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		<title>Compilando o Kernel</title>
		<link>http://luizcarlostomaz.wordpress.com/2010/02/17/compilando-o-kernel/</link>
		<comments>http://luizcarlostomaz.wordpress.com/2010/02/17/compilando-o-kernel/#comments</comments>
		<pubDate>Wed, 17 Feb 2010 00:00:37 +0000</pubDate>
		<dc:creator>luizcarlostomaz</dc:creator>
				<category><![CDATA[linux]]></category>

		<guid isPermaLink="false">http://luizcarlostomaz.wordpress.com/?p=64</guid>
		<description><![CDATA[Estou meio ocioso e decidi ser um pouco útil escrevendo um tutorial sobre compilação do Kernel, estou presumindo que pelo menos o gerenciador de pacotes (apt-get ou yum) está configurado, atualizado e funcionando corretamente. Vou demonstrar como fazer no CentOS e no Debian. 1.0  – Instalando o necessário. Vamos começar instalando os pacotes para compilar [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=luizcarlostomaz.wordpress.com&amp;blog=4776761&amp;post=64&amp;subd=luizcarlostomaz&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Estou meio ocioso e decidi ser um pouco útil escrevendo um tutorial sobre compilação do Kernel, estou presumindo que pelo menos o gerenciador de pacotes (apt-get ou yum) está configurado, atualizado e funcionando corretamente.</p>
<p>Vou demonstrar como fazer no CentOS e no Debian.</p>
<p><span style="color:#ff9900;">1.0  – Instalando o necessário.</span></p>
<p>Vamos começar instalando os pacotes para compilar o Kernel, estou baixando a maioria dos pacotes necessários para compilar o Kernel com o “make menuconfig” e se faltar algum o Linux  vai te avisar, claro que depende muito da instalação que você fez (eu precisei baixar até o bzip2).</p>
<p>No CentOS:</p>
<p>[~]#yum install gcc make ncurses ncurses-devel flex cpp binutils bzip2</p>
<p>No Debian:</p>
<p>[~]#apt-get install gcc ncurses-base libncurses5 libncurses5-dev flex cpp binutils bzip2</p>
<p><span style="color:#ff9900;"> 1.1 – Baixando e descompactando a imagem do Kernel mais recente.</span></p>
<p>Baixe a imagem mais recente do Kernel de www.kernel.org, até quando eu escrevi este artigo era a 2.6.32.8:</p>
<p>No CentOS e Debian:</p>
<p>[~]#wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.32.8.tar.bz2</p>
<p>Agora descompacte:</p>
<p>No CentOS e Debian:</p>
<p>[~]#tar –jxvf linux-2.6.32.8.tar.bz2 -C /usr/src/</p>
<p>[~]#cd /usr/src/linux-2.6.32.8</p>
<p><span style="color:#ff9900;">1.2 – Compilando o Kernel:</span></p>
<p>Como descrevi no inicio da documentação, o objetivo é usar o make menuconfig para setar as configurações do Kernel, este passo eu não vou cobrir porque é muito abrangente.</p>
<p>Neste ponto você precisa conhecer seu hardware, de uma olhada no /proc/cpuinfo e no comando lspci.</p>
<p>Se você está aprendendo, está é uma daquelas partes que requerem paciência e persistência, você vai quebrar a cara varias vezes mas uma hora vai ficar bom nisso.</p>
<p>Depois de tudo configurado vamos compilar o Kernel e os módulos:</p>
<p>[/usr/src/linux-2.6.32.8]#make clean dep bzImage modules install modules_install</p>
<p><span style="color:#ff9900;">1.3 – Copiando arquivos para /boot</span></p>
<p>Agora copie os arquivos dentro de arch/i386/boot para /boot:</p>
<p>No CentOS e Debian:</p>
<p>[/usr/src/linux-2.6.32.8]#cp arch/i386/boot/bzImage /boot/vmlinuz-2.6.32.8</p>
<p>[/usr/src/linux-2.6.32.8]#cp System.map /boot/System.map-2.6.32.8</p>
<p><span style="color:#ff9900;">1.4 – Criando o /boot/initrd-2.6.32.8</span></p>
<p>Crie o arquivo initrd para o seu Kernel:</p>
<p>No CentOS:</p>
<p>[/usr/src/linux-2.6.32.8]#mkinitrd –v /boot/initrd-2.6.32.8 2.6.32.8</p>
<p>No Debian:</p>
<p>[/usr/src/linux-2.6.32.8]#mkinitramfs –o /boot/initrd-3.6.32.8 /lib/modules/2.6.32.8</p>
<p><span style="color:#ff9900;">1.5 – Configurando o GRUB</span></p>
<p>Edite o arquivo /boot/grub/menu.lst e adicione:</p>
<p>Title Linux 2.3.32.8</p>
<p>root (hd0,0)</p>
<p>kernel /vmlinuz-2.6.32.8 root=/dev/hda3</p>
<p>initrd /initrd-2.6.32.8</p>
<p>Preste atenção nos discos e partições, você deve alterar o exemplo para a sua configuração.</p>
<p><span style="color:#ff9900;">1.6 – Configurando o Lilo</span></p>
<p>Edite o arquivo /etc/lilo.conf e adicione:</p>
<p>Image=/boot/vmlinuz-2.6.32.8</p>
<p>Label= Linux 2.3.32.8</p>
<p>Initrd=/boot/initrd-2.6.32.8</p>
<p>Salve e saia, não esqueça de efetivar a alteração:</p>
<p>[~]#lilo</p>
<p>EOF</p>
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		<title>Nagios com SNMP</title>
		<link>http://luizcarlostomaz.wordpress.com/2008/11/19/nagios-com-snmp-e-pnp4nagios/</link>
		<comments>http://luizcarlostomaz.wordpress.com/2008/11/19/nagios-com-snmp-e-pnp4nagios/#comments</comments>
		<pubDate>Wed, 19 Nov 2008 14:00:39 +0000</pubDate>
		<dc:creator>luizcarlostomaz</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[network]]></category>

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		<description><![CDATA[Este artigo presume que você já tenha um Linux instalado e configurado, estou usando o CentOS 5.1 mas não é difícil adaptar este artigo para outras distros. O artigo não vai cobrir aspectos da configuração do Nagios, se você quer começar a entender o Nagios é bom dar uma olhada na documentação disponibilizada em http://nagios.sourceforge.net/docs/3_0/toc.html. [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=luizcarlostomaz.wordpress.com&amp;blog=4776761&amp;post=60&amp;subd=luizcarlostomaz&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><!--[if gte mso 9]&gt;  Normal 0   21   false false false  PT-BR X-NONE X-NONE              MicrosoftInternetExplorer4              &lt;![endif]--><!--[if gte mso 9]&gt;                                                                                                                                            &lt;![endif]--><!--  /* Font Definitions */  @font-face 	{font-family:"Cambria Math"; 	panose-1:2 4 5 3 5 4 6 3 2 4; 	mso-font-charset:0; 	mso-generic-font-family:roman; 	mso-font-pitch:variable; 	mso-font-signature:-1610611985 1107304683 0 0 159 0;} @font-face 	{font-family:Calibri; 	panose-1:2 15 5 2 2 2 4 3 2 4; 	mso-font-charset:0; 	mso-generic-font-family:swiss; 	mso-font-pitch:variable; 	mso-font-signature:-1610611985 1073750139 0 0 159 0;}  /* Style Definitions */  p.MsoNormal, li.MsoNormal, div.MsoNormal 	{mso-style-unhide:no; 	mso-style-qformat:yes; 	mso-style-parent:""; 	margin-top:0cm; 	margin-right:0cm; 	margin-bottom:10.0pt; 	margin-left:0cm; 	line-height:115%; 	mso-pagination:widow-orphan; 	font-size:11.0pt; 	font-family:"Calibri","sans-serif"; 	mso-fareast-font-family:Calibri; 	mso-bidi-font-family:"Times New Roman"; 	mso-fareast-language:EN-US;} a:link, span.MsoHyperlink 	{mso-style-priority:99; 	color:blue; 	text-decoration:underline; 	text-underline:single;} a:visited, span.MsoHyperlinkFollowed 	{mso-style-noshow:yes; 	mso-style-priority:99; 	color:purple; 	mso-themecolor:followedhyperlink; 	text-decoration:underline; 	text-underline:single;} p.MsoNoSpacing, li.MsoNoSpacing, div.MsoNoSpacing 	{mso-style-priority:1; 	mso-style-unhide:no; 	mso-style-qformat:yes; 	mso-style-parent:""; 	margin:0cm; 	margin-bottom:.0001pt; 	mso-pagination:widow-orphan; 	font-size:11.0pt; 	font-family:"Calibri","sans-serif"; 	mso-fareast-font-family:Calibri; 	mso-bidi-font-family:"Times New Roman"; 	mso-fareast-language:EN-US;} .MsoChpDefault 	{mso-style-type:export-only; 	mso-default-props:yes; 	font-size:10.0pt; 	mso-ansi-font-size:10.0pt; 	mso-bidi-font-size:10.0pt; 	mso-ascii-font-family:Calibri; 	mso-fareast-font-family:Calibri; 	mso-hansi-font-family:Calibri;} @page Section1 	{size:612.0pt 792.0pt; 	margin:70.85pt 3.0cm 70.85pt 3.0cm; 	mso-header-margin:36.0pt; 	mso-footer-margin:36.0pt; 	mso-paper-source:0;} div.Section1 	{page:Section1;} --><!