![\"Mascote](\"\/wp-content\/uploads\/2026\/09\/certificacao-linux-plus-v3.webp\")
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CompTIA Linux+<\/strong> is the Linux world's \u201call-in-one\u201d certification: a single exam<\/strong>, vendor-neutral, covering modern administration \u2014 from the classic terminal to containers, Git, and automation. For anyone who already has other CompTIA certifications (A+, Network+, Security+) or wants a single credential instead of a series of exams, it is the natural choice. This post closes our Linux certification series \u2014 see also LPIC-1<\/a>, LFCS<\/a> and RHCSA<\/a>.<\/p>\n As of publication, the current version is XK0-005<\/strong>: a maximum of 90 questions in 90 minutes<\/strong>, mixing multiple-choice questions with simulated practical questions<\/strong> (performance-based, where you operate an environment). Around ~12 months of Linux experience is recommended, but there is no formal prerequisite. The certification is valid for 3 years<\/strong> and can be renewed through the continuing education (CE) program from CompTIA<\/a> \u2014 without retaking the exam, by earning credits. Check the available language and version when scheduling; the exam is usually delivered in English.<\/p>\n Linux+ punishes rote memorization: the practical questions require diagnosis. Practice breaking and fixing things \u2014 instead of just configuring a service, sabotage it and fix it:<\/p>\n Add the modern trio that other exams emphasize less: a real Git<\/strong> repository for your scripts, containers in your daily work, and shell scripts for every repetitive task. The detailed official objectives are on CompTIA's website \u2014 use them as a checklist.<\/p>\n Before targeting any exam, the foundation is the same: terminal fluency, packages, permissions, processes, networking, and shell scripting. That is exactly the path offered by Linux course by Gabriel (Toca do Tux)<\/a>, in Portuguese and starting with migration. With a solid foundation, choose your exam: Linux+ if you want breadth in a single exam, LPIC-1<\/a> or LFCS<\/a> if you prefer the classic path, RHCSA<\/a> if your target is the corporate Red Hat world.<\/p>\n Certification does not replace experience \u2014 but it opens the door to gaining it. Choose one, build your lab, and start today. \ud83d\udc27<\/p>","protected":false},"excerpt":{"rendered":" CompTIA Linux+ is the all-in-one certification in the Linux world: a single vendor-neutral exam covering modern administration \u2014 from the traditional terminal to containers, Git, and automation. For anyone who already holds other CompTIA certifications (A+, Network+, Security+) or wants one credential instead of a series of exams, it is a natural choice. \u2026 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":[366,364,369,4],"class_list":["post-766","post","type-post","status-publish","format-standard","hentry","category-cursos","category-linux","tag-carreira","tag-certificacao","tag-comptia","tag-linux"],"_links":{"self":[{"href":"https:\/\/www.linuxpro.com.br\/en\/wp-json\/wp\/v2\/posts\/766","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=766"}],"version-history":[{"count":2,"href":"https:\/\/www.linuxpro.com.br\/en\/wp-json\/wp\/v2\/posts\/766\/revisions"}],"predecessor-version":[{"id":1304,"href":"https:\/\/www.linuxpro.com.br\/en\/wp-json\/wp\/v2\/posts\/766\/revisions\/1304"}],"wp:attachment":[{"href":"https:\/\/www.linuxpro.com.br\/en\/wp-json\/wp\/v2\/media?parent=766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linuxpro.com.br\/en\/wp-json\/wp\/v2\/categories?post=766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linuxpro.com.br\/en\/wp-json\/wp\/v2\/tags?post=766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}How the exam works<\/h2>\n
The exam's four domains<\/h2>\n
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How to train<\/h2>\n
# treino de troubleshooting: por que o servi\u00e7o n\u00e3o sobe?\nsystemctl status nginx --no-pager # estado e \u00faltimo erro\njournalctl -u nginx -n 20 --no-pager # o log conta a hist\u00f3ria\nss -tlnp | grep :80 # a porta j\u00e1 est\u00e1 ocupada?\nls -lZ \/var\/www\/html | head # contexto SELinux correto?\ndf -h && free -m # disco cheio? mem\u00f3ria?\n<\/code><\/pre>\nWhere to start<\/h2>\n