Linux Service Management

Linux Service Management

First, Classification of Linux services

Independent Service

RPM Package default installation service

Linux Services based on the xinted service

Source Package Installation Services

Ii. Independent Services

1 . View the installed Services

(1), check the RPM Package Installation Services

Chkconfig--list View all services and all service opening status

Chkconfig--list [ service name ] View the open status of this service

first column: Service namesecond to seventh column: service in1-6these six operating levels are enabled, onmeans open,Offmeans close,1-6respectively: Shutdown single user mode, multi-user command line mode without network connection, multi-user command line mode with network connection, unavailable, multi-user mode with graphical interface, restart six runlevel.

1-6 These six run levels can be viewed in the init process's profile again to view the init configuration file commands:

Cat/etc/inittab

in the init configuration file, there are 1-6 descriptions of these six runlevel, in the last line

Medium:5 means boot into Level 5, enter the graphical interface.

(2), the source code package installs the service generally in:/uer/local/.

2. Independent service Start-up method

(1),/etc/init.d/Independent service name Start|stop|status|restart

(2), service independent name start|stop|status|restart--"Red Hat Proprietary Command"

3, starting from the independent service

(1), Chkconfig--level 2345 Independent service name on

Chkconfig--level 2345 Standalone service name off

For example, open and close the Apache service on the 2345 runlevel.

where2345 represents the run level.

(2), "recommended method" modify /etc/rc.d/rc.local configuration file

Vim/etc/rc.d.rc.local

after opening the file, add a line at the end of the file:

/etc/rc.d/init.d/[ service name ] Start

For example, modify this file to make Apache service boot from boot

after the modification, the/etc/rc.d/rc.local file is opened each time a reboot occurs .

(3),ntsysv command--"Red Hat exclusive Command"

Enter the ntsysv command under root user to display a service GUI, select OK and press Tab button to switch to "OK"

and "cancel" on.

In front of the service you want to open, hit the "*" sign, and the service does not start with spaces.

Note :3 ways can only be used in one, can not be used at the same time, or will error, because this will be a few at the same time occupy a port.

Third, based on the xinted service

need to install xinted service before use , if do not install xinted service, use chkconfig--list View service, Won't

The xinted service appears.

To install the xinted service:

Yum-yinstall xinted

and then use the Chkconfig--list to view the service and finally have the xinted service

Four, the source package service

1. Source Package Service starts

(1), start with absolute path:

For example, the source package installed Apache start and stop:

/usr/local/apache2/bin/apacectl Start|stop

(2), modify the /etc/rc.d/rc.local file

Vim/etc/rc.d/rc.local

add a row at the end /usr/local/apache2/bin/apacectl start

V. Important File Locations

/etc/init.d/ Startup script location

/etc/sysconfig/ Initializing Environment configuration location

/etc/ configuration file Location

/etc/xinetd.conf xinetd configuration file

/var/lib Server-generated data

/var/log Log

Linux Service Management