Initial Settings : Services2015/01/07 |
| [1] | It's possible to make sure services' status like follows. |
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# display the list of services which are running [root@dlp ~]# systemctl -t service UNIT LOAD ACTIVE SUB DESCRIPTION auditd.service loaded active running Security Auditing Service avahi-daemon.service loaded active running Avahi mDNS/DNS-SD Stack crond.service loaded active running Command Scheduler dbus.service loaded active running D-Bus System Message Bus getty@tty1.service loaded active running Getty on tty1 ... ... ... systemd-udevd.service loaded active running udev Kernel Device Manager systemd-update-utmp.service loaded active exited Update UTMP about System Reboot/Shutdown systemd-user-sessions.service loaded active exited Permit User Sessions systemd-vconsole-setup.service loaded active exited Setup Virtual Console tuned.service loaded active running Dynamic System Tuning Daemon 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. 39 loaded units listed. Pass --all to see loaded but inactive units, too. To show all installed unit files use 'systemctl list-unit-files'. # the list of all services [root@dlp ~]# systemctl list-unit-files -t service UNIT FILE STATE auditd.service enabled autovt@.service disabled avahi-daemon.service enabled blk-availability.service disabled brandbot.service static ... ... ... systemd-user-sessions.service static systemd-vconsole-setup.service static teamd@.service static tuned.service enabled wpa_supplicant.service disabled 125 unit files listed. |
| [2] | Stop and turn OFF auto-start setting for a service if you don'd need it. (it's smartd as an example below) |
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[root@dlp ~]# systemctl stop postfix [root@dlp ~]# systemctl disable postfix rm '/etc/systemd/system/multi-user.target.wants/postfix.service' |
| [3] | There are some SysV services yet. Those are controled by chkconfig like follows. |
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[root@dlp ~]# chkconfig --list
Note: This output shows SysV services only and does not include native
systemd services. SysV configuration data might be overridden by native
systemd configuration.
If you want to list systemd services use 'systemctl list-unit-files'.
To see services enabled on particular target use
'systemctl list-dependencies [target]'.
iprdump 0:off 1:off 2:on 3:on 4:on 5:on 6:off
iprinit 0:off 1:off 2:on 3:on 4:on 5:on 6:off
iprupdate 0:off 1:off 2:on 3:on 4:on 5:on 6:off
netconsole 0:off 1:off 2:off 3:off 4:off 5:off 6:off
network 0:off 1:off 2:on 3:on 4:on 5:on 6:off
# for example, turn OFF auto-start setting for netconsole [root@dlp ~]# chkconfig netconsole off |
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