{"id":8889,"date":"2025-07-18T01:53:42","date_gmt":"2025-07-17T23:53:42","guid":{"rendered":"https:\/\/shakti.tattva.se\/?p=8889"},"modified":"2025-08-30T08:02:12","modified_gmt":"2025-08-30T06:02:12","slug":"chatgpt-conversation-suspend-and-screen-control-on-arch-linux","status":"publish","type":"post","link":"https:\/\/shakti.tattva.se\/index.php\/chatgpt-conversation-suspend-and-screen-control-on-arch-linux\/","title":{"rendered":"ChatGPT Conversation: Suspend and Screen Control on Arch Linux"},"content":{"rendered":"<h2>ChatGPT Conversation: Suspend and Screen Control on Arch Linux<\/h2>\n<p><strong>User:<\/strong> on arch linux, now again xorg went into sleep suspend, black screen, i can switch console and log on in text mode, how do I get xorg to wake up again?<\/p>\n<p><strong>ChatGPT:<\/strong> [Explained how to use xset, kill screen locker, restart DM, and disable DPMS]<\/p>\n<p><strong>User:<\/strong> this is the start command (from ps) can you give me a shell script that turns it on again<br \/>\n<code>\/usr\/lib\/Xorg -nolisten tcp -background none -seat seat0 vt1 -auth \/run\/sddm\/xauth_vhqVwR -noreset -displayfd 17<\/code><\/p>\n<p><strong>ChatGPT:<\/strong> [Provided a shell script using xset, exporting DISPLAY and XAUTHORITY]<\/p>\n<p><strong>User:<\/strong> user is always current user, you can remove sudo -u user, display is 0.0<\/p>\n<p><strong>ChatGPT:<\/strong> [Provided a simplified script without sudo]<\/p>\n<p><strong>User:<\/strong> from previous conversations I know xauthority is not in that place.<br \/>\n<code>.\/wake-x.sh<br \/>\nInvalid MIT-MAGIC-COOKIE-1 key<br \/>\nxset:  unable to open display \":0.0\"<\/code><\/p>\n<p><strong>ChatGPT:<\/strong> [Explained that SDDM uses a temporary Xauthority, and gave an updated script using \/run\/sddm\/xauth_*]<\/p>\n<p><strong>User:<\/strong> xauth_vhqVwR looks like a random filename or is it that every time?<\/p>\n<p><strong>ChatGPT:<\/strong> Yes, it&#8217;s randomly generated. Provided an updated script to detect it dynamically using <code>ps<\/code>.<\/p>\n<p><strong>User:<\/strong> now it says:<br \/>\n<code>Authorization required, but no authorization protocol specified<\/code><\/p>\n<p><strong>ChatGPT:<\/strong> You need to run the script as root to access that Xauthority file. Advised using <code>sudo .\/wake-x.sh<\/code><\/p>\n<p><strong>User:<\/strong> why does sddm not use .Xauthority?<\/p>\n<p><strong>ChatGPT:<\/strong> Explained that SDDM runs as root before login and uses \/run because $HOME isn&#8217;t guaranteed to be available.<\/p>\n<p><strong>User:<\/strong> home directory is never encrypted, how do I make it work, or use something else than sddm<\/p>\n<p><strong>ChatGPT:<\/strong> Suggested using <code>startx<\/code> or switching to <code>LightDM<\/code> which uses <code>~\/.Xauthority<\/code> properly<\/p>\n<p><strong>User:<\/strong> i need a dm to create login<\/p>\n<p><strong>ChatGPT:<\/strong> Recommends <strong>LightDM<\/strong> and gives step-by-step instructions to replace SDDM<\/p>\n<p><strong>User:<\/strong> when i restart system as part of our conversation, the last part of our dialog always disappears, so now you don&#8217;t know what we were discussing before, grr. we were discussing autologin with lightdm, and it still does not work<\/p>\n<p><strong>ChatGPT:<\/strong> Re-explains LightDM autologin setup, including <code>lightdm.conf<\/code> and checks<\/p>\n<p><strong>User:<\/strong> it says <code>pam_succeed_if(lightdm-autologin:auth): requirement \"user ingroup autologin\" not met<\/code><\/p>\n<p><strong>ChatGPT:<\/strong> You&#8217;re not in the <code>autologin<\/code> group. Added user to it via <code>usermod -aG autologin