Usage of chkconfig command

To view the status of the the services in all runlevels
 
[root@localhost ~]# chkconfig --list

To view the status of the Particular services.
For example Bluetooth


[root@localhost ~]# chkconfig --list bluetooth
bluetooth       0:off   1:off   2:off   3:off   4:off   5:off   6:off

To put the service at all runlevel as on

[root@localhost ~]# chkconfig bluetooth on

To view the status

[root@localhost ~]# chkconfig --list bluetooth
bluetooth       0:off   1:off   2:on    3:on    4:on    5:on    6:off

To put the service at all runlevel as off


[root@localhost ~]# chkconfig bluetooth off

To view the status

[root@localhost ~]# chkconfig --list bluetooth
bluetooth       0:off   1:off   2:off   3:off   4:off   5:off   6:off


To manually stop the service

[root@localhost ~]# service bluetooth stop
Stopping Bluetooth services:                               [  OK  ]

To Manually start the service

[root@localhost ~]# service bluetooth start
Starting Bluetooth services:                               [  OK  ]


To Manually restart the service

[root@localhost ~]# service bluetooth restart
Stopping Bluetooth services:                               [  OK  ]
Starting Bluetooth services:                               [  OK  ]