How to detect if HDMI Monitor is switched off in Ubuntu?











up vote
3
down vote

favorite












Is there any command in Ubuntu to detect an HDMI monitor? I have tried ddclient but it's not working.



The command I tried:



ddclient -p m/> Power control/









share|improve this question




























    up vote
    3
    down vote

    favorite












    Is there any command in Ubuntu to detect an HDMI monitor? I have tried ddclient but it's not working.



    The command I tried:



    ddclient -p m/> Power control/









    share|improve this question


























      up vote
      3
      down vote

      favorite









      up vote
      3
      down vote

      favorite











      Is there any command in Ubuntu to detect an HDMI monitor? I have tried ddclient but it's not working.



      The command I tried:



      ddclient -p m/> Power control/









      share|improve this question















      Is there any command in Ubuntu to detect an HDMI monitor? I have tried ddclient but it's not working.



      The command I tried:



      ddclient -p m/> Power control/






      ubuntu hdmi






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited May 17 at 9:40









      Aaron

      638




      638










      asked Aug 12 '16 at 11:59









      Bhumi Shah

      1337




      1337






















          1 Answer
          1






          active

          oldest

          votes

















          up vote
          0
          down vote













          Did you try to use arandr? disconnect HDMI and type sudo apt-get install arandr - reconnect HDMI and check how that works?






          share|improve this answer





















          • i tried xrandr and this is working but i don't understand difference between xrandr and ddclient.
            – Bhumi Shah
            Aug 12 '16 at 12:44










          • @BhumiShah ddclient is a client for dynamic DNS services, it has nothing to do with monitors... Were you by any chance looking for ddccontrol?
            – Stephen Kitt
            Aug 12 '16 at 14:01











          Your Answer








          StackExchange.ready(function() {
          var channelOptions = {
          tags: "".split(" "),
          id: "106"
          };
          initTagRenderer("".split(" "), "".split(" "), channelOptions);

          StackExchange.using("externalEditor", function() {
          // Have to fire editor after snippets, if snippets enabled
          if (StackExchange.settings.snippets.snippetsEnabled) {
          StackExchange.using("snippets", function() {
          createEditor();
          });
          }
          else {
          createEditor();
          }
          });

          function createEditor() {
          StackExchange.prepareEditor({
          heartbeatType: 'answer',
          convertImagesToLinks: false,
          noModals: true,
          showLowRepImageUploadWarning: true,
          reputationToPostImages: null,
          bindNavPrevention: true,
          postfix: "",
          imageUploader: {
          brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
          contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
          allowUrls: true
          },
          onDemand: true,
          discardSelector: ".discard-answer"
          ,immediatelyShowMarkdownHelp:true
          });


          }
          });














          draft saved

          draft discarded


















          StackExchange.ready(
          function () {
          StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f302995%2fhow-to-detect-if-hdmi-monitor-is-switched-off-in-ubuntu%23new-answer', 'question_page');
          }
          );

          Post as a guest















          Required, but never shown

























          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes








          up vote
          0
          down vote













          Did you try to use arandr? disconnect HDMI and type sudo apt-get install arandr - reconnect HDMI and check how that works?






          share|improve this answer





















          • i tried xrandr and this is working but i don't understand difference between xrandr and ddclient.
            – Bhumi Shah
            Aug 12 '16 at 12:44










          • @BhumiShah ddclient is a client for dynamic DNS services, it has nothing to do with monitors... Were you by any chance looking for ddccontrol?
            – Stephen Kitt
            Aug 12 '16 at 14:01















          up vote
          0
          down vote













          Did you try to use arandr? disconnect HDMI and type sudo apt-get install arandr - reconnect HDMI and check how that works?






          share|improve this answer





















          • i tried xrandr and this is working but i don't understand difference between xrandr and ddclient.
            – Bhumi Shah
            Aug 12 '16 at 12:44










          • @BhumiShah ddclient is a client for dynamic DNS services, it has nothing to do with monitors... Were you by any chance looking for ddccontrol?
            – Stephen Kitt
            Aug 12 '16 at 14:01













          up vote
          0
          down vote










          up vote
          0
          down vote









          Did you try to use arandr? disconnect HDMI and type sudo apt-get install arandr - reconnect HDMI and check how that works?






          share|improve this answer












          Did you try to use arandr? disconnect HDMI and type sudo apt-get install arandr - reconnect HDMI and check how that works?







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Aug 12 '16 at 12:40









          lorddy

          211




          211












          • i tried xrandr and this is working but i don't understand difference between xrandr and ddclient.
            – Bhumi Shah
            Aug 12 '16 at 12:44










          • @BhumiShah ddclient is a client for dynamic DNS services, it has nothing to do with monitors... Were you by any chance looking for ddccontrol?
            – Stephen Kitt
            Aug 12 '16 at 14:01


















          • i tried xrandr and this is working but i don't understand difference between xrandr and ddclient.
            – Bhumi Shah
            Aug 12 '16 at 12:44










          • @BhumiShah ddclient is a client for dynamic DNS services, it has nothing to do with monitors... Were you by any chance looking for ddccontrol?
            – Stephen Kitt
            Aug 12 '16 at 14:01
















          i tried xrandr and this is working but i don't understand difference between xrandr and ddclient.
          – Bhumi Shah
          Aug 12 '16 at 12:44




          i tried xrandr and this is working but i don't understand difference between xrandr and ddclient.
          – Bhumi Shah
          Aug 12 '16 at 12:44












          @BhumiShah ddclient is a client for dynamic DNS services, it has nothing to do with monitors... Were you by any chance looking for ddccontrol?
          – Stephen Kitt
          Aug 12 '16 at 14:01




          @BhumiShah ddclient is a client for dynamic DNS services, it has nothing to do with monitors... Were you by any chance looking for ddccontrol?
          – Stephen Kitt
          Aug 12 '16 at 14:01


















          draft saved

          draft discarded




















































          Thanks for contributing an answer to Unix & Linux Stack Exchange!


          • Please be sure to answer the question. Provide details and share your research!

          But avoid



          • Asking for help, clarification, or responding to other answers.

          • Making statements based on opinion; back them up with references or personal experience.


          To learn more, see our tips on writing great answers.





          Some of your past answers have not been well-received, and you're in danger of being blocked from answering.


          Please pay close attention to the following guidance:


          • Please be sure to answer the question. Provide details and share your research!

          But avoid



          • Asking for help, clarification, or responding to other answers.

          • Making statements based on opinion; back them up with references or personal experience.


          To learn more, see our tips on writing great answers.




          draft saved


          draft discarded














          StackExchange.ready(
          function () {
          StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f302995%2fhow-to-detect-if-hdmi-monitor-is-switched-off-in-ubuntu%23new-answer', 'question_page');
          }
          );

          Post as a guest















          Required, but never shown





















































          Required, but never shown














          Required, but never shown












          Required, but never shown







          Required, but never shown

































          Required, but never shown














          Required, but never shown












          Required, but never shown







          Required, but never shown







          Popular posts from this blog

          サソリ

          広島県道265号伴広島線

          Setup Asymptote in Texstudio