Table of Contents Services Status Activate/Deactivate Create your own service

Get all services: sudo systemctl status

Search service: systemctl status | grep <SERVICE_NAME> , will give you .service

Eg. systemctl status | grep clam

             ├─clamav-daemon.service 
             │ └─1646 /usr/sbin/clamd --foreground=true
             ├─clamav-freshclam.service 
             │ └─2301 /usr/bin/freshclam -d --foreground=true

You have 2 services:

• clamav-clamd
• clamav-freshclam

Get a service'status: systemctl status <SERVICE_NAME>

Get log:

• get service log: journalctl -u <SERVICE_NAME> -b , eg. journalctl -u snap.docker.dockerd.service -b
• get list on fs: /etc/systemd/system/multi-user.target.wants/<SERVICE-NAME>, eg. snap.docker.dockerd.service

Deactivate:

• in this session: sudo systemctl stop <SERVICE_NAME>, eg sudo systemctl stop postgresql@12-main
• on next startup: sudo systemctl disable <SERVICE_NAME>
• forever:

Warning: Postgresql will recreate a service at startup based on start.conf file, so you need to alter this one instead of using systemctl see here

Activate:

• in this session: sudo systemctl start <SERVICE_NAME>
• on next startup: sudo systemctl enable <SERVICE-NAME>

More on service restart

create a service