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Configuring the Services

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Configuring the Services - Red Hat Customer Portal

10.2.1. Using the Service Configuration Utility

The Service Configuration utility is a graphical application developed by Red Hat to configure which services are started in a particular runlevel, as well as to start, stop, and restart them from the menu. To start the utility, select SystemAdministrationServices from the panel, or type the command system-config-services at a shell prompt.

The Service Configuration utility

The Service Configuration Utility

Figure 10.1. The Service Configuration utility
 

The utility displays the list of all available services (services from the /etc/rc.d/init.d/ directory, as well as services controlled by xinetd) along with their description and the current status. For a complete list of used icons and an explanation of their meaning, see Table 10.2, “Possible service states”.

Note that unless you are already authenticated, you will be prompted to enter the superuser password the first time you make a change.

Table 10.2. Possible service states

Icon Description

Green bullet

The service is enabled.

Red bullet

The service is disabled.

Control panel

The service is enabled for selected runlevels only.

Plugged plug

The service is running.

Unplugged plug

The service is stopped.

Exclamation mark

There is something wrong with the service.

Question mark

The status of the service is unknown.

 

10.2.1.1. Enabling and Disabling a Service

To enable a service, select it from the list and either click the Enable button on the toolbar, or choose ServiceEnable from the main menu.

To disable a service, select it from the list and either click the Disable button on the toolbar, or choose ServiceDisable from the main menu.

10.2.1.2. Starting, Restarting, and Stopping a Service

To start a service, select it from the list and either click the Start button on the toolbar, or choose ServiceStart from the main menu. Note that this option is not available for services controlled by xinetd, as they are started by it on demand.

To restart a running service, select it from the list and either click the Restart button on the toolbar, or choose ServiceRestart from the main menu. Note that this option is not available for services controlled by xinetd, as they are started and stopped by it automatically.

To stop a service, select it from the list and either click the Stop button on the toolbar, or choose ServiceStop from the main menu. Note that this option is not available for services controlled by xinetd, as they are stopped by it when their job is finished.

10.2.1.3. Selecting Runlevels

To enable the service for certain runlevels only, select it from the list and either click the Customize button on the toolbar, or choose ServiceCustomize from the main menu. Then select the checkbox beside each runlevel in which you want the service to run. Note that this option is not available for services controlled by xinetd



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