--[if gte mso 10]&gt; &lt;!   /* Style Definitions */  table.MsoNormalTable 	{mso-style-name:"Tabela normal"; 	mso-tstyle-rowband-size:0; 	mso-tstyle-colband-size:0; 	mso-style-noshow:yes; 	mso-style-priority:99; 	mso-style-qformat:yes; 	mso-style-parent:""; 	mso-padding-alt:0cm 5.4pt 0cm 5.4pt; 	mso-para-margin:0cm; 	mso-para-margin-bottom:.0001pt; 	mso-pagination:widow-orphan; 	font-size:11.0pt; 	font-family:"Calibri","sans-serif"; 	mso-ascii-font-family:Calibri; 	mso-ascii-theme-font:minor-latin; 	mso-fareast-font-family:"Times New Roman"; 	mso-fareast-theme-font:minor-fareast; 	mso-hansi-font-family:Calibri; 	mso-hansi-theme-font:minor-latin; 	mso-bidi-font-family:"Times New Roman"; 	mso-bidi-theme-font:minor-bidi;} --> <!--[endif]--></p>
<p class="MsoNoSpacing">Este artigo presume que você já tenha um Linux instalado e configurado, estou usando o CentOS 5.1 mas não é difícil adaptar este artigo para outras distros.</p>
<p class="MsoNoSpacing">O artigo não vai cobrir aspectos da configuração do Nagios, se você quer começar a entender o Nagios é bom dar uma olhada na documentação disponibilizada em <a href="http://nagios.sourceforge.net/docs/3_0/toc.html">http://nagios.sourceforge.net/docs/3_0/toc.html</a>. De resto, o objetivo é ser uma referência para quem está procurando configurar o Nagios com SNMP e gerar gráficos pelo projeto pnp4nagios.</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing">Vou começar fazendo o download dos componentes, no meu caso eu criei uma pasta chamada Nagios para trabalhar:</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing"># cd ~</p>
<p class="MsoNoSpacing"># mkdir nagios</p>
<p class="MsoNoSpacing"># cd nagios</p>
<p class="MsoNoSpacing"><span lang="EN-US"># wget http://ufpr.dl.sourceforge.net/sourceforge/nagios/nagios-3.0.5.tar.gz</span></p>
<p class="MsoNoSpacing"><span lang="EN-US"># wget http://ufpr.dl.sourceforge.net/sourceforge/nagiosplug/nagios-plugins-1.4.13.tar.gz</span></p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing">Descompacte todos os sources em /usr/src / :</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing"># tar -zxvf nagios-3.0.5.tar.gz -C /usr/src/</p>
<p class="MsoNoSpacing"># tar -zxvf nagios-plugins-1.4.13.tar.gz -C /usr/src/</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing">Instale os pacotes necessários para o Nagios:</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing"><span lang="EN-US"># yum install httpd gcc glibc glibc-common gd gd-devel</span></p>
<p class="MsoNoSpacing"><span lang="EN-US"> </span></p>
<p class="MsoNoSpacing">Crie o usuário e grupo para o Nagios:</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing"># /usr/sbin/useradd -m nagios</p>
<p class="MsoNoSpacing"># passwd nagios</p>
<p class="MsoNoSpacing"># /usr/sbin/groupadd nagcmd</p>
<p class="MsoNoSpacing"># /usr/sbin/usermod -a -G nagcmd nagios</p>
<p class="MsoNoSpacing"><span lang="EN-US"># /usr/sbin/usermod -a -G nagcmd apache</span></p>
<p class="MsoNoSpacing"><span lang="EN-US"> </span></p>
<p class="MsoNoSpacing">Vamos manter todos os arquivos do nagios dentro de /usr/local/nagios, isso facilita a administração e backup, vamos à compilação:</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing"># cd /usr/src/nagios-3.0.5/</p>
<p class="MsoNoSpacing"><span lang="EN-US"># ./configure &#8211;with-nagios-user=nagios &#8211;with-nagios-group=nagios &#8211;with-command-group=nagcmd</span></p>
<p class="MsoNoSpacing"><span lang="EN-US"># make all &amp;&amp; make install &amp;&amp; make install-init &amp;&amp; make install-config &amp;&amp; make install-commandmode &amp;&amp; make install-webconf</span></p>
<p class="MsoNoSpacing"><span lang="EN-US"> </span></p>
<p class="MsoNoSpacing">Compile os plugins:</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing"># cd ../nagios-plugins-1.4.13</p>
<p class="MsoNoSpacing"><span lang="EN-US"># ./configure &#8211;with-nagios-user=nagios &#8211;with-nagios-group=nagios</span></p>
<p class="MsoNoSpacing"><span lang="EN-US"># make &amp;&amp; make install</span></p>
<p class="MsoNoSpacing"><span lang="EN-US"> </span></p>
<p class="MsoNoSpacing">Crie o usuário e senha para acessar a interface web do nagios:</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing"># htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin</p>
<p class="MsoNoSpacing"># service httpd restart</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing">Configure o script de inicialização do Nagios:</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing"># chkconfig &#8211;add nagios</p>
<p class="MsoNoSpacing"># chkconfig nagios on</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing">Teste se a configuração está correta e inicialize o Nagios:</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing"># /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg</p>
<p class="MsoNoSpacing"># service nagios start</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing">Agora o Nagios deve estar acessível pelo navegador:</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing">http://ip-do-servidor/nagios/</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing">Vamos baixar e descompactar os plugins SNMP para o Nagios:</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing"><span lang="EN-US"># wget http://nagios.manubulon.com/nagios-snmp-plugins.1.1.1.tgz</span></p>
<p class="MsoNoSpacing"># tar -zxvf nagios-snmp-plugins.1.1.1.tgz -C /usr/src/</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing">Instale o plugin Net::SNMP para Perl, faremos isto através do cpan:</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing"><span lang="EN-US"># perl -MCPAN -e shell</span></p>
<p class="MsoNoSpacing"><span lang="EN-US">cpan&gt; install Net::SNMP</span></p>
<p class="MsoNoSpacing"><span lang="EN-US"> </span></p>
<p class="MsoNoSpacing"><span lang="EN-US">Agora instalamos os plugins:</span></p>
