ntp time server appliance

installing the NTP serviceYum-y Install NTP ntpdateTo modify a configuration file:Make a backup first:Cp/etc/ntp.conf/etc/ntp.conf.bakThen modify:Vi/etc/ntp.confWhat this file needs to be modified:Find the following two lines, this default is only allow native query, you can add these two lines # comment outRestrict 127.0.0.1Restrict-6:: 1Then add the following so that the meaning is to allow 1.0 network s

NTP server: Network time Protocol (NTP) is a protocol used to synchronize the timing of a computer, which allows the computer to synchronize its servers or clock sources (such as quartz clocks, GPS, etc.) It provides high-precision time correction (less than 1 milliseconds o

Windows is used for several years, and there is always a time to change the system time. However, it is easy to adjust the system time. It is not that easy to call up a correct one. A few years ago (when I was still in college, it was about a junior) I used C # To write an NTP Program But when the

Current network of the host, the business side sent to have an unsynchronized. Before also encountered similar problems, generally are NTP dead, resulting in the time is not synchronized. This view NTP service is operating properly. Www.111cn.net: ~ #:~ # RCNTP StatusChecking for Network Time Protocol Daemon (NTPD): R

. Regardless of the time that we want to sync the system through any channel, the provider will usually give only the utc+0 time value and not the time zone (because it doesn't know where you are). So when we set the system time, it's the first thing to do # date Thu Oct 11:22:45 EDT 2013 If the

One, SELinux configurationIn order for Cloudstack to work properly, we must set the SELinux to permissive. It needs to be available in the current system running state and after it has been started, with the following configuration.To set SELinux to permissive while the system is running, execute the following command:Setenforce 0Configure the/etc/selinux/config file according to the following Lezilai to ensure that the current SELinux status is permissive. As shown in this example# This file co

1. change the system time zone to the Shanghai time zone cp/usr/share/zoneinfo/Asia/Shanghai/etc/localtime2. write a script ntp. cron #! /Bin/bash/usr/sbin/ntpdatentp.fudan.edu.cn | logger-tNTP put the script in/etc/cron. daily... 1. change the system time zone to the Shanghai tim