Show pageOld revisionsBacklinksBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== Network Time Protocol (NTP) ====== **General Information** Time is important on any system for automated jobs, log files, security, etc. This quick how to will get NTP up and running on a Linux server. **Checklist** * Distro(s): Enterprise Linux 6 ---- ===== Install NTP Packages ===== The packages: * ntp - the ntp daemon service * ntpdate - a utility to run ad-hoc for time setting * ntp-doc - ntp documentation <code bash> yum install ntp ntpdate ntp-doc </code> ---- ===== NTP Service On Boot ===== <code bash> chkconfig ntpd on </code> ---- ===== Ad-hoc Initial Time Sync ===== <code bash> ntpdate pool.ntp.org </code> ---- ===== Edit /etc/ntp.conf and Setup Time Servers ===== Visit http://www.pool.ntp.org/zone/north-america and verify the current ntp servers. They most likely are still (2015-01-07): * server 0.north-america.pool.ntp.org * server 1.north-america.pool.ntp.org * server 2.north-america.pool.ntp.org * server 3.north-america.pool.ntp.org Add the above server lines to /etc/ntp.conf in place of the default servers. <code bash> vim /etc/ntp.conf </code> ---- ===== Start NTP Service ===== Finally, start the NTP daemon service. <code bash> /etc/init.d/ntpd start </code> linux_wiki/ntp.txt Last modified: 2019/05/25 23:50(external edit)