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Chapter 3. Configuring the Date and Time

The Time and Date Properties Tool allows the user to change the system date and time, to configure the time zone used by the system, and to setup the Network Time Protocol (NTP) daemon to synchronize the system clock with a time server.

You must be running the X Window System and have root privileges. To start the application from the desktop go to the Main Menu Button => System Settings => Date & Time or type the command redhat-config-date at a shell prompt (for example, in an XTerm or a GNOME terminal).

3.1. Time and Date Properties

As shown in Figure 3-1, the first tabbed window that appears is for configuring the system date and time and the NTP daemon (ntpd).

Figure 3-1. Time and Date Properties

To change the date, use the arrows to the left and right of the month to change the month. Use the arrows to the left and right of the year to change the year, and click on the day of the week to change the day of the week. Changes will not take place until you click the OK button.

To change the time, use the up and down arrow buttons beside the Hour, Minute, and Second in the Time section. Changes will not take place until you click the OK button.

The Network Time Protocol (NTP) daemon synchronizes the system clock with a remote time server or time source (such as a satellite). The application allows you to configure a NTP daemon to synchronize your system clock with a remote server. To enable this feature, click the Enable Network Time Protocol button. This will enable the Server pulldown menu. You can choose one of the predefined servers or type a server name in the pulldown menu. Your system will not start synchronizing with the NTP server until you click OK. After you click OK, the configuration will be saved and the NTP daemon will be started (or restarted if it is already running).

Clicking the OK button will apply any changes that you have made to the date and time, the NTP daemon settings, and the time zone settings and then exit the program.

 
 
  Published under the terms of the GNU General Public License Design by Interspire