<p class="MsoNoSpacing"><span lang="EN-US"> </span></p>
<p class="MsoNoSpacing"># cd /usr/src/nagios_plugins/</p>
<p class="MsoNoSpacing"># ./install.sh<span> </span>(Aqui ele faz algumas perguntas, normalmente o padrão atende)</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing">Vamos alterar o resource.cfg, ele guarda as variáveis que são utilizadas pelo Nagios nas definições de comando. Normalmente, ele vem somente com a variável $USER1$ setada como /usr/local/nagios/libexec.</p>
<p class="MsoNoSpacing">Vamos incluir as seguintes variáveis no fim do arquivo:</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing"><em>$USER7$=-C public</em></p>
<p class="MsoNoSpacing"><em>$USER8$=public</em></p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing">Substitua public pela sua comunidade snmp</p>
<p class="MsoNoSpacing">
<p><span style="font-size:11pt;line-height:115%;font-family:&quot;">É preciso incluir os comandos abaixo no commands.cfg.</span></p>
<p><span style="font-size:11pt;line-height:115%;font-family:&quot;">&#8211;</span></p>
<p><em><span lang="EN-US">define command{</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_name check_snmp_load_v1</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_line $USER1$/check_snmp_load.pl -H $HOSTADDRESS$ $USER7$ -T $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define command{</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_name check_snmp_int_v1</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_line $USER1$/check_snmp_int.pl -H $HOSTADDRESS$ $USER7$ -n $ARG1$ $ARG2$</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define command{</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span><span> </span>command_name check_snmp_mem_v1</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_line $USER1$/check_snmp_mem.pl -H $HOSTADDRESS$ $USER7$ $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define command{</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_name check_snmp_storage_v1</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_line $USER1$/check_snmp_storage.pl -H $HOSTADDRESS$ $USER7$ -m $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define command{</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_name check_snmp_hpux_storage_v1</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_line $USER1$/check_snmp_hpux_storage.pl -H $HOSTADDRESS$ $USER7$ -m $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define command{</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_name check_snmp_hpux_mem_v1</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_line $USER1$/check_snmp_hpux_mem.sh $USER8$ $HOSTADDRESS$ $ARG1$ $ARG2$ $ARG3$ $ARG4$</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define command{</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_name check_snmp_v1</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_line $USER1$/check_snmp -H $HOSTADDRESS$ $USER7$ -o $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define command{</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_name check_snmp_process_v1</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_line $USER1$/check_snmp_process.pl -H $HOSTADDRESS$ $USER7$ -n $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define command{</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_name check_win</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>command_line $USER1$/check_snmp_win.pl -H $HOSTADDRESS$ $USER7$ -n $ARG1$ $ARG2$</span></em></p>
<p><em><span style="font-size:11pt;line-height:115%;font-family:&quot;" lang="EN-US"><span> </span></span><span style="font-size:11pt;line-height:115%;font-family:&quot;">}</span></em></p>
<p><span style="font-size:11pt;line-height:115%;font-family:&quot;">&#8211;</span></p>
<p class="MsoNoSpacing"><!--[if gte mso 9]&gt;  Normal 0   21   false false false  PT-BR X-NONE X-NONE              MicrosoftInternetExplorer4              &lt;![endif]--><!--[if gte mso 9]&gt;                                                                                                                                            &lt;![endif]--> Não vou dar muitos detalhes dos arquivos de configuração para maquinas Linux e Windows, vou postar aqui só um exemplo para cada um, os detalhes dos comandos você acha em: http://nagios.manubulon.com/</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing">Exemplo para Windows</p>
<p class="MsoNoSpacing">&#8211;</p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define host{</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>use<span> </span>Windows-Servers</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>host_name<span> </span>win01</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>alias<span> </span>win01</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span><span> </span>address<span> </span>171.16.0.5</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define service {</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>use<span> </span>generic-service</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>host_name<span> </span>win01</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>service_description<span> </span>L_DISK_USAGE_C:</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>check_command<span> </span>check_snmp_storage_v1!&#8221;^C:&#8221;!55!99!-f</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define service {</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>use<span> </span><span> </span>generic-service</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>host_name<span> </span>win01</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>service_description<span> </span>L_DISK_USAGE_D:</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>check_command<span> </span>check_snmp_storage_v1!&#8221;^D:&#8221;!55!99!-f</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define service {</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>use<span> </span>generic-service</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>host_name<span> </span><span> </span>win01</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>service_description<span> </span>L_CPU_LOAD</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>check_command<span> </span>check_snmp_load_v1!stand!80!90</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define service {</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>use<span> </span>generic-service</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>host_name<span> </span>win01</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>service_description<span> </span>L_MEMORY_LOAD</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>check_command<span> </span>check_snmp_storage_v1!&#8221;Virtual Memory&#8221;!80!90!-rf</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define service{</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>use<span> </span>generic-service</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>host_name<span> </span>win01</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>service_description<span> </span>N_HTTP</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>check_command<span> </span>check_tcp!80!</span></em></p>
