Initial Settings : Service Settings2025/04/18 |
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To see services status or enable/disable services, Configure like follows. |
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| [1] | Display services. |
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# display services which are running # to add [--all], display all included inactive servises # to add [--no-pager], do not use pagers like [less/more] root@localhost:~# systemctl -t service
UNIT LOAD ACTIVE SUB DESCRIPTION
apparmor.service loaded active exited Load AppArmor
apport.service loaded active exited automatic cra
blk-availability.service loaded active exited Availability
console-setup.service loaded active exited Set console f
cron.service loaded active running Regular backg
dbus.service loaded active running D-Bus System
finalrd.service loaded active exited Create final
getty@tty1.service loaded active running Getty on tty1
kdump-tools.service loaded active exited Kernel crash
keyboard-setup.service loaded active exited Set the conso
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Legend: LOAD → Reflects whether the unit definition was properly loaded.
ACTIVE → The high-level unit activation state, i.e. generalization of SUB.
SUB → The low-level unit activation state, values depend on unit type.
50 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.
# display list of all services' setting root@localhost:~# systemctl list-unit-files -t service UNIT FILE STATE PRESET apparmor.service enabled enabled apport-autoreport.service static - apport-coredump-hook@.service static - apport-forward@.service static - apport.service enabled enabled apt-daily-upgrade.service static - apt-daily.service static - apt-news.service static - autovt@.service alias - blk-availability.service enabled enabled ..... ..... xfs_scrub_fail@.service static - xfs_scrub_media@.service static - xfs_scrub_media_fail@.service static - 251 unit files listed. |
| [2] | If there are some unnecessary services, it's possible to Stop and turn OFF auto-start setting like follows. (possible to omit [.service] words) |
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root@localhost:~# systemctl stop apparmor root@localhost:~# systemctl disable apparmor |
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