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    Ubuntu Linux agent instructions

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    • ?
      A Former User @Russ
      last edited by

      @Russ I have this installed and functional on a Debian 10 Raspberry Pi. The default commands work great, as well as a custom one that triggers a bash script that sends a WOL command to my PC.

      Question for you: Does triggercmd run the script as root, or as the user with elevated privileges via sudo?

      RussR 1 Reply Last reply Reply Quote 0
      • RussR
        Russ @A Former User
        last edited by

        @Tim-Manochehri, it runs them as root. If you run this command you'll see that the agent runs as root, and the agent runs the commands:

        ps -ef | grep triggercmdagent
        

        Russell VanderMey

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        • Daniel MachínD
          Daniel Machín
          last edited by

          Hi,

          I have followed the instructions in a headless Ubuntu, getting some errors:

          dpkg: error al procesar el paquete triggercmdagent (--install):
          installed triggercmdagent package post-installation script subprocess returned error exit status 127

          Triggercmd is installed but now, every time I try to apt upgrade it tries to reinstall triggercmd...

          Is this the normal behaviour?

          RussR 1 Reply Last reply Reply Quote 0
          • RussR
            Russ @Daniel Machín
            last edited by Russ

            @Daniel-Machín, that's not normal. I'd like to try to reproduce that problem and fix it. Can you tell me the commands you ran, and which specific operating system you installed it on? You wrote "headless" so I understand you did not install X-Windows on it.

            Russell VanderMey

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            • Daniel MachínD
              Daniel Machín
              last edited by Daniel Machín

              Hi Russ,

              Thanks for your reply!

              System is an Ubuntu 18.04.5 LTS (bionic) without X-Windows

              Anyway, I finally managed to make it work. Issue was dependencies:

              apt install npm
              

              solved the problem

              Perhaps, including npm as a dependency within .deb package could solve potential future issues (currently, only nodejs is a dependency):

              daniel@servidor:~$ sudo apt-cache depends triggercmdagent
              triggercmdagent
                Depende: nodejs
              

              Thanks!
              Daniel

              RussR 1 Reply Last reply Reply Quote 0
              • RussR
                Russ @Daniel Machín
                last edited by

                Thanks @Daniel-Machín. Good call. I'll add that.

                https://github.com/rvmey/TRIGGERcmd-Agent/blob/master/ubuntupackage.json#L52

                Russell VanderMey

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                • P
                  Pr0k0 @Russ
                  last edited by

                  @Russ One question does the agent automatically open in Linux at startup like windows? Because every time I boot I need to open it manually and it does not start up automatically. I followed the installation steps above, uninstalled, installed again but the same problem.... in windows and raspberry it is working fine with no issues... Do i need to install with no UI in Linux like raspberry??

                  RussR 1 Reply Last reply Reply Quote 0
                  • RussR
                    Russ @Pr0k0
                    last edited by Russ

                    @Pr0k0, the foreground Linux agents do not run automatically in X-Windows. I researched it but couldn't find a standard way to do that. If you install the background service, that will start during boot, but you'll need to make set the "ground" field in your commands.json file to "background" instead of "foreground" because the background agent adds/removes/runs background commands.

                    Russell VanderMey

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                    • P
                      Pr0k0 @Russ
                      last edited by

                      @Russ thnx for the reply, i understand, i tried to make a .sh file to execute the application in a cronjob when boot but it does not start......i cannot understand why, if execute manually the sh file starts normally, i also tried to create a service with some name pointing to the file.....service is active but again in boot, it does not start... the problem is because in the foreground i can make routines and not need to say the computer name everytime....that's why the foreground is helpful...the background service is not visible in the Home Skills so i cannot make a routine. Anyway thanks again for the reply.

                      RussR 1 Reply Last reply Reply Quote 0
                      • RussR
                        Russ @Pr0k0
                        last edited by Russ

                        @Pr0k0, background commands should show up as Alexa Smart Home devices, just like foreground commands, so I wonder if you didn't install the background service yet. This command should it:

                        sudo sh /usr/lib/triggercmdagent/resources/app/src/installdaemon.sh
                        

                        Russell VanderMey

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