{"id":23530,"date":"2022-04-16T12:35:51","date_gmt":"2022-04-16T11:35:51","guid":{"rendered":"https:\/\/ekiwi-blog.de\/?p=23530"},"modified":"2022-04-16T13:26:19","modified_gmt":"2022-04-16T12:26:19","slug":"linux-enable-verbose-log-at-boot-time","status":"publish","type":"post","link":"https:\/\/ekiwi-blog.de\/en\/23530\/linux-enable-verbose-log-at-boot-time\/","title":{"rendered":"Linux: Enable verbose log at boot time"},"content":{"rendered":"<p>Enable verbose log messages at boot time in Linux, here&#8217;s how!<\/p>\n<p><!--more--><\/p>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/PxYxnmG2yQQ\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<h2>Instruction<\/h2>\n<p>We edit the grub bootloader configuration with an editor of our choice, e.g. vim.<\/p>\n<pre>\r\nsudo vim \/etc\/default\/grub\r\n<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2022\/04\/grub_log_1.png\" alt=\"\" width=\"503\" height=\"106\" class=\"aligncenter size-full wp-image-23523\" srcset=\"https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2022\/04\/grub_log_1.png 503w, https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2022\/04\/grub_log_1-300x63.png 300w\" sizes=\"auto, (max-width: 503px) 100vw, 503px\" \/><\/p>\n<p>Here we remove the parameters from the line &#8220;GRUB_CMD_LINE_LINUX_DEFAULT&#8221;:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2022\/04\/grub_log_2.png\" alt=\"\" width=\"860\" height=\"787\" class=\"aligncenter size-full wp-image-23525\" srcset=\"https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2022\/04\/grub_log_2.png 860w, https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2022\/04\/grub_log_2-300x275.png 300w, https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2022\/04\/grub_log_2-768x703.png 768w\" sizes=\"auto, (max-width: 860px) 100vw, 860px\" \/><\/p>\n<p>After that we still execute the command &#8220;<code>sudo update-grub<\/code>&#8220;. <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2022\/04\/grub_log_3.png\" alt=\"\" width=\"498\" height=\"341\" class=\"aligncenter size-full wp-image-23527\" srcset=\"https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2022\/04\/grub_log_3.png 498w, https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2022\/04\/grub_log_3-300x205.png 300w\" sizes=\"auto, (max-width: 498px) 100vw, 498px\" \/><\/p>\n<p>Done! The detailed log messages will now be output at the next system start.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2022\/04\/grub_log_4.png\" alt=\"\" width=\"800\" height=\"600\" class=\"aligncenter size-full wp-image-23529\" srcset=\"https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2022\/04\/grub_log_4.png 800w, https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2022\/04\/grub_log_4-300x225.png 300w, https:\/\/ekiwi-blog.de\/wp-content\/uploads\/2022\/04\/grub_log_4-768x576.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Enable verbose log messages at boot time in Linux, here&#8217;s how!<\/p>\n","protected":false},"author":1,"featured_media":14881,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1555],"tags":[1565],"class_list":["post-23530","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software-en","tag-software-en"],"_links":{"self":[{"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/posts\/23530","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/comments?post=23530"}],"version-history":[{"count":0,"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/posts\/23530\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/media\/14881"}],"wp:attachment":[{"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/media?parent=23530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/categories?post=23530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ekiwi-blog.de\/en\/wp-json\/wp\/v2\/tags?post=23530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}