{"id":773,"date":"2026-09-07T10:35:54","date_gmt":"2026-09-07T13:35:54","guid":{"rendered":"https:\/\/www.linuxpro.com.br\/2026\/09\/certificacao-lpic-2\/"},"modified":"2026-09-08T11:09:49","modified_gmt":"2026-09-08T14:09:49","slug":"certificacao-lpic-2","status":"publish","type":"post","link":"https:\/\/www.linuxpro.com.br\/en\/2026\/09\/certificacao-lpic-2\/","title":{"rendered":"LPIC-2 certification: networking and services at the intermediate level"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" alt=\"Mascote do LinuxPro encaixando cabos coloridos no rack, placa 3D da LPI na parede\" src=\"\/wp-content\/uploads\/2026\/09\/certificacao-lpic-2-v6.webp\" width=\"1486\" height=\"856\" \/><\/p>\n<p>If <a href=\"\/en\/2026\/09\/certificacao-lpic-1\/\">LPIC-1<\/a> proves that you administer <em>one machine<\/em> running Linux, <strong>LPIC-2<\/strong> proves that you administer <em>small and medium-sized mixed networks<\/em> \u2014 DNS, email, web, file sharing, centralized authentication, and the infrastructure that ties it all together. It is the step that separates junior from mid-level professionals on the certification track offered by the <a href=\"https:\/\/www.lpi.org\/\" rel=\"noopener\" target=\"_blank\">Linux Professional Institute<\/a>. Our series covers the entire track: <a href=\"\/en\/2026\/09\/certificacao-linux-essentials\/\">Linux Essentials<\/a> \u2192 <a href=\"\/en\/2026\/09\/certificacao-lpic-1\/\">LPIC-1<\/a> \u2192 <strong>LPIC-2<\/strong> \u2192 <a href=\"\/en\/2026\/09\/certificacao-lpic-3\/\">LPIC-3<\/a>, plus <a href=\"\/en\/2026\/09\/certificacao-lpi-devops\/\">LPI DevOps Tools Engineer<\/a>.<\/p>\n<h2>How the exam works<\/h2>\n<p>There are <strong>two exams<\/strong> \u2014 a <strong>201<\/strong> and the <strong>202<\/strong> \u2014 with <strong>60 questions in 90 minutes<\/strong> each, with multiple-choice and fill-in-the-blank questions, available in Portuguese. The prerequisite is an <strong>active LPIC-1<\/strong>, and the certification is valid for <strong>5 years<\/strong>. The difficulty rises noticeably: less \u201cwhich command lists files\u201d and more \u201cwhich BIND directive solves this scenario.\u201d.<\/p>\n<h2>What is on exam 201<\/h2>\n<ul>\n<li><strong>Capacity planning:<\/strong> measure resource usage, forecast growth, diagnose bottlenecks with <code data-no-translation=\"\">iostat<\/code>, <code data-no-translation=\"\">vmstat<\/code>, <code data-no-translation=\"\">sar<\/code>;<\/li>\n<li><strong>Linux kernel:<\/strong> compile, configure, manage modules, and apply parameters at runtime;<\/li>\n<li><strong>System boot:<\/strong> in-depth systemd, advanced GRUB, recovery of systems that will not boot;<\/li>\n<li><strong>Filesystems and devices:<\/strong> filesystem maintenance, tuning, and creation, <code data-no-translation=\"\">udev<\/code>;<\/li>\n<li><strong>Advanced storage:<\/strong> <strong>software RAID<\/strong> (<code data-no-translation=\"\">mdadm<\/code>), <strong>LVM<\/strong> in full and disk access tuning;<\/li>\n<li><strong>Network configuration:<\/strong> interfaces, routes, diagnostics, and troubleshooting;<\/li>\n<li><strong>System maintenance:<\/strong> compile programs from source, backups, and communication with users.<\/li>\n<\/ul>\n<h2>What is on exam 202<\/h2>\n<ul>\n<li><strong>DNS:<\/strong> configure and secure a BIND server, zones, and delegation;<\/li>\n<li><strong>Web services:<\/strong> Apache (virtual hosts, HTTPS), proxying with Squid, and Nginx as a reverse proxy;<\/li>\n<li><strong>File sharing:<\/strong> Samba and NFS;<\/li>\n<li><strong>Network client management:<\/strong> DHCP, PAM, and LDAP authentication;<\/li>\n<li><strong>Email services:<\/strong> Postfix, local delivery, and Dovecot for IMAP\/POP3;<\/li>\n<li><strong>System security:<\/strong> routing and firewall (iptables\/nftables), secure FTP, advanced SSH, OpenVPN, and intrusion detection.