{"id":2728,"date":"2015-12-17T22:20:54","date_gmt":"2015-12-17T22:20:54","guid":{"rendered":"http:\/\/wiki.davelevy.info\/?p=2728"},"modified":"2024-08-15T08:41:12","modified_gmt":"2024-08-15T08:41:12","slug":"linux-power-management","status":"publish","type":"post","link":"https:\/\/davelevy.info\/wiki\/linux-power-management\/","title":{"rendered":"Linux Power Management"},"content":{"rendered":"<p>Been trying to get my latest Linux Laptop to behave nicely while on battery. It&#8217;s an Elementary Luna build. I came to the conclusion that there&#8217;s not much that can be done; it&#8217;s one of those things we leave to the OS authors, in this case Canonical.<!--more-->I ran a shell script test, it lasts for pretty much two hours dead, while running a script. (Not sure about the screen saver.) I should re-run the test while working.<\/p>\n<p>Here are some links,<\/p>\n<ol>\n<li><a href=\"https:\/\/web.archive.org\/web\/20210506224314\/http:\/\/www.ubuntugeek.com\/how-to-improve-ubuntu-laptop-power-management.html\">http:\/\/www.ubuntugeek.com\/how-to-improve-ubuntu-laptop-power-management.html<\/a> , dated 2013, references TLP, which has its own site, <a href=\"http:\/\/linrunner.de\/en\/tlp\/tlp.html\">http:\/\/linrunner.de\/en\/tlp\/tlp.html<\/a><\/li>\n<li><a href=\"http:\/\/askubuntu.com\/questions\/172391\/is-laptop-mode-tools-still-relevant-for-12-04-and-the-3-x-kernels\">http:\/\/askubuntu.com\/questions\/172391\/is-laptop-mode-tools-still-relevant-for-12-04-and-the-3-x-kernels<\/a> &#8211; argues that U12.04 is as good as it gets.<\/li>\n<li><a href=\"https:\/\/help.ubuntu.com\/community\/PowerManagement\/ReducedPower\">https:\/\/help.ubuntu.com\/community\/PowerManagement\/ReducedPower<\/a><\/li>\n<li>Before 12.04 there was <strong>powertop<\/strong>, named after top, http:\/\/linux.die.net\/man\/8\/powertop, <a href=\"http:\/\/www.webupd8.org\/2012\/08\/install-powertop-21-in-ubuntu-1204.html\">http:\/\/www.webupd8.org\/2012\/08\/install-powertop-21-in-ubuntu-1204.html<\/a> dated 2012, I think this is no longer optimal, and also <a href=\"http:\/\/askubuntu.com\/questions\/112705\/how-do-i-make-powertop-changes-permanent\">http:\/\/askubuntu.com\/questions\/112705\/how-do-i-make-powertop-changes-permanent<\/a> and <a href=\"http:\/\/askubuntu.com\/questions\/420132\/powertop-html-file-not-providing-echo-commands?rq=1\">http:\/\/askubuntu.com\/questions\/420132\/powertop-html-file-not-providing-echo-commands?rq=1<\/a><\/li>\n<li>http:\/\/manpages.ubuntu.com\/manpages\/hardy\/man8\/pm-action.8.html &#8211; the ububtu 12.04 man pages<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Been trying to get my latest Linux Laptop to behave nicely while on battery. It&#8217;s an Elementary Luna build. I came to the conclusion that there&#8217;s not much that can be done; it&#8217;s one of those things we leave to the OS authors, in this case Canonical.<\/p>\n","protected":false},"author":1,"featured_media":2801,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_share_on_mastodon":"0"},"categories":[8,3],"tags":[906,907,916,908,909,910,911,343],"class_list":["post-2728","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","category-technology","tag-12-04","tag-elementary","tag-linux","tag-luna","tag-power","tag-power-management","tag-technology","tag-ubuntu"],"share_on_mastodon":{"url":"","error":""},"jetpack_featured_media_url":"https:\/\/davelevy.info\/wiki\/wp-content\/uploads\/2015\/12\/batteries-w650.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/davelevy.info\/wiki\/wp-json\/wp\/v2\/posts\/2728","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/davelevy.info\/wiki\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/davelevy.info\/wiki\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/davelevy.info\/wiki\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/davelevy.info\/wiki\/wp-json\/wp\/v2\/comments?post=2728"}],"version-history":[{"count":2,"href":"https:\/\/davelevy.info\/wiki\/wp-json\/wp\/v2\/posts\/2728\/revisions"}],"predecessor-version":[{"id":11263,"href":"https:\/\/davelevy.info\/wiki\/wp-json\/wp\/v2\/posts\/2728\/revisions\/11263"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/davelevy.info\/wiki\/wp-json\/wp\/v2\/media\/2801"}],"wp:attachment":[{"href":"https:\/\/davelevy.info\/wiki\/wp-json\/wp\/v2\/media?parent=2728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/davelevy.info\/wiki\/wp-json\/wp\/v2\/categories?post=2728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/davelevy.info\/wiki\/wp-json\/wp\/v2\/tags?post=2728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}