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    Linux - Run Script after reboot

    Scheduled Pinned Locked Moved IT Discussion
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    • DustinB3403D
      DustinB3403 @thwr
      last edited by

      @thwr said in Linux - Run Script after reboot:

      @DustinB3403 said in Linux - Run Script after reboot:

      What distro are you using?

      The question should be: which cron? vixie, anacron, fcron or systemd maybe?

      I suppose, the distro should have given us that info though.

      1 Reply Last reply Reply Quote 1
      • DanpD
        Danp @thwr
        last edited by

        @thwr said in Linux - Run Script after reboot:

        The question should be: which cron? vixie, anacron, fcron or systemd maybe?

        @hobbit666 said in Linux - Run Script after reboot:

        Doesn't seem to be working.

        systemctl status crond.service

        I would assume systemd based on the above.

        1 Reply Last reply Reply Quote 1
        • DanpD
          Danp
          last edited by

          Reboot again and then post the output of journalctl -u cron -n 25.

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          • DanpD
            Danp @hobbit666
            last edited by

            @hobbit666 said in Linux - Run Script after reboot:

            added the line

            @reboot /home/set-up.sh

            but when I reboot and log back in as root nothing 😞 guess i'm missing something

            Have you verified that the script can be run manually (have you set 'execute' permission)?

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            • travisdh1T
              travisdh1 @hobbit666
              last edited by

              @hobbit666 said in Linux - Run Script after reboot:

              Doesn't seem to be working.

              systemctl status crond.service

              shows cron is running.

              crontab -e

              added the line

              @reboot /home/set-up.sh

              but when I reboot and log back in as root nothing 😞 guess i'm missing something

              I doubt /home/set-up.sh is the correct path, if it is, you need to create more users! Or did you mean /root/set-up.sh?

              DanpD 1 Reply Last reply Reply Quote 0
              • DanpD
                Danp @travisdh1
                last edited by

                @travisdh1 Good eye. In the OP, he indicated /tmp, not /home.

                J 1 Reply Last reply Reply Quote 2
                • scottalanmillerS
                  scottalanmiller @thwr
                  last edited by

                  @thwr said in Linux - Run Script after reboot:

                  @hobbit666 said in Linux - Run Script after reboot:

                  Doesn't seem to be working.

                  systemctl status crond.service

                  shows cron is running.

                  crontab -e

                  added the line

                  @reboot /home/set-up.sh

                  but when I reboot and log back in as root nothing 😞 guess i'm missing something

                  Not every cron implementation supports @reboot states.

                  But all on available Linux do.

                  1 Reply Last reply Reply Quote 0
                  • hobbit666H
                    hobbit666
                    last edited by

                    Yes script runs and does what I want. I should of mentioned it has some prompts for user input.
                    It's a script to basically set-up networking on CentOS7 for basic IT Staff on new VM's so they don't have to edit the files direct.

                    So I idea is once CentOS is installed add the script to start on next boot, shut the VM down then use it to clone new ones. As it will ask for hostname and static IP.

                    scottalanmillerS thwrT 2 Replies Last reply Reply Quote 0
                    • scottalanmillerS
                      scottalanmiller @hobbit666
                      last edited by

                      @hobbit666 said in Linux - Run Script after reboot:

                      So I idea is once CentOS is installed add the script to start on next boot, shut the VM down then use it to clone new ones. As it will ask for hostname and static IP.

                      Interesting idea. Does it force it, or just remind to do it?

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                      • J
                        Jstear @Danp
                        last edited by

                        @Danp said in Linux - Run Script after reboot:

                        @travisdh1 Good eye. In the OP, he indicated /tmp, not /home.

                        I'm with these two. Are you 100% you have the correct path?

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                        • scottalanmillerS
                          scottalanmiller
                          last edited by

                          I might implement a script like this. Care to share the script itself?

                          hobbit666H 1 Reply Last reply Reply Quote 0
                          • thwrT
                            thwr @hobbit666
                            last edited by

                            @hobbit666 said in Linux - Run Script after reboot:

                            So I idea is once CentOS is installed add the script to start on next boot, shut the VM down then use it to clone new ones. As it will ask for hostname and static IP.

                            You could also use something like Ansible instead

                            1 Reply Last reply Reply Quote 1
                            • J
                              Jstear
                              last edited by

                              This post is deleted!
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                              • hobbit666H
                                hobbit666 @scottalanmiller
                                last edited by

                                @scottalanmiller said in Linux - Run Script after reboot:

                                I might implement a script like this. Care to share the script itself?

                                Not back in till Wednesday but it's a simple one so far

                                Asks for a hostname on a prompt and runs hostnamectl
                                Then asks for ip to assign and runs a few sed commands to edit the cfg-eth0 file.

                                So the main idea is to run the command/script when root logs in next.

                                1 Reply Last reply Reply Quote 1
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