chkconfig command

LINUX-Frequently used commands

chkconfig command Control service registration, deletion, and service startup.
Syntax
chkconfig  [Option]  [Service-name]
The chkconfig command is used to list the services that Linux starts when the system boots, and to register, delete, and start services on a run-level basis.
The chkconfig command lists the services that Linux starts when the system boots, registers and deletes services, and finely controls the starting of services at each run level.
In addition, super user (root) privileges are required to execute the chkconfig command.
Frequently used options
–list   Lists services.
–add  Registers a service.
–del   Deletes a service.
-h       Display help for the chkconfig command.
-v       Displays the version of the chkconfig command.
–level [runlevel] [service name]     Sets the service on/off for each runlevel.
Example: List the services.
# chkconfig –-list   ← Display the list of services
NetworkManager 0:off 1:off 2:on 3:on 4:on 5:on 6:off
abrt-ccpp 0:off 1:off 2:off 3:on 4:off 5:on 6:off
abrt-oops 0:off 1:off 2:off 3:on 4:off 5:on 6:off ・・・
Example: Register service
# chkconfig –add proftpd
Example: Delete the service
# chkconfig –del proftpd
Example: Set the service on/off for each run level. 
# chkconfig –level 2345 netfs off
# chkconfig –level 2345 netfs on
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