i want to create a autostart script that starts whenever the server starts.
mkdir /scripts vim /scripts/start.sh #!/bin/bash echo "========= starting up docker service" systemctl start docker echo "========= starting up docker containers" docker start containername vim /scripts/stop.sh #!/bin/bash echo "========= stop all docker containers" docker stop $(docker ps -q); # stop all running containers echo "========= stop docker service" systemctl stop docker vim /etc/systemd/system/onboot.service # fill with [Unit] Description=onboot After=network.target [Service] Type=simple User=root WorkingDirectory=/scripts ExecStart=/scripts/start.sh Restart=on-abort [Install] WantedBy=multi-user.target # :wq save and quit # test service systemctl status onboot ● onboot.service - onboot Loaded: loaded (/usr/lib/systemd/system/onboot.service; enabled; vendor preset: disabled) Active: inactive (dead) # test start systemctl start onboot ● onboot.service - onboot Loaded: loaded (/usr/lib/systemd/system/onboot.service; enabled; vendor preset: disabled) Active: failed (Result: exit-code) since Thu 2018-08-09 18:36:01 CEST; 3s ago Process: 7594 ExecStop=/scipt/stop.sh (code=exited, status=203/EXEC) <- typo Process: 7592 ExecStart=/scipt/start.sh (code=exited, status=203/EXEC) Main PID: 7592 (code=exited, status=203/EXEC) Aug 09 18:36:01 dwaves.org systemd: Started onboot. Aug 09 18:36:01 dwaves.org systemd: Starting onboot... Aug 09 18:36:01 dwaves.org systemd: onboot.service: main process exited, code=exited, status=203/EXEC Aug 09 18:36:01 dwaves.org systemd: onboot.service: control process exited, code=exited status=203 Aug 09 18:36:01 dwaves.org systemd: Unit onboot.service entered failed state. Aug 09 18:36:01 dwaves.org systemd: onboot.service failed. # examine the problem journalctl -xeu onboot.service -- Unit onboot.service has begun starting up. Aug 09 18:39:01 dwaves.org systemd: Failed at step EXEC spawning /scipt/start.sh: No such file or directory -- Subject: Process /scipt/start.sh could not be executed # fix error and try again systemctl start onboot # no output = good, no error # get status, this is what we want systemctl status onboot # if you are happy with the result # make it permanent systemctl enable onboot Created symlink from /etc/systemd/system/multi-user.target.wants/onboot.service to /etc/systemd/system/onboot.service. # time to test a reboot reboot # after reboot your service should be running docker ps -a; # lists all installed docker containers # one also wants a graceful as possible shutdown/reboot # instead of writing a service file i just use reboot script vim /scripts/reboot.sh # fill with /scripts/stop.sh; reboot; # this at least is easy works reliable X-D # but yes it is not very graceful if undocumented
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