<\/li>\n<\/ul>\n<h2>How to train<\/h2>\n<p>LPIC-2 calls for a real lab: set up <strong>two or three networked VMs<\/strong> and build the complete infrastructure \u2014 because that is what the exam describes in its scenarios:<\/p>\n<pre data-no-translation=\"\"><code class=\"language-bash\" data-no-translation=\"\"># laborat\u00f3rio LPIC-2: um mini-datacenter em VMs\n# VM1: DNS autoritativo + DHCP    VM2: web + e-mail    VM3: cliente\nnamed-checkconf \/etc\/bind\/named.conf\nmdadm --create \/dev\/md0 --level=1 --raid-devices=2 \/dev\/vdb \/dev\/vdc\npostconf mydestination\n<\/code><\/pre>\n<p>Here the blog posts become supporting material: we have <a href=\"\/en\/2026\/09\/a-historia-do-postfix\/\">the history of Postfix<\/a>, <a href=\"\/en\/2026\/09\/a-historia-do-dovecot\/\">the history of Dovecot<\/a> and the <a href=\"\/en\/2017\/04\/serie-servidores-linux\/\">Linux server series<\/a> \u2014 the same services covered by exam 202.<\/p>\n<h2>Where to start<\/h2>\n<p>If your foundation in the terminal, systemd, LVM, and networking is still shaky, strengthen it first with the <a href=\"\/en\/2026\/09\/curso-linux-toca-do-tux\/\">Linux course by Gabriel (Toca do Tux)<\/a> and earn your <a href=\"\/en\/2026\/09\/certificacao-lpic-1\/\">LPIC-1<\/a> \u2014 a formal prerequisite for LPIC-2. After that, set up the lab and bring up one service at a time until the exam feels routine. \ud83d\udc27<\/p>","protected":false},"excerpt":{"rendered":"<p>If LPIC-1 proves you can administer a Linux machine, LPIC-2 proves you can administer small and medium-sized mixed networks \u2014 DNS, email, web, file sharing, centralized authentication, and the infrastructure that ties everything together. It is the step separating junior from mid-level professionals on the Linux Professional Institute track. Our series \u2026 <a title=\"LPIC-2 certification: networking and services at the intermediate level\" class=\"read-more\" href=\"https:\/\/www.linuxpro.com.br\/en\/2026\/09\/certificacao-lpic-2\/\" aria-label=\"Read more about Certifica\u00e7\u00e3o LPIC-2: redes e servi\u00e7os no n\u00edvel pleno\">Read more<\/a><\/p>","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13,2],"tags":[366,364,4,365,375],"class_list":["post-773","post","type-post","status-publish","format-standard","hentry","category-cursos","category-linux","tag-carreira","tag-certificacao","tag-linux","tag-lpi","tag-lpic2"],"_links":{"self":[{"href":"https:\/\/www.linuxpro.com.br\/en\/wp-json\/wp\/v2\/posts\/773","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linuxpro.com.br\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linuxpro.com.br\/en\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linuxpro.com.br\/en\/wp-json\/wp\/v2\/comments?post=773"}],"version-history":[{"count":6,"href":"https:\/\/www.linuxpro.com.br\/en\/wp-json\/wp\/v2\/posts\/773\/revisions"}],"predecessor-version":[{"id":1396,"href":"https:\/\/www.linuxpro.com.br\/en\/wp-json\/wp\/v2\/posts\/773\/revisions\/1396"}],"wp:attachment":[{"href":"https:\/\/www.linuxpro.com.br\/en\/wp-json\/wp\/v2\/media?parent=773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linuxpro.com.br\/en\/wp-json\/wp\/v2\/categories?post=773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linuxpro.com.br\/en\/wp-json\/wp\/v2\/tags?post=773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}