{"id":2353,"date":"2026-01-03T04:27:15","date_gmt":"2026-01-03T07:27:15","guid":{"rendered":"https:\/\/helpsysadmin.com.br\/blog\/?p=2353"},"modified":"2026-06-15T00:39:31","modified_gmt":"2026-06-15T03:39:31","slug":"diagnostico-linux-htop-iotop-glances","status":"publish","type":"post","link":"https:\/\/helpsysadmin.com.br\/blog\/diagnostico-linux-htop-iotop-glances\/","title":{"rendered":"Como Usar htop, iotop e Glances para Diagn\u00f3stico R\u00e1pido de Servidores Linux"},"content":{"rendered":"<div id=\"helps-2951445741\" class=\"helps-before-content-2 helps-entity-placement\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3661896953164277\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- 2anuncios display quadrado -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-3661896953164277\"\r\n     data-ad-slot=\"5051229894\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n<p class=\"wp-block-paragraph\">Todo administrador de sistemas conhece o cen\u00e1rio: o monitoramento dispara um alerta, o site fica lento e os clientes come\u00e7am a reclamar. Voc\u00ea acessa o servidor via SSH e precisa descobrir a causa raiz imediatamente. \u00c9 um ataque? Um script PHP em loop? O banco de dados consumindo todo o disco?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nessas horas, ferramentas gr\u00e1ficas complexas podem ser lentas demais. Voc\u00ea precisa da agilidade do terminal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Neste artigo, vamos explorar a &#8220;trindade&#8221; do diagn\u00f3stico r\u00e1pido no <a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-crowdsec\/\" data-internallinksmanager029f6b8e52c=\"1\" title=\"Como instalar Crowdsec\" target=\"_blank\" rel=\"noopener\">Linux<\/a>: <strong>htop<\/strong> (para CPU e RAM), <strong>iotop<\/strong> (para Disco) e <strong>Glances<\/strong> (para uma vis\u00e3o geral). Veja como instal\u00e1-los e, o mais importante, como interpret\u00e1-los.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-1-htop-o-gerenciador-de-processos-cpu-e-ram\">1. htop: O Gerenciador de Processos (CPU e RAM)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O <code>htop<\/code> \u00e9 a evolu\u00e7\u00e3o moderna e colorida do cl\u00e1ssico comando <code>top<\/code>. Ele permite rolar a lista de processos (vertical e horizontalmente) e interagir usando o mouse ou teclado.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-o-que-ele-diagnostica\">O que ele diagnostica?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Picos de CPU:<\/strong> Qual processo est\u00e1 &#8220;fritando&#8221; o processador.<\/li>\n\n\n\n<li><strong>Vazamento de Mem\u00f3ria:<\/strong> Processos que consomem RAM progressivamente at\u00e9 travar o servidor.<\/li>\n\n\n\n<li><strong>Load Average Alto:<\/strong> O engarrafamento da fila de processamento.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-instalacao\">Instala\u00e7\u00e3o<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly># Debian\/Ubuntu\nsudo apt install htop\n# RHEL\/AlmaLinux\/CentOS (necessita reposit\u00f3rio EPEL)\nsudo dnf install htop<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #D8DEE9FF\"># <\/span><span style=\"color: #D8DEE9\">Debian<\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9\">Ubuntu<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">sudo<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">apt<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">install<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">htop<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\"># <\/span><span style=\"color: #D8DEE9\">RHEL<\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9\">AlmaLinux<\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #88C0D0\">CentOS<\/span><span style=\"color: #D8DEE9FF\"> (<\/span><span style=\"color: #D8DEE9\">necessita<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">reposit\u00f3rio<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">EPEL<\/span><span style=\"color: #D8DEE9FF\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">sudo<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">dnf<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">install<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">htop<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-o-guia-de-diagnostico-rapido\">O Guia de Diagn\u00f3stico R\u00e1pido<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ao abrir o <code>htop<\/code>, foque imediatamente nestes tr\u00eas pontos:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Load Average (Canto Superior Direito):<\/strong> Voc\u00ea ver\u00e1 tr\u00eas n\u00fameros (m\u00e9dia de 1, 5 e 15 minutos).\n<ul class=\"wp-block-list\">\n<li><em>Regra de Ouro:<\/em> Se o &#8220;Load&#8221; for maior que a quantidade de n\u00facleos (Cores) do seu servidor, o sistema est\u00e1 sobrecarregado.