<p><em><span style="font-size:11pt;line-height:115%;font-family:&quot;" lang="EN-US"><span> </span></span><span style="font-size:11pt;line-height:115%;font-family:&quot;">}</span></em></p>
<p class="MsoNoSpacing">&#8211;</p>
<p class="MsoNoSpacing"><span style="font-size:11pt;line-height:115%;font-family:&quot;">Exemplo para Linux</span></p>
<p class="MsoNoSpacing">&#8211;</p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define host{</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>use<span> </span>Linux-Servers</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span><span> </span>host_name<span> </span>lin01</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>alias<span> </span><span> </span>lin01</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>address<span> </span>172.16.0.18</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define service {</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>use<span> </span>generic-service</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>host_name<span> </span>lin01</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>service_description<span> </span>L_DISK_USAGE_/</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>check_command<span> </span>check_snmp_storage_v1!/!95!99!-r </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define service {</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>use<span> </span>generic-service</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>host_name<span> </span>lin01</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>service_description<span> </span>L_CPU_LOAD</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span><span> </span>check_command<span> </span>check_snmp_load_v1!netsc!90!95</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define service {</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>use<span> </span>generic-service</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>host_name<span> </span>lin01</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>service_description<span> </span>L_MEMORY_LOAD</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>check_command<span> </span>check_snmp_mem_v1!-N -w!90,20!95,30</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define service{</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>use<span> </span>generic-service</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>host_name<span> </span>lin01</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>service_description<span> </span>N_HTTP</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>check_command<span> </span>check_tcp!80!</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define service{</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>use<span> </span>generic-service</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>host_name<span> </span>lin01</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>service_description<span> </span>N_SAMBA_DS</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>check_command<span> </span>check_tcp!445!</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>}</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"> </span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US">define service{</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>use<span> </span>generic-service</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span><span> </span>host_name<span> </span>lin01</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>service_description<span> </span>N_SAMBA_NETBIOS</span></em></p>
<p class="MsoNoSpacing"><em><span lang="EN-US"><span> </span>check_command<span> </span>check_tcp!139!</span></em></p>
<p><em><span style="font-size:11pt;line-height:115%;font-family:&quot;" lang="EN-US"><span> </span></span><span style="font-size:11pt;line-height:115%;font-family:&quot;">}</span></em></p>
<p class="MsoNoSpacing">&#8211;</p>
<p class="MsoNoSpacing">Não esqueça que as entradas acima são só exemplos! Leia a documentação em <a href="http://nagios.manubulon.com/">http://nagios.manubulon.com/</a> pra entender o que você vai fazer.</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing">Isso conclui a parte de configurar o nagios e os plugins, eu já postei como configurar o SNMP no XP (<a href="../2008/09/09/snmp-no-windows-xp/">http://luizcarlostomaz.wordpress.com/2008/09/09/snmp-no-windows-xp/</a>) e vou postar como configurar no Linux.</p>
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			<media:title type="html">luizcarlostomaz</media:title>
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		<title>FreeNAS</title>
		<link>http://luizcarlostomaz.wordpress.com/2008/09/23/freenas/</link>
		<comments>http://luizcarlostomaz.wordpress.com/2008/09/23/freenas/#comments</comments>
		<pubDate>Tue, 23 Sep 2008 18:07:53 +0000</pubDate>
		<dc:creator>luizcarlostomaz</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[network]]></category>
		<category><![CDATA[Storage]]></category>

		<guid isPermaLink="false">http://luizcarlostomaz.wordpress.com/?p=55</guid>
		<description><![CDATA[O FreeNAS é um servidor NAS (Network-Attached Storage) free com suporte a FTP, NFS, AFP, RSYNC, Protocolos iSCI e CIFS (Samba). Suporta RAID 0,1,5 (software) e tem uma interface de configuração WEB muito abrangente (pode-se configurar todos os recursos da solução pela interface WEB). A Instalação mínima com interface Web, scripts PHP é baseada no [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=luizcarlostomaz.wordpress.com&amp;blog=4776761&amp;post=55&amp;subd=luizcarlostomaz&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p class="MsoNoSpacing" style="text-align:left;"><a href="http://luizcarlostomaz.files.wordpress.com/2008/09/logo_freenas.gif"><img class="size-full wp-image-56 alignleft" title="logo_freenas" src="http://luizcarlostomaz.files.wordpress.com/2008/09/logo_freenas.gif?w=150&#038;h=131" alt="" width="150" height="131" /></a>O FreeNAS é um servidor NAS (Network-Attached Storage) free com suporte a FTP, NFS, AFP, RSYNC, Protocolos iSCI e CIFS (Samba). Suporta RAID 0,1,5 (software) e tem uma interface de configuração WEB muito abrangente (pode-se configurar todos os recursos da solução pela interface WEB).</p>
<p class="MsoNoSpacing">A Instalação mínima com interface Web, scripts PHP é baseada no M0n0wall e ocupa 32 MB depois de instalado. pode ser baixado em <a href="http://www.freenas.org">www.freenas.org</a></p>
