Initial Settings : Configure Services2025/08/11 |
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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>
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 >
getty@tty1.service loaded active running Getty on tty1
.....
.....
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.
33 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 apt-daily-upgrade.service static - apt-daily.service static - apt-listchanges.service static - autovt@.service alias - blk-availability.service enabled enabled capsule@.service static - console-getty.service disabled disabled console-setup.service enabled enabled container-getty@.service static - cron.service enabled enabled ..... ..... wtmpdb-rotate.service static - wtmpdb-update-boot.service enabled enabled x11-common.service masked enabled 149 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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