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Barras de Mem\u00f3ria:<\/strong> Se a barra de RAM estiver cheia e a barra &#8220;Swp&#8221; (Swap) come\u00e7ar a encher, seu servidor ficar\u00e1 extremamente lento.<\/li>\n\n\n\n<li><strong>Teclas de Atalho Essenciais:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>F6 (Sort By):<\/strong> A tecla mais importante. Ordene por <code>PERCENT_CPU<\/code> para achar processos travados ou <code>PERCENT_MEM<\/code> para achar quem consome muita RAM.<\/li>\n\n\n\n<li><strong>F4 (Filter):<\/strong> Digite o nome do servi\u00e7o (ex: <code>mysql<\/code> ou <code>httpd<\/code>) para limpar a tela e focar apenas nele.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-2-iotop-o-detetive-de-disco-i-o\">2. iotop: O Detetive de Disco (I\/O)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Muitas vezes, o servidor est\u00e1 lento, mas o <code>htop<\/code> mostra a CPU &#8220;folgada&#8221;. O culpado geralmente \u00e9 o <strong>Gargalo de I\/O<\/strong> (Leitura e Escrita de Disco). Se o disco n\u00e3o responde r\u00e1pido o suficiente, todo o sistema congela esperando.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-o-que-ele-diagnostica-0\">O que ele diagnostica?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Backups pesados rodando em hor\u00e1rio indevido.<\/li>\n\n\n\n<li>Banco de dados fazendo leituras massivas.<\/li>\n\n\n\n<li>Uso excessivo de Swap.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-instalacao-0\">Instala\u00e7\u00e3o<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly># Debian\/Ubuntu\nsudo apt install iotop\n# RHEL\/AlmaLinux\nsudo dnf install iotop<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #D8DEE9FF\"># <\/span><span style=\"color: #D8DEE9\">Debian<\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9\">Ubuntu<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">sudo<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">apt<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">install<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">iotop<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\"># <\/span><span style=\"color: #D8DEE9\">RHEL<\/span><span style=\"color: #81A1C1\">\/<\/span><span style=\"color: #D8DEE9\">AlmaLinux<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9\">sudo<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">dnf<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">install<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">iotop<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-o-truque-do-only\">O Truque do &#8220;Only&#8221;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O <code>iotop<\/code> exige <code>sudo<\/code>. Por padr\u00e3o, ele mostra muitos processos com atividade zero. Para diagnosticar r\u00e1pido:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Execute <code>sudo iotop<\/code>.<\/li>\n\n\n\n<li><strong>Pressione a tecla <code>o<\/code> (letra O):<\/strong> Isso ativa o modo <em>Only<\/em>, exibindo apenas processos que est\u00e3o escrevendo ou lendo disco <em>agora<\/em>.<\/li>\n\n\n\n<li><strong>Olhe a coluna <code>IO &gt;<\/code>:<\/strong> Esta coluna mostra a porcentagem de tempo que o processo passou <em>aguardando<\/em> o disco. Se estiver alta (acima de 40-50%), o disco \u00e9 o seu problema, n\u00e3o a CPU.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-3-glances-o-painel-de-controle-completo\">3. Glances: O Painel de Controle Completo<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Enquanto <code>htop<\/code> e <code>iotop<\/code> s\u00e3o ferramentas de foco espec\u00edfico, o <strong>Glances<\/strong> \u00e9 um painel de controle geral. Ele condensa CPU, RAM, Disco, Rede, Temperaturas e at\u00e9 Containers em uma \u00fanica tela.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-o-que-ele-diagnostica-1\">O que ele diagnostica?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gargalos de Rede:<\/strong> Download\/Upload saturados (ex: Ataques DDoS ou transfer\u00eancia de arquivos).<\/li>\n\n\n\n<li><strong>Alertas Hist\u00f3ricos:<\/strong> O Glances registra picos passados.<\/li>\n\n\n\n<li><strong>Espa\u00e7o em Disco:<\/strong> Monitoramento r\u00e1pido de parti\u00e7\u00f5es cheias.