<p class="MsoNoSpacing"><span style="color:#ff9900;">Instalando</span></p>
<p class="MsoNoSpacing">Inicie a maquina com o CD do FreeNAS</p>
<p class="MsoNoSpacing">Depois de iniciado o FreeNAS, escolha a opção 9 (Install/Upgrade to na hard drive/flash device, etc.)</p>
<p class="MsoNoSpacing">No menu de instalação, escolha a opção que se adequa ao que você quer fazer, no meu caso é a opção 3 (Install ´full´ OS on HDD + data partition)</p>
<p class="MsoNoSpacing">Depois de terminada a instalação, reinicie sem a mídia do FreeNAS.</p>
<p class="MsoNoSpacing">A console do FreeNAS sempre vai ficar com uma imagem do daemon, se você teclar qualquer coisa, vai aparecer um menu em Shell onde você pode configurar a rede, interface WEB, desligar, reiniciar ou até abrir uma Shell válida no servidor.</p>
<p class="MsoNoSpacing">Vamos começar configurando um IP no servidor, entre com a opção 2 (Set LAN IP address) ele vai perguntar se deve buscar a configuração em um servidor DHCP, caso você queira inserir a configuração manualmente, tecle “No”</p>
<p class="MsoNoSpacing">Ele vai pedir um IP, a mascara o gateway e o DNS, depois vai perguntar se deve configurar o IPv6 automaticamente e volta ao menu inicial.</p>
<pre class="MsoNormal" style="text-align:center;"><a href="http://luizcarlostomaz.files.wordpress.com/2008/09/tela-freenas.jpg"><img class="size-medium wp-image-57 aligncenter" title="tela-freenas" src="http://luizcarlostomaz.files.wordpress.com/2008/09/tela-freenas.jpg?w=547&#038;h=300" alt="" width="547" height="300" /></a></pre>
<p class="MsoNoSpacing">Agora é possível acessar o FreeNAS webGUI.</p>
<p class="MsoNoSpacing">Abra o endereço HTTP://ip-do-freenas e entre com o login “admin” e a senha “freenas”.</p>
<p>Vou postando minhas experiências com o FreeNAS, por hora é só.</p>
<p style="text-align:left;"><!--[if gte mso 9]&gt;  Normal 0   21   false false false  PT-BR X-NONE X-NONE              MicrosoftInternetExplorer4              &lt;![endif]--><!--[if gte mso 9]&gt;                                                                                                                                            &lt;![endif]--> <!--[if gte mso 10]&gt; &lt;!   /* Style Definitions */  table.MsoNormalTable 	{mso-style-name:"Tabela normal"; 	mso-tstyle-rowband-size:0; 	mso-tstyle-colband-size:0; 	mso-style-noshow:yes; 	mso-style-priority:99; 	mso-style-qformat:yes; 	mso-style-parent:""; 	mso-padding-alt:0cm 5.4pt 0cm 5.4pt; 	mso-para-margin-top:0cm; 	mso-para-margin-right:0cm; 	mso-para-margin-bottom:10.0pt; 	mso-para-margin-left:0cm; 	line-height:115%; 	mso-pagination:widow-orphan; 	font-size:11.0pt; 	font-family:"Calibri","sans-serif"; 	mso-ascii-font-family:Calibri; 	mso-ascii-theme-font:minor-latin; 	mso-fareast-font-family:"Times New Roman"; 	mso-fareast-theme-font:minor-fareast; 	mso-hansi-font-family:Calibri; 	mso-hansi-theme-font:minor-latin;} --> <!--[endif]--></p>
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		<title>A ilusão é o combustível dos perdedores</title>
		<link>http://luizcarlostomaz.wordpress.com/2008/09/16/a-ilusao-e-o-combustivel-dos-perdedores/</link>
		<comments>http://luizcarlostomaz.wordpress.com/2008/09/16/a-ilusao-e-o-combustivel-dos-perdedores/#comments</comments>
		<pubDate>Tue, 16 Sep 2008 20:10:04 +0000</pubDate>
		<dc:creator>luizcarlostomaz</dc:creator>
				<category><![CDATA[mind]]></category>

		<guid isPermaLink="false">http://luizcarlostomaz.wordpress.com/?p=51</guid>
		<description><![CDATA[Não conheço ninguém que conseguiu realizar seu sonho, sem sacrificar feriados e domingos pelo menos uma centena de vezes. Da mesma forma, se você quiser construir uma relação amiga com seus filhos, terá que se dedicar a isso, superar o cansaço, arrumar tempo para  ficar om eles, deixar de lado o orgulho e o comodismo. [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=luizcarlostomaz.wordpress.com&amp;blog=4776761&amp;post=51&amp;subd=luizcarlostomaz&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><a href="http://luizcarlostomaz.files.wordpress.com/2008/09/roberto.jpg"><img class="alignleft size-full wp-image-52" title="roberto" src="http://luizcarlostomaz.files.wordpress.com/2008/09/roberto.jpg?w=167&#038;h=168" alt="" width="167" height="168" /></a><span style="font-family:Arial;font-size:x-small;">Não conheço ninguém que conseguiu realizar seu  sonho, sem sacrificar feriados e domingos pelo menos uma centena de vezes.<br />
Da  mesma forma, se você quiser construir uma relação amiga com seus filhos, terá  que se dedicar a isso, superar o cansaço, arrumar tempo para  ficar om  eles, deixar de lado o orgulho e o comodismo.<br />
Se quiser um casamento  gratificante, terá que investir tempo, energia e  sentimentos nesse  objetivo.<br />
O sucesso é construído à noite!<br />
Durante o dia você faz o que  todos fazem.<br />
Mas, para obter um resultado diferente da maioria, você tem que  ser  especial.<br />
Se fizer igual a todo mundo, obterá os mesmos  resultados.<br />
Não se compare à maioria, pois infelizmente ela não é modelo de  sucesso.<br />
Se você quiser atingir uma meta especial, terá que estudar no  horario em  que os outros estão tomando chopp com batatas fritas.<br />
Terá  de planejar, enquanto os outros permanecem à frente da televisão.<br />
Terá de  trabalhar enquanto os outros tomam sol à beira da piscina.<br />
A realização de um  sonho depende de dedicação.<br />
Há muita gente que espera que o sonho se realize  por mágica, mas toda  mágica é ilusão e a ilusão não tira ninguém de onde  está.<br />
Em verdade, a ilusão é combustível dos perdedores pois&#8230;  &#8216;Quem  quer fazer alguma coisa, encontra um meio.  Quem não quer fazer nada,  encontra uma desculpa.&#8217;</span></p>
<p style="text-align:right;"><span style="font-family:Arial;font-size:x-small;">(Roberto Shinyashik)</span></p>
<p style="text-align:left;">
<p style="text-align:left;">O cara sabe o que tá falando não?</p>
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		<title>Plugins SNMP no Nagios</title>
		<link>http://luizcarlostomaz.wordpress.com/2008/09/12/plugins-snmp-no-nagios/</link>
		<comments>http://luizcarlostomaz.wordpress.com/2008/09/12/plugins-snmp-no-nagios/#comments</comments>
		<pubDate>Fri, 12 Sep 2008 12:13:37 +0000</pubDate>
		<dc:creator>luizcarlostomaz</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[network]]></category>

		<guid isPermaLink="false">http://luizcarlostomaz.wordpress.com/?p=47</guid>
