Systemd systemctl

Example

• cat /etc/systemd/system/chat.service

[Unit]
Description=chat service
After=network.target syslog.target

[Service]
Type=simple
ExecStart=/bin/bash -c "/bin/netcat -l -p 3333 > /tmp/chat.log"
User=root

[Install]
WantedBy=multi-user.target

Systemctl

Reload

• systemctl daemon-reload

Start

• systemctl start chat.service

Stop

• systemctl stop chat.service

Enable

• systemctl enable chat.service

Created symlink from /etc/systemd/system/multi-user.target.wants/chat.service to /etc/systemd/system/chat.service.

Disable

• systemctl disable chat.service

Removed symlink /etc/systemd/system/multi-user.target.wants/chat.service.

Reload

• systemctl reload

Restart

• systemctl restart

Is enabled

• systemctl is-enabled chat.service

disabled

aktivieren/deaktivieren systemstart

• systemctl enable
• systemctl disable
• systemctl is-enabled

service steuern

• systemctl start
• systemctl stop
• systemctl status

service files anzeigen

• systemctl list-units
• systemctl list-unit-files
• systemctl --failed

rechner herunterfahren

• systemctl isolate halt
• systemctl poweroff
• systemctl suspend
• systemctl hibernate