pdd<\/code><\/p>\n<p><strong>User:<\/strong> this works now, but how do i get the suspend button in arch linux, do the opposite and turn off the screen when P3 deep sleep does not work properly in bios. It causes the computer to sleep, but not the screen<\/p>\n<p><strong>ChatGPT:<\/strong> Provided ways to make a button or shortcut to call <code>xset dpms force off<\/code><\/p>\n<p><strong>User:<\/strong> I have the big suspend button of xfce4, it does linux suspend, I think, and it causes the system to go to sleep, it turns off the keyboard light, but it does not cause the screen to go blank. I want it to turn off the screen just as the wake-x.sh turns it on<\/p>\n<p><strong>ChatGPT:<\/strong> Gave a systemd sleep hook script to force screen off with <code>xset dpms force off<\/code> before suspend<\/p>\n<p><strong>User:<\/strong> i want it to turn on when coming back from sleep<\/p>\n<p><strong>ChatGPT:<\/strong> Updated the systemd script to also call <code>xset dpms force on<\/code> after resume<\/p>\n<p><strong>User:<\/strong> the manual test worked, good is there a way to save this whole conversation locally to disk<\/p>\n<p><strong>ChatGPT:<\/strong> Explained saving via browser, text files, PDF, or copy-paste. Mentioned dynamic loading problems with Ctrl+A<\/p>\n<p><strong>User:<\/strong> thank you. I did not know openai did not save everything. it sure looks like that. what is the use of the left side panel then?<\/p>\n<p><strong>ChatGPT:<\/strong> Explained left panel is more like a &#8220;summary index&#8221;, not a full archive. Recommended manual saving<\/p>\n<p><strong>User:<\/strong> thank you, i&#8217;ll think about that in the future. let&#8217;s try it, give me a html of this whole conversation to paste into wordpress<\/p>\n<p><strong>ChatGPT:<\/strong> [This is that response]<\/p>\n<p>&#8212; Let me know if you\u2019d prefer this as a downloadable file, or also want a Markdown version for portable use.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ChatGPT Conversation: Suspend and Screen Control on Arch Linux User: on arch linux, now again xorg went into sleep suspend, black screen, i can switch console and log on in text mode, how do I get xorg to wake up again? ChatGPT: [Explained how to use xset, kill screen locker, restart DM, and disable DPMS]&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"wprm-recipe-roundup-name":"","wprm-recipe-roundup-description":"","_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[447],"tags":[],"class_list":["post-8889","post","type-post","status-publish","format-standard","hentry","category-linux-know-how"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/shakti.tattva.se\/index.php\/wp-json\/wp\/v2\/posts\/8889","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shakti.tattva.se\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shakti.tattva.se\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shakti.tattva.se\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shakti.tattva.se\/index.php\/wp-json\/wp\/v2\/comments?post=8889"}],"version-history":[{"count":1,"href":"https:\/\/shakti.tattva.se\/index.php\/wp-json\/wp\/v2\/posts\/8889\/revisions"}],"predecessor-version":[{"id":8890,"href":"https:\/\/shakti.tattva.se\/index.php\/wp-json\/wp\/v2\/posts\/8889\/revisions\/8890"}],"wp:attachment":[{"href":"https:\/\/shakti.tattva.se\/index.php\/wp-json\/wp\/v2\/media?parent=8889"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shakti.tattva.se\/index.php\/wp-json\/wp\/v2\/categories?post=8889"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shakti.tattva.se\/index.php\/wp-json\/wp\/v2\/tags?post=8889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}