		<description><![CDATA[Algumas coisas facilitam muito a vida de um SysAdmin, shell script e SNMP são duas delas com certeza! Normalmente eu uso o Nagios ou o Groundwork monitorando minhas redes, mas instalar plugins do Nagios nos servidores é um muito chato a gasta tempo demais (instalação, manutenção, etc.) sempre que posso faço as coisas com SNMP, [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=luizcarlostomaz.wordpress.com&amp;blog=4776761&amp;post=47&amp;subd=luizcarlostomaz&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><a href="http://luizcarlostomaz.files.wordpress.com/2008/09/sysadmin.jpeg"><img class="alignleft size-full wp-image-48" title="sysadmin" src="http://luizcarlostomaz.files.wordpress.com/2008/09/sysadmin.jpeg?w=86&#038;h=114" alt="" width="86" height="114" /></a></p>
<p class="MsoNoSpacing"><!--[if gte mso 9]&gt;  Normal 0   21   false false false  PT-BR X-NONE X-NONE              MicrosoftInternetExplorer4              &lt;![endif]--><!--[if gte mso 9]&gt;                                                                                                                                            &lt;![endif]-->Algumas coisas facilitam muito a vida de um SysAdmin, shell script e SNMP são duas delas com certeza! Normalmente eu uso o Nagios ou o Groundwork monitorando minhas redes, mas instalar plugins do Nagios nos servidores é um muito chato a gasta tempo demais (instalação, manutenção, etc.) sempre que posso faço as coisas com SNMP, mais simples e funcional.</p>
<p class="MsoNoSpacing">A dica vai para uma pequena coleção de plugins do Nagios para monitoramento com SNMP.</p>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing" style="text-align:center;"><a title="http://nagios.manubulon.com/" href="http://nagios.manubulon.com/" target="_blank">http://nagios.manubulon.com/</a></p>
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		<title>VMware ESXi</title>
		<link>http://luizcarlostomaz.wordpress.com/2008/09/11/vmware-esxi/</link>
		<comments>http://luizcarlostomaz.wordpress.com/2008/09/11/vmware-esxi/#comments</comments>
		<pubDate>Thu, 11 Sep 2008 14:21:20 +0000</pubDate>
		<dc:creator>luizcarlostomaz</dc:creator>
				<category><![CDATA[Virtualização]]></category>

		<guid isPermaLink="false">http://luizcarlostomaz.wordpress.com/?p=33</guid>
		<description><![CDATA[A VMware disponibilizou o ESXi, uma solução de virtualização mais robusta que o VMware Server que também é free. A versão de avaliação (se você não colocar a serial da licença free) vem com o VMware Consolidate Backup ativo, você perde este add-on quando ativa a licença free. Você pode instalar e testar várias soluções [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=luizcarlostomaz.wordpress.com&amp;blog=4776761&amp;post=33&amp;subd=luizcarlostomaz&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p class="MsoNoSpacing"><!--[if gte mso 9]&gt;  Normal 0   21   false false false  PT-BR X-NONE X-NONE              MicrosoftInternetExplorer4              &lt;![endif]--><!--[if gte mso 9]&gt;                                                                                                                                            &lt;![endif]--> <a href="http://luizcarlostomaz.files.wordpress.com/2008/09/products_esx_diagram.gif"><img class="alignleft size-thumbnail wp-image-37" title="products_esx_diagram" src="http://luizcarlostomaz.files.wordpress.com/2008/09/products_esx_diagram.gif?w=161&#038;h=130" alt="" width="161" height="130" /></a> A VMware disponibilizou o ESXi, uma solução de virtualização mais robusta que o <em>VMware Server</em> que também é free.</p>
<p class="MsoNoSpacing">A versão de avaliação (se você não colocar a serial da licença free) vem com o <em>VMware Consolidate Backup</em> ativo, você perde este add-on quando ativa a licença free. Você pode instalar e testar várias soluções da VMware como o <em>VMware VMotion</em>, <em>Hight Availability</em>, <em>Distributed Resources Scheduler</em> e o <em>Virtual Infrastructure</em>.</p>
<p class="MsoNoSpacing">O ESXi vem com suporte para uso de NAS, SAN e iSCSI além de suportar a alocação de recursos (muito mais abrangente que o VMware Server)como Memória, Processador, disco, etc.</p>
<p class="MsoNoSpacing">Outro ponto forte são os relatórios de uso de recursos dos equipamentos e diversos outros recursos que não se via em uma solução free da VMware.</p>
<p class="MsoNoSpacing">Quanto a redes, tem um recurso muito legal de suporte para VLANs onde você pode configurar a porta do seu servidor VMware como hibrida e suas maquinas virtuais serão capazes de conectar a todas as VLANs (claro que você que configura isso).</p>
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		<title>Monitoramento de redes ninja com Groundwork &#8211; 1 de X</title>
		<link>http://luizcarlostomaz.wordpress.com/2008/09/11/monitoramento-de-redes-ninja-com-groundwork/</link>
		<comments>http://luizcarlostomaz.wordpress.com/2008/09/11/monitoramento-de-redes-ninja-com-groundwork/#comments</comments>
		<pubDate>Thu, 11 Sep 2008 13:10:37 +0000</pubDate>
		<dc:creator>luizcarlostomaz</dc:creator>
				<category><![CDATA[linux]]></category>
		<category><![CDATA[network]]></category>

		<guid isPermaLink="false">http://luizcarlostomaz.wordpress.com/?p=25</guid>
		<description><![CDATA[1.0 – Introdução Este artigo descreve a instalação do Groundwork, um sistema de monitoramento baseado no Nagios com diversos recursos como histórico de desempenho das maquinas, graficos de uso, entre outros. Existem diversas versões pagas do Groundwork, mas vamos trabalhar com a versão “Community” que não tem qualquer tipo de custo e é “suportada” pela [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=luizcarlostomaz.wordpress.com&amp;blog=4776761&amp;post=25&amp;subd=luizcarlostomaz&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<h2 class="MsoNoSpacing"><span style="color:#ff9900;"><strong><span style="font-family:&quot;"><span>1.0<span style="font-family:&quot;"> </span></span></span></strong></span><!--[endif]--><span style="font-family:&quot;"><strong>– Introdução</strong></span></h2>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Este artigo descreve a instalação do Groundwork, um sistema de monitoramento baseado no Nagios com diversos recursos como histórico de desempenho das maquinas, graficos de uso, entre outros.</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Existem diversas versões pagas do Groundwork, mas vamos trabalhar com a versão “Community” que não tem qualquer tipo de custo e é “suportada” pela comunidade na web. </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Mais informações sobre o Groundwork em www.groundworkopensource.com.</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<h2 class="MsoNoSpacing" style="margin-left:18pt;text-indent:-18pt;"><!--[if !supportLists]--><span style="color:#ff9900;"><strong><span style="font-family:&quot;"><span>1.1<span style="font-family:&quot;"> </span></span></span></strong></span><!