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/
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+ | {{lowercase}} | ||
<code>[[wikipedia:https://en.wikipedia.org/wiki/Systemd#Core_components_and_libraries|systemctl]]</code> command is used to control the [[systemd]] system and service manager.<ref>https://www.freedesktop.org/software/systemd/man/systemctl.html</ref> | <code>[[wikipedia:https://en.wikipedia.org/wiki/Systemd#Core_components_and_libraries|systemctl]]</code> command is used to control the [[systemd]] system and service manager.<ref>https://www.freedesktop.org/software/systemd/man/systemctl.html</ref> | ||
+ | |||
+ | [[Services]] configuration directory: | ||
+ | [[/etc/systemd/]]system/ | ||
+ | [[sshd.service]] | ||
+ | |||
== Basic Usage == | == Basic Usage == | ||
− | * <code>[[systemctl status]]</code> SERVICE_NAME | + | * <code>[[systemctl status]]</code> or <code>[[systemctl status]] SERVICE_NAME</code> |
* <code>[[systemctl stop]]</code> SERVICE_NAME | * <code>[[systemctl stop]]</code> SERVICE_NAME | ||
+ | * <code>[[systemctl start]]</code> SERVICE_NAME | ||
* <code>[[systemctl restart]]</code> SERVICE_NAME | * <code>[[systemctl restart]]</code> SERVICE_NAME | ||
+ | * <code>[[systemctl reload]]</code> SERVICE_NAME | ||
* <code>[[systemctl cat]] SERVICE_NAME</code> or <code>[[systemctl cat]] SERVICE_NAME.service</code> | * <code>[[systemctl cat]] SERVICE_NAME</code> or <code>[[systemctl cat]] SERVICE_NAME.service</code> | ||
* <code>[[systemctl list-timers]]</code> | * <code>[[systemctl list-timers]]</code> | ||
− | * <code>systemctl list-units</code> | + | * <code>[[systemctl list-units]]</code> |
** <code>systemctl list-units --all</code> | ** <code>systemctl list-units --all</code> | ||
** <code>systemctl list-units --failed</code> | ** <code>systemctl list-units --failed</code> | ||
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** <code>[[systemctl list-unit-files]] --state=enabled</code> | ** <code>[[systemctl list-unit-files]] --state=enabled</code> | ||
* List services enabled: <code>systemctl list-unit-files --state=enabled</code> | * List services enabled: <code>systemctl list-unit-files --state=enabled</code> | ||
− | * Show properties: <code>systemctl show sshd.service</code> | + | * Show properties: |
+ | ** <code>[[systemctl show]] sshd.service</code> | ||
* View dependencies: <code>systemctl list-dependencies sshd.service</code> | * View dependencies: <code>systemctl list-dependencies sshd.service</code> | ||
* Creating new services in: <code>/etc/systemd/system/</code> https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrators_guide/sect-managing_services_with_systemd-unit_files | * Creating new services in: <code>/etc/systemd/system/</code> https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrators_guide/sect-managing_services_with_systemd-unit_files | ||
− | * <code>systemctl -t mount</code> | + | * <code>[[systemctl -t]] mount</code> |
− | * <code>systemctl list-units | + | * <code>[[systemctl list-units]] -t mount</code> |
− | * <code>systemctl enable FS_UNIT_NAME.mount</code> | + | * <code>[[systemctl enable]] FS_UNIT_NAME.mount</code> |
− | * <code> | + | * <code>[[systemctl enable]] --now [[snap]]d.socket</code> |
− | * <code>systemctl disable SERVICE_NAME</code> | + | * <code>[[systemctl disable]] SERVICE_NAME</code> |
+ | * <code>[[systemctl --type swap]]</code> | ||
+ | * <code>[[systemctl daemon-reload]]</code> | ||
+ | * <code>[[systemctl unmask]]</code> | ||
== Activities == | == Activities == | ||
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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 | ||
+ | |||
+ | |||
+ | == Related terms == | ||
+ | * <code>[[brew services]]</code> | ||
== See also == | == See also == | ||
− | * {{ | + | * {{systemctl list}} |
* {{systemctl}} | * {{systemctl}} | ||
* [[KVM services]] | * [[KVM services]] | ||
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[[Category:Linux]] | [[Category:Linux]] | ||
[[Category:systemd]] | [[Category:systemd]] | ||
+ | [[Category:systemctl]] |
Latest revision as of 23:36, 15 September 2021
systemctl
command is used to control the systemd system and service manager.[1]
Services configuration directory:
/etc/systemd/system/ sshd.service
Basic Usage[edit]
systemctl status
orsystemctl status SERVICE_NAME
systemctl stop
SERVICE_NAMEsystemctl start
SERVICE_NAMEsystemctl restart
SERVICE_NAMEsystemctl reload
SERVICE_NAMEsystemctl cat SERVICE_NAME
orsystemctl cat SERVICE_NAME.service
systemctl list-timers
systemctl list-units
systemctl list-units --all
systemctl list-units --failed
systemctl 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 mount
systemctl list-units -t mount
systemctl enable FS_UNIT_NAME.mount
systemctl enable --now snapd.socket
systemctl disable SERVICE_NAME
systemctl --type swap
systemctl daemon-reload
systemctl unmask
Activities[edit]
Basic[edit]
- Read systemd Cheat-sheet: https://www.linuxtrainingacademy.com/systemd-cheat-sheet/
- Enable or disable Automatic updates in your Ubuntu machine
Advanced[edit]
- 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[edit]
See also[edit]
systemctl [ list-dependencies | list-jobs | list-machines | list-sockets | list-timers | list-unit-files | list-units | list-machines ]
- 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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