Accurate timekeeping is crucial for many server operations. Network Time Protocol (NTP) is an Internet protocol used to synchronize the clocks of computers or servers to some NTP server on the internet or intranet.<\/p>\n
This tutorial will guide you on how to configure the Network Time Protocol (NTP) on CentOS 6.3. This process is an alternative to manual setup and allows for the system clock to be synchronized with a remote server over NTP.<\/p>\n
For a deeper understanding of web servers, you may want to explore our guide on Apache<\/a>, Nginx<\/a>, and LiteSpeed<\/a>.<\/p>\n To synchronize immediately or for one-time synchronization only, use the ntpdate command as shown below:<\/p>\n To enable running the ntpdate at boot time, use the following command:<\/p>\n Alternatively, you can set up the ntpd daemon to synchronize the time at boot time automatically. Here are the steps to do this:<\/p>\n Install the ntpd service daemon:<\/p>\n Open the NTP configuration file \/etc\/ntp.conf:<\/p>\n Add or edit the list of public NTP servers. For example:<\/p>\n Set the proper permissions, giving unrestricted access to localhost only:<\/p>\n Restart the NTP daemon:<\/p>\n Ensure the ntpd daemon starts at boot time:<\/p>\n In conclusion, configuring the Network Time Protocol (NTP) on CentOS 6.3 is a straightforward process that ensures accurate timekeeping on your server. By following the steps outlined in this tutorial, you can set up immediate or one-time synchronization, or configure the ntpd daemon for automatic synchronization at boot time. Remember, accurate timekeeping is crucial for many server operations, and NTP provides a reliable way to achieve this.<\/p>\n For more information on various hosting options, you can check out our guides on dedicated server<\/a>, VPS server<\/a>, cloud hosting<\/a>, and shared hosting<\/a>. These resources provide in-depth knowledge to help you make informed decisions about your hosting needs.<\/p>\n Remember, the key to successful server management is continuous learning and adaptation. Stay updated with the latest practices and don’t hesitate to experiment with new configurations that can optimize your server’s performance. Happy hosting!<\/p>\n What is the Network Time Protocol (NTP)?<\/p>\n \n Network Time Protocol (NTP) is an Internet protocol used to synchronize the clocks of computers or servers to some NTP server on the internet or intranet.<\/span>\n <\/p>\n<\/li>\n What is the ntpdate command used for?<\/p>\n \n The ntpdate command is used for immediate or one-time synchronization with a specified NTP server.<\/span>\n <\/p>\n<\/li>\n What does the command chkconfig ntpdate on do?<\/p>\n \n The command chkconfig ntpdate on enables the ntpdate to run at boot time.<\/span>\n <\/p>\n<\/li>\n What is the purpose of the ntpd service daemon?<\/p>\n \n The ntpd service daemon is used to automatically synchronize the system time with a remote server over the Network Time Protocol (NTP) at boot time.<\/span>\n <\/p>\n<\/li>\n What does the command service ntpd restart do?<\/p>\n \n The command service ntpd restart is used to restart the NTP daemon.<\/span>\n <\/p>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":" Accurate timekeeping is crucial for many server operations. Network Time Protocol (NTP) is an Internet protocol used to synchronize the clocks of computers or servers to some NTP server on…<\/p>\n","protected":false},"author":6,"featured_media":4252,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"wds_primary_category":0,"footnotes":""},"categories":[2055],"tags":[1536,1546,1610,1611],"class_list":["post-4250","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-centos","tag-linux","tag-linux-utilities","tag-ntp","tag-ntp-server"],"_links":{"self":[{"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/posts\/4250","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/comments?post=4250"}],"version-history":[{"count":0,"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/posts\/4250\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/media\/4252"}],"wp:attachment":[{"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/media?parent=4250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/categories?post=4250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/webhostinggeeks.com\/howto\/wp-json\/wp\/v2\/tags?post=4250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Immediate or One-Time Synchronization<\/h2>\n
\r\n[root@centos63 ~]# ntpdate -q time.internet.com\r\n<\/pre>\n
\r\n[root@centos63 ~]# chkconfig ntpdate on\r\n<\/pre>\n
Setting Up the NTP Daemon for Automatic Synchronization<\/h2>\n
\r\n[root@centos63 ~]# yum install ntp -y\r\n<\/pre>\n
\r\n[root@centos63 ~]# vi \/etc\/ntp.conf\r\n<\/pre>\n
\r\nserver 0.asia.pool.ntp.org\r\nserver 1.asia.pool.ntp.org\r\nserver 2.asia.pool.ntp.org\r\nserver 3.asia.pool.ntp.org\r\n<\/pre>\n
\r\nrestrict default kod nomodify notrap nopeer noquery\r\nrestrict -6 default kod nomodify notrap nopeer noquery\r\nrestrict 127.0.0.1\r\nrestrict -6 ::1\r\n<\/pre>\n
\r\n[root@centos63 ~]# service ntpd restart\r\nShutting down ntpd: [ OK ]\r\nStarting ntpd: [ OK ]\r\n<\/pre>\n
\r\n[root@centos63 ~]# chkconfig ntpd on\r\n<\/pre>\n
Commands Mentioned<\/h2>\n
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Conclusion<\/h2>\n
FAQ<\/h2>\n
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