--[endif]--><span style="font-family:&quot;"><strong>- Laboratório</strong></span></h2>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">A maquina usada para criar este documento é um CentOS 5 em uma maquina Intel x86 32-bit.</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<h2 class="MsoNoSpacing" style="margin-left:18pt;text-indent:-18pt;"><!--[if !supportLists]--><span style="color:#ff9900;"><strong><span style="font-family:&quot;"><span>1.2<span style="font-family:&quot;"> </span></span></span></strong></span><!--[endif]--><span style="font-family:&quot;"><strong>- Requisitos mínimos</strong></span></h2>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">No site do projeto, os requisitos mínimos são descritos como:</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<h2 class="MsoNoSpacing"><span style="font-family:&quot;"><strong><span style="color:#ff9900;">1.2.0</span> &#8211; Requisitos de hardware</strong></span></h2>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing"><span style="font-family:&quot;">- Intel x86 32/64-bit ou AMD x86 32/64-bit.</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">- 4GB RAM ou mais.</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">- 2 CPU 3GHz.</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">- 160GB de disco.</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">- É recomendado um servidor dedicado.</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Está configuração deve suportar mais de 500 checagens de serviços por minuto.</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<h2 class="MsoNoSpacing"><span style="font-family:&quot;"><strong><span style="color:#ff9900;">1.2.1</span> &#8211; Requisitos de S.O.</strong></span></h2>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">O Groundwork foi homologado para as seguintes distribuições:</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">- Red Hat Enterprise Linux 5 Server, 32 or 64-bit </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">- Red Hat Enterprise Linux 4, 32 or 64-bit </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">- CentOS 5, 32 or 64-bit </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">- CentOS 4, 32-bit </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">- Novell SuSE Linux Enterprise Server (SLES) 10, 32 or 64-bit </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">- Novell SuSE Linux Enterprise Server (SLES) 9, 32-bit </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">O Groundwork também é suportado rodando no VMware ESX 3.X</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<h2 class="MsoNoSpacing"><span style="font-family:&quot;"><strong><span style="color:#ff9900;">1.2.2</span> &#8211; Requisitos de Software</strong></span></h2>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">O Groundwork precisa que já estejam instalados:</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">- MySQL Community Edition 5.0.51a-0</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">- Java JDK version 1.5 release 6 or the latest released version of Java JDK 1.5</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">- perl-DBI 1.40 or later (may already be installed)</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<h2 class="MsoNoSpacing"><span style="font-family:&quot;"><strong><span style="color:#ff9900;">2.0</span> &#8211; Baixando e instalando os pacotes necessários</strong></span></h2>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Precisamos baixar os pacotes necessários para continuar com a instalação:</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<h2 class="MsoNoSpacing"><span style="font-family:&quot;"><strong><span style="color:#ff9900;">2.1</span> &#8211; Baixando e instalando Perl-DBI</strong></span></h2>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Acesse o home do root:</span></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># cd ~</span></strong></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Faça o download do pacote para a instalação:</span></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># wget ftp://archive.groundworkopensource.com/pub/pre-req-community-edition/perl-DBI-1.40-5.i386.rpm </span></strong></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Instale o pacote:</span></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># rpm –ivh perl-DBI-1.40-5.i386.rpm</span></strong></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"> </span></strong></p>
<h2 class="MsoNoSpacing"><span style="font-family:&quot;"><strong><span style="color:#ff9900;">2.2</span> &#8211; Baixando e instalando Java JDK</strong></span></h2>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Faça o download do pacote de instalação:</span></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># wget ftp://archive.groundworkopensource.com/pub/pre-req-community-edition/jdk-1_5_0_06-linux-i586-rpm.bin.tar.gz</span></strong></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Descompacte o tarball:</span></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># tar -zxvf jdk-1_5_0_06-linux-i586-rpm.bin.tar.gz</span></strong></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Habilite execução para o arquivo abaixo:</span></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># chmod +x jdk-1_5_0_06-linux-i586-rpm.bin</span></strong></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Execute o bin para gerar o pacote rpm:</span></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># ./jdk-1_5_0_06-linux-i586-rpm.bin</span></strong></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Instale o pacote:</span></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># rpm -ivh jdk-1_5_0_06-linux-i586.rpm</span></strong></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<h2 class="MsoNoSpacing"><span style="font-family:&quot;"><strong><span style="color:#ff9900;">2.3</span> &#8211; Baixando e instalando MySQL community</strong></span></h2>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Faça o download dos pacotes do MySQL:</span></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># wget http://dev.mysql.com/get/Downloads/MySQL-5.0/MySQL-server-community-5.0.51a-0.rhel5.i386.rpm/from/http://mysql.cce.usp.br/</span></strong></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># wget http://dev.mysql.com/get/Downloads/MySQL-5.0/MySQL-client-community-5.0.51a-0.rhel5.i386.rpm/from/http://mysql.cce.usp.br/</span></strong></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># wget http://dev.mysql.com/get/Downloads/MySQL-5.0/MySQL-shared-community-5.0.51a-0.rhel5.i386.rpm/from/http://mysql.cce.usp.br/</span></strong></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Instale os pacotes:</span></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># rpm -ivh MySQL-*</span></strong></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<h2 class="MsoNoSpacing"><span style="font-family:&quot;"><strong><span style="color:#ff9900;">3.0</span> – Instalando o Ground work</strong></span></h2>
