Difference between revisions of "Systemctl"
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↑ https://www.freedesktop.org/software/systemd/man/systemctl.html
↑ https://www.linuxtrainingacademy.com/systemd-cheat-sheet/
↑ https://wiki.ubuntu.com/DebuggingSystemd
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* Read Why are reboot, shutdown and poweroff symlinks to systemctl?: https://unix.stackexchange.com/questions/77029/why-are-reboot-shutdown-and-poweroff-symlinks-to-systemctl/77030#77030 | * Read Why are reboot, shutdown and poweroff symlinks to systemctl?: https://unix.stackexchange.com/questions/77029/why-are-reboot-shutdown-and-poweroff-symlinks-to-systemctl/77030#77030 | ||
* Create a service that restart on-failure. https://superuser.com/questions/507576/how-to-automatically-restart-a-linux-background-process-if-it-fails | * Create a service that restart on-failure. https://superuser.com/questions/507576/how-to-automatically-restart-a-linux-background-process-if-it-fails | ||
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| + | == Related terms == | ||
| + | * <code>[[brew services]]</code> | ||
== See also == | == See also == | ||
Revision as of 17:01, 22 October 2020
systemctl command is used to control the systemd system and service manager.[1]
Services configuration directory:
/etc/systemd/system/ sshd.service
Basic Usage
systemctl statusorsystemctl status SERVICE_NAMEsystemctl stopSERVICE_NAMEsystemctl startSERVICE_NAMEsystemctl restartSERVICE_NAMEsystemctl reloadSERVICE_NAMEsystemctl cat SERVICE_NAMEorsystemctl cat SERVICE_NAME.servicesystemctl list-timerssystemctl list-unitssystemctl list-units --allsystemctl list-units --failedsystemctl list-units --type=service
- List services:
systemctl list-unit-files[2]systemctl list-unit-files --state=enabled
- List services enabled:
systemctl list-unit-files --state=enabled - Show properties:
systemctl show sshd.service - View dependencies:
systemctl list-dependencies sshd.service - Creating new services in:
/etc/systemd/system/https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrators_guide/sect-managing_services_with_systemd-unit_files systemctl -t mountsystemctl list-units -t mountsystemctl enable FS_UNIT_NAME.mountsudo systemctl enable --now snapd.socketsystemctl disable SERVICE_NAMEsystemctl --type swapsystemctl daemon-reloadsystemctl unmask
Activities
Basic
- Read systemd Cheat-sheet: https://www.linuxtrainingacademy.com/systemd-cheat-sheet/
- Enable or disable Automatic updates in your Ubuntu machine
Advanced
- Read Why are reboot, shutdown and poweroff symlinks to systemctl?: https://unix.stackexchange.com/questions/77029/why-are-reboot-shutdown-and-poweroff-symlinks-to-systemctl/77030#77030
- Create a service that restart on-failure. https://superuser.com/questions/507576/how-to-automatically-restart-a-linux-background-process-if-it-fails
Related terms
See also
- Systemd:
systemctl,systemd-journald,journalctlsystemd-cat,systemd-logind,systemd-networkd:networkctl,systemd-timesyncd,systemd-resolved,systemd-udevd[3],Systemd-logind: loginctl,hostnamectl,udevadm,systemd-run,portablectl,systemd-nspawn, systemd resource management, Timer (systemd), systemd logs,/etc/systemd/, systemd services,systemd-mount,/run/systemd/,.service,/usr/lib/systemd/,/usr/lib/systemd/system/,/usr/lib/systemd/system/systemd-resolved.service,/lib/systemd/, machinectl, systemd-oomd, systemd-analyze - Systemd services:
systemctl[status | is-active | start | daemon-reload | stop | mask|reload|restart|reboot|enable|disable|cat],systemctl list-units,systemctl list-timers,systemctl --failed,systemctl get-default,systemctl --help,.service, .timer, .socket,systemctl restart elasticsearch.service,systemctl status apt-daily,systemctl status oscapd - KVM services
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