Linux® Quick Fix

conf FileHow to Get NTP StartedTesting and Troubleshooting NTPConfiguring Cisco Devices to Use an NTP ServerFirewalls and NTPConfiguring a Windows NTP ClientConclusion The Network Time Protocol (NTP) is a protocol used to help synchronize your Lin...

If you need a refresher, Chapter 6, "Installing RPM Software," has all the details. When searching for the file, remember that the NTP RPM's filename usually starts with ntp followed by a version number, as in ntp-4.1.2-5.i386.rpm....

The /etc/ntp.conf file is the main configuration file for Linux NTP in which you place the IP addresses of the Stratum 1 and Stratum 2 servers you want to use. Here are the steps to create a configuration file using a pair of sample Internet-based NT...

You have to restart the NTP process every time you make a change to the configuration file for the changes to take effect on the running process. To get NTP configured to start at boot, use the line: [root@bigboy tmp]# chkconfig ntpd on To start, ...

After configuring and starting NTP, you should test it to make sure it is working. Here are some guidelines you can follow to get NTP working correctly. Verifying NTP is Running To test whether the NTP process is running, use the command: ...

You can use NTP to synchronize time on a variety of devices including networking equipment. I have included the necessary NTP commands for a variety of Cisco Systems products, because it is one of the most popular manufacturers of networking equipmen...

NTP servers communicate with one another using UDP with a destination port of 123. Unlike most UDP protocols, the source port isn't a high port (above 1023), but 123 also. You'll have to allow UDP traffic on source/destination port 123 between your s...

You can add your new NTP server to your Windows client: 1. Click on the time at the bottom right of your screen. 2. Click on the Internet Time tab of the dialog box 3. Click the check box labeled Automatically Synchronize with an Interne...

It is important that all the systems under your control have the same accurate time. It can help to give a very clear indication of a chain of events that involve multiple devices, and it can also help in the synchronization of time-sensitive transac...