{"id":7414,"date":"2018-01-07T16:50:22","date_gmt":"2018-01-07T16:50:22","guid":{"rendered":"http:\/\/ubuntuhandbook.org\/?p=7414"},"modified":"2018-01-07T16:50:22","modified_gmt":"2018-01-07T16:50:22","slug":"prevent-automatic-blank-screen-watching-videos","status":"publish","type":"post","link":"https:\/\/ubuntuhandbook.org\/index.php\/2018\/01\/prevent-automatic-blank-screen-watching-videos\/","title":{"rendered":"How to Prevent Automatic Blank Screen While Watching Videos"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/caffeine-icon1.png\" alt=\"\" width=\"250\" height=\"250\" class=\"aligncenter size-full wp-image-7415\" srcset=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/caffeine-icon1.png 250w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/caffeine-icon1-150x150.png 150w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/><\/p>\n<p>This is quick tutorial shows you how to prevent Ubuntu desktop from being automatic turned off (or locked up) while you&#8217;re watching videos.<\/p>\n<p>Although the &#8220;System Settings&#8221; utility offers &#8220;Power&#8221; page to change screen dimming, blank screen inactive time, etc, it will be convenient to have a panel indicator applet to toggle the settings.<\/p>\n<p>And <a href=\"https:\/\/launchpad.net\/caffeine\" target=\"_blank\">Caffeine<\/a> shows an applet in system tray area allows to temporarily prevent the activation of both the screensaver and the &#8220;sleep&#8221; powersaving mode.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/caffine-status.jpg\" alt=\"\" width=\"305\" height=\"200\" class=\"aligncenter size-full wp-image-7416\" \/><\/p>\n<p><b>To install Caffeine in Unity or Other Desktops:<\/b><\/p>\n<p>For non-Gnome users in Ubuntu 16.04, Ubuntu 17.10, and higher, just search for and install &#8220;caffeine&#8221; in Ubuntu Software:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/caffeine-600x426.jpg\" alt=\"\" width=\"600\" height=\"426\" class=\"aligncenter size-large wp-image-7417\" srcset=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/caffeine-600x426.jpg 600w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/caffeine-450x319.jpg 450w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/caffeine-768x545.jpg 768w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/caffeine.jpg 1274w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Once installed, you can launch it from app launcher or let it launch automatically in next login.<\/p>\n<p><b>To install Caffeine extension in Gnome Shell:<\/b><\/p>\n<p>For Gnome Desktop, there&#8217;s an <a href=\"https:\/\/extensions.gnome.org\/extension\/517\/caffeine\/\" target=\"_blank\">Caffeine extension<\/a> available for install.<\/p>\n<p>You can <a href=\"https:\/\/ubuntuhandbook.org\/index.php\/2017\/10\/install-gnome-extensions-ubuntu-17-10\/\" target=\"_blank\">follow this tutorial to install the extension<\/a>. Since Ubuntu 17.10 artful you can search for and install the extension via Ubuntu Software:<\/p>\n<p><i>skip caffeine for xscreensaver which it not updated for a lone time.<\/i><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/caffeine-shell-extension-600x426.jpg\" alt=\"\" width=\"600\" height=\"426\" class=\"aligncenter size-large wp-image-7418\" srcset=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/caffeine-shell-extension-600x426.jpg 600w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/caffeine-shell-extension-450x319.jpg 450w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/caffeine-shell-extension-768x545.jpg 768w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/caffeine-shell-extension.jpg 1274w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Once installed, you should see the applet in system tray. And you can manage gnome extensions via &#8220;Gnome Tweaks&#8221; utility (<i>Install it via Ubuntu Software if you don&#8217;t have it<\/i>).<\/p>","protected":false},"excerpt":{"rendered":"<p>This is quick tutorial shows you how to prevent Ubuntu desktop from being automatic turned off (or locked up) while you&#8217;re watching videos. Although the &#8220;System Settings&#8221; utility offers &#8220;Power&#8221; page to change screen dimming, blank screen inactive time, etc, it will be convenient to have a panel indicator applet to toggle the settings. And [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[892],"class_list":["post-7414","post","type-post","status-publish","format-standard","hentry","category-howtos","tag-caffeine"],"_links":{"self":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts\/7414","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/comments?post=7414"}],"version-history":[{"count":0,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts\/7414\/revisions"}],"wp:attachment":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/media?parent=7414"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/categories?post=7414"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/tags?post=7414"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}