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-instalacao-1\">Instala\u00e7\u00e3o<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A maneira mais pr\u00e1tica \u00e9 via script oficial:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para Ubuntu<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>apt install glances<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #D8DEE9\">apt<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">install<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">glances<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n\n\n\n\n<p class=\"wp-block-paragraph\">Para Almalinux\/Rock Linux\/RHEL<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>dnf install glances<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #D8DEE9\">dnf<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">install<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">glances<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-visao-holistica\">Vis\u00e3o Hol\u00edstica<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O Glances usa cores para indicar a sa\u00fade: <strong>Verde (OK)<\/strong>, <strong>Violeta (Alerta)<\/strong> e <strong>Vermelho (Cr\u00edtico)<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A grande vantagem do Glances para diagn\u00f3stico r\u00e1pido \u00e9 a se\u00e7\u00e3o <strong>NETWORK<\/strong>. Se o servidor est\u00e1 lento, mas CPU e Disco est\u00e3o normais, olhe para o Rx\/Tx da rede. Voc\u00ea pode estar com a largura de banda saturada.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-resumo-qual-ferramenta-usar-e-quando\">Resumo: Qual ferramenta usar e quando?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para facilitar sua decis\u00e3o no calor do momento, use esta tabela:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Sintoma do Servidor<\/strong><\/td><td><strong>Ferramenta<\/strong><\/td><td><strong>O que procurar<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Ventoinha alta \/ Lentid\u00e3o<\/strong><\/td><td><code>htop<\/code><\/td><td>Ordenar por <code>CPU%<\/code> (F6).<\/td><\/tr><tr><td><strong>Erro &#8220;Out of Memory&#8221;<\/strong><\/td><td><code>htop<\/code><\/td><td>Ordenar por <code>MEM%<\/code> ou verificar Swap.<\/td><\/tr><tr><td><strong>Banco de Dados Lento<\/strong><\/td><td><code>iotop<\/code><\/td><td>Verificar coluna <code>IO &gt;<\/code> e escritas atuais.<\/td><\/tr><tr><td><strong>Site caindo (Timeout)<\/strong><\/td><td><code>glances<\/code><\/td><td>Verificar <code>Network Rx\/Tx<\/code> e <code>Load<\/code>.<\/td><\/tr><tr><td><strong>Monitoramento Geral<\/strong><\/td><td><code>glances<\/code><\/td><td>Deixar aberto em um segundo monitor.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusao\">Conclus\u00e3o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e3o tente adivinhar o problema do seu servidor. Com <code>htop<\/code>, <code>iotop<\/code> e <code>glances<\/code>, voc\u00ea tem dados precisos para tomar decis\u00f5es, seja otimizar uma configura\u00e7\u00e3o do MySQL, bloquear um IP abusivo ou simplesmente reiniciar um servi\u00e7o travado. Instale essas ferramentas hoje e esteja preparado para a pr\u00f3xima emerg\u00eancia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/helpsysadmin.com.br\">Clique aqui e consulte nossos planos de Gerenciamento de Servidor<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Veja Mais: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-glances-monitorar-servidor\/\" target=\"_blank\" rel=\"noreferrer noopener\">Como instalar Glances para monitorar o servidor<\/a><\/strong><br>Veja Mais: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-verificar-no-linux-a-velocidade-de-io-do-disco\/\" target=\"_blank\" rel=\"noreferrer noopener\">Como verificar no linux a velocidade de I\/O do disco<\/a><\/strong><br>Veja Mais: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/guia-completo-do-directadmin-para-administradores\/\" target=\"_blank\" rel=\"noreferrer noopener\">Guia Completo do DirectAdmin para Administradores | Instala\u00e7\u00e3o, Seguran\u00e7a e Performance<\/a><\/strong><br>See More: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/en\/how-to-install-glances-to-monitor-the-server\/\" target=\"_blank\" rel=\"noreferrer noopener\">How to install Glances to monitor the server<\/a><\/strong><br>See More: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/en\/how-to-check-disk-i-o-speed-in-linux\/\" target=\"_blank\" rel=\"noreferrer noopener\">How to check disk I\/O speed in linux<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Todo administrador de sistemas conhece o cen\u00e1rio: o monitoramento dispara um alerta, o site fica lento e os clientes come\u00e7am a reclamar. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":6564,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4187],"tags":[],"class_list":["post-2353","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-monitoramento-e-troubleshooting"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Diagn\u00f3stico Linux: Guia Pr\u00e1tico de htop, iotop e Glances<\/title>\n<meta name=\"description\" content=\"Servidor lento ou travando? Aprenda a identificar gargalos de CPU, mem\u00f3ria e disco em segundos usando htop, iotop e Glances. 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