linux ntp client

11grac Configuring the NTP server TIP01 IP:162.20.1.228NBSP;NBSP;NTP service-side TIP02 ip:162.20.1.229 Before the NTP client configures the NTP server, verify that the server is installed with the NTP package [[emailprotected]~]#

Linux Build local time serverPre-Experiment Description:Lab Machine: VMware 10Experimental system: CentOS6.6Experimental purpose: To make all CentOS systems on VMware the same time, convenient to do cluster experiment;#1, compile and install NTP (on the machine you want to do time server) I this machine IP: 172.16.249.135# Install the GCC compilerYum Install Gcc-y# Download Packageswget http://www.eecis.ude

1. Extract the source code to /USR/LOCAL/SRCCd/usr/local/srcTar-zxvf/root/ntp-4.2.4p7.tar.gz2. View readme/instll filecdntp-4.2.4p7/Moreinstall3.generate The makefile file, specifying that it will be installed in the/USR/LOCAL/NTP directory in the future. If not specified, it is installed to the/usr/local directory by default . ./configure--help|more Viewing the parameters available at compile time./configu

cve-2013-5211 Vulnerability Description: Cve-2013-5211 was first announced January 10, 2014, because NTP itself does not verify the sender's source IP address. This is similar to the DrDoS (distributed reflection denial of service attack) used by the DNS parser. The attacker hack sent a forged message to the NTP server server A, changing the source IP address in the packet to the IP address of victim

There are tow pen source software related to the NTP in Linux, the first is ntpdate, the second is ntpd. you can install them as following: Apt-Get installl NTP; Apt-Get install openntpd; Or emerge NTP; emerge openntpd. NtpdateCan be run manually as necessary to set the host clock, or it can be run from the host START

Linux Synchronizes time from NTP in Windows-Linux Enterprise Application-Linux server application information. The following is a detailed description. I have just started linux, so I don't know much about it in many places. At the beginning, I encountered a problem-time syn

quickly build NTP time synchronization server under LinuxBackground:server more, time consistency and readiness is particularly important, although this problem is always ignored, but the unification of time is very necessary, because the time problem caused by service problems is also commonplace, this article briefly introduce the rapid construction and use of NTP. 1. Installing NTPYum-y Install

turn from: http://hi.baidu.com/uc100200/blog/item/cccef6b517b512de37d3ca02.html a , BackgroundThe machine is loaded with BusyBox, using the smallest set of Linux. The hardware clock is local time, the kernel clock is UTC time, no time zone is set, and there is no option for any time zone setting. Second, demandThis machine needs to be timed for NTP time synchronization. local time is displayed to th

1. Download NTP time software2, configure the beach time zone3, start this time software, and boot from the start4. Set the time manually to turn off the sync time provided by Red Hat5, open the configuration file configuration, restart the time service and then the server has been configured6, the client also installed NTP time software, and then open the config

Machine Networking:If the server can be networked: Perform ntpdate 1.cn.pool.ntp.org the server will automatically synchronize time write a scheduled task to perform a time synchronization every two minutes;Crontab-e/2 */usr/sbin/ntpdate 1.cn.pool.ntp.org//So that time synchronization can be achievedThe following is a domestic NTP Server1.cn.pool.ntp.org2.cn.pool.ntp.org3.cn.pool.ntp.org0.cn.pool.ntp.orgcn.pool.ntp.orgtw.pool.ntp.org0.tw.pool.ntp.org

Today, the boss asked me to install linux NTP service on our management machine, the platform is ARM9. the operating system is linux-2.4. I found the NTP source code on the Internet. After compilation, I copied ntpd, ntpq, ntpdate, and some files to the management machine. The NTP