Linux view each service status and turn __linux on and off

1. ........ ....... ....... ....... ....... ...

Friendly display of the running status of all services:

Service--status-all

Chkconfig--list

2. ............. ......... ...

To view the running status of a single service

Such as

Service sshd Status

3. ............. ......... ...

View startup status, start automatically

Chkconfig--list ServiceName

0: Boot

1: Single user mode

2: Multiuser mode, does not have network Archive system (NFS) function

3: Multi-user mode, with Network Archive system (NFS) function

4: Some distributions Linux uses this level to enter the X Windows system

5: Same 4

6: Reboot

Note: Remember useless 1 and 6

To turn off or turn on service status:

Chkconfig--level 345 NSCD off/on

4. ............... ......... ...

Additional services:

Chkconfig--add XXX (Note: Service scripts must be stored in the/etc/init.d/directory)

such as Mysqld

[Root@www mysql-5.1.59] #cp support-files/mysql.server etc/init.d/mysqld

Chkconfig mysqld on (each level is on, each level is 2345 levels)

This will start in the form of a system service.

To delete a service:

Chkconfig--del XXX

RunLevel view the current level.

Note: The run level is the functional level at which the operating system is running.