Shulou(Shulou.com)06/02 Report--

Set Service Switch

Users can set a service to start or close, there are two ways: graphical interface and command.

1. Graphical interface

1) Enter the command setup in the terminal, and select "System Service" in the pop-up interface.

2) You can also enter the command "ntsysv" directly in the terminal to get the following interface.

3) Modify the opening or closing by space, move up and down left and right keys, tab key back to "OK" or "Cancel", enter confirmation.

2. Command mode

1) Set the default startup or shutdown state of the service by using the command "chkconfig". The usage of this command is as follows

command

description

chkconfig --list

View startup status of all services

chkconfig -list service name

View the startup status of a specified service

chkconfig -add service name

Add specified services

chkconfig -del service name

Delete specified services

chkconfig -level num(0~6) Service name on/off

Sets the startup status of the specified service at a certain level

2) View startup status of all services

[root@localhost ~]# chkconfig --list

NetworkManager 0: Off 1: Off 2: On 3: On 4: On 5: On 6: Off

abrt-ccpp 0: Off 1: Off 2: Off 3: Enabled 4: Off 5: Enabled 6: Off

abrtd 0: Off 1: Off 2: Off 3: On 4: Off 5: On 6: Off

acpid 0: Off 1: Off 2: On 3: On 4: On 5: On 6: Off

atd 0: Off 1: Off 2: Off 3: On 4: On 5: On 6: Off

auditd 0: Off 1: Off 2: On 3: On 4: On 5: On 6: Off

autofs 0: Off 1: Off 2: Off 3: On 4: On 5: On 6: Off

3) Take the nfs service as an example, check the startup status of the service at each level.

[root@localhost ~]# chkconfig --list nfs

nfs 0: Off 1: Off 2: Off 3: Off 4: Off 5: Off 6: Off

4) Set the nfs service to boot at level5 and view the results

[root@localhost ~]# chkconfig --level 5 nfs on

[root@localhost ~]# chkconfig --list nfs

nfs 0: Off 1: Off 2: Off 3: Off 4: Off 5: Enabled 6: Off

5) Meaning of each level

level

description

shutdown

1

single-user mode

2

Multi-user command mode, no network

3

Multi-user command mode with network

4

reservations

5

Multi-user mode of graphical interface

6

restart

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