Difference between revisions of "Systemd"
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=== Start/stop/status === | === Start/stop/status === | ||
| − | + | ||
sudo systemctl start iro_get_chains.service | sudo systemctl start iro_get_chains.service | ||
sudo systemctl status iro_get_chains.service | sudo systemctl status iro_get_chains.service | ||
| + | |||
| + | === Trash === | ||
| + | service --status-all # does not work! | ||
=== Read logs === | === Read logs === | ||
| − | + | journalctl -u stockwatcher.service | |
| − | + | journalctl -u nginx.service | |
| + | journalctl -u iro_alert_stocks -n 100 -f | ||
| + | |||
| + | Limit how much logs journalctl keeps: | ||
| + | |||
| + | journalctl --vacuum-time=2d | ||
| + | journalctl --vacuum-size=500M | ||
=== Example service definition === | === Example service definition === | ||
Latest revision as of 04:59, 1 February 2024
they are in /etc/systemd/system/multi-user.target.wants
Start/stop/status
sudo systemctl start iro_get_chains.service sudo systemctl status iro_get_chains.service
Trash
service --status-all # does not work!
Read logs
journalctl -u stockwatcher.service journalctl -u nginx.service journalctl -u iro_alert_stocks -n 100 -f
Limit how much logs journalctl keeps:
journalctl --vacuum-time=2d journalctl --vacuum-size=500M
Example service definition
This is not up to date - look in the access repo pi/readme
[Unit] Description=watch stocks [Service] Type=forking WorkingDirectory=/home/ubuntu/projects/microsites3a/current ExecStart=/home/ubuntu/.rbenv/shims/bundle exec rake ish_manager:stockwatcher ExecStop=/bin/echo nothing Restart=on-failure Environment=RAILS_ENV=production Environment=GMAIL_DOMAIN=gmail.com Environment=GMAIL_USERNAME=<numeric-email> Environment=GMAIL_PASSWORD=<password> [Install] WantedBy=multi-user.target
