Linux systemd startup and process monitoring
Links systemd bootup flow
- User startup scripts in
- $ ls /etc/systemd/system/
- $
Test new systemd unit file .e.g. azure-swapfile.service
- systemd-analyze verify azure-swapfile.service
View process logs with jounalctl
Links digitalocean
- Set timezone for log display using
- $ timedatectl list-timezones
- $ sudo timedatectl set-timezone zone
- $ timedatectl status
- only logs for current boot / since last reboot
- $ journalctl -b
- $ journalctl --list-boots
- $ journalctl --since "2015-01-10" --until "2015-01-11 03:00"
- $ journalctl --since 09:00 --until "1 hour ago"
- journalctl -u nginx.service -u php-fpm.service --since today
Refresh filesystems after updating /etc/fstab
- # systemctl daemon-reload
- # systemctl restart remote-fs.target
- # systemctl restart local-fs.target
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