<p class="MsoNoSpacing">
<p class="MsoNoSpacing"><span style="font-family:&quot;">Devemos editar o arquivo /etc/hosts de acordo com o exemplo:</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">127.0.0.1<span> </span>localhost<span> </span>localhost.localdomain</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">172.30.0.51 groundwork<span> </span>groundwork.rede.net</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">No exemplo acima, a entrada mais importante para nós é a linha de localhost, ela deve estar idêntica ao exemplo acima, a segunda entrada é só ilustrativa, você deve alterar de acordo com suas configurações.</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Edite o arquivo etc/selinux/config e mude a linha:</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">SELINUX=enforcing</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Por</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">SELINUX=disabled</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Desabilite o selinux manualmente:</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"># setenforce 0</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Vamos fazer o download do Groundwork:</span></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># wget http://superb-east.dl.sourceforge.net/sourceforge/gwmos/groundwork-ce-5.2.1-52.rhel5.i386.tar.gz</span></strong></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Descompacte o tarball:</span></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># tar -zxvf groundwork-ce-5.2.1-52.rhel5.i386.tar.gz</span></strong></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Acesse o diretório criado:</span></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># cd groundwork-installer-5.2.1/</span></strong></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Execute o script de instalação:</span></p>
<p class="MsoNoSpacing"><strong><span style="font-family:&quot;"># ./run_install.sh</span></strong></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">Caso o hardware da maquina não esteja de acordo com o especificado como mínimo, o script irá exibir alguns avisos, selecione a opção “yes” nestes casos.</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">O script deve exibir um alerta de que a instalação terminou.</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;">De qualquer navegador, tente acessar a interface de administração do Groundowork simplesmente digitando o IP do equipamento no navegador, usuário “admin” e senha “admin”</span></p>
<p class="MsoNoSpacing"><span style="font-family:&quot;"> </span></p>
<p><span style="font-family:&quot;">Dentro da interface de administração tem o “Bookshelf”, um help bem documentado do Groundwork, de qualquer forma, vou postando algumas coisas ai.</span></p>
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		<title>SNMP no Windows XP</title>
		<link>http://luizcarlostomaz.wordpress.com/2008/09/09/snmp-no-windows-xp/</link>
		<comments>http://luizcarlostomaz.wordpress.com/2008/09/09/snmp-no-windows-xp/#comments</comments>
		<pubDate>Tue, 09 Sep 2008 20:55:23 +0000</pubDate>
		<dc:creator>luizcarlostomaz</dc:creator>
				<category><![CDATA[windows]]></category>
		<category><![CDATA[snmp]]></category>

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		<description><![CDATA[Só pra não dizer q não postei nada hoje, vai ai um tutozinho de como configurar o SNMP no Windows XP/2003: Dentro do Painel de Controle, acesse o ícone &#8220;Adicionar ou remover programas&#8221; e no menu da esquerda vá em &#8220;Adicionar/remover componentes do Windows&#8221; conforme figura abaixo. Na janela que vai se abrir depois, marque [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=luizcarlostomaz.wordpress.com&amp;blog=4776761&amp;post=5&amp;subd=luizcarlostomaz&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p style="text-align:left;">Só pra não dizer q não postei nada hoje, vai ai um tutozinho de como configurar o SNMP no Windows XP/2003:</p>
<p style="text-align:left;">Dentro do Painel de Controle, acesse o ícone &#8220;Adicionar ou remover programas&#8221; e no menu da esquerda vá em &#8220;Adicionar/remover componentes do Windows&#8221; conforme figura abaixo.</p>
<p style="text-align:center;"><a href="http://luizcarlostomaz.files.wordpress.com/2008/09/snmp11.jpg"><img class="size-medium wp-image-7 aligncenter" title="snmp11" src="http://luizcarlostomaz.files.wordpress.com/2008/09/snmp11.jpg?w=467&#038;h=334" alt="" width="467" height="334" /></a></p>
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<p style="text-align:left;">Na janela que vai se abrir depois, marque a opção &#8220;Ferramentas de gerenciamento e monitoramento&#8221; e avançar, o Assistente de componentes vai pedir o cd do Windows XP.</p>
<p style="text-align:center;"><a href="http://luizcarlostomaz.files.wordpress.com/2008/09/snmp2.jpg"><img class="size-medium wp-image-10 aligncenter" title="snmp2" src="http://luizcarlostomaz.files.wordpress.com/2008/09/snmp2.jpg?w=470&#038;h=358" alt="" width="470" height="358" /></a></p>
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<p style="text-align:left;">Depois de terminada a instalação, acesse &#8220;Painel de controle&#8221; &gt; &#8220;Ferramentas administrativas&#8221; &gt; &#8220;Serviços&#8221; conforme figura abaixo:</p>
<p style="text-align:center;"><a href="http://luizcarlostomaz.files.wordpress.com/2008/09/snmp41.jpg"><img class="size-medium wp-image-12 aligncenter" title="snmp41" src="http://luizcarlostomaz.files.wordpress.com/2008/09/snmp41.jpg?w=471&#038;h=357" alt="" width="471" height="357" /></a></p>
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<p style="text-align:left;">Clique com o botão direito do mouse em &#8220;Serviço SNMP&#8221; e em propriedades.</p>
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<p style="text-align:left;">Na janela de propriedades, acesse a aba segurança.</p>
<p style="text-align:center;"><a href="http://luizcarlostomaz.files.wordpress.com/2008/09/snmp5.jpg"><img class="size-full wp-image-13 aligncenter" title="snmp5" src="http://luizcarlostomaz.files.wordpress.com/2008/09/snmp5.jpg?w=410&#038;h=479" alt="" width="410" height="479" /></a></p>
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<p style="text-align:left;">Na aba &#8220;Segurança&#8221;, é possível editar a comunidade SNMP e suas permissões, é possível limitar por IP as maquinas que vão acessar o serviço SNMP do windows.</p>
<p style="text-align:left;">Depois é só reiniciar o &#8220;Serviço SNMP&#8221; e pronto, Vou arranjar um Windows 2008 e posto como instalar o SNMP nele também.</p>
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