关于解决漏洞的问题我就不详说了，主要就是升级版本。这里我们就直接简单记录下步骤：
1、升级 使用root用户登录系统进入到/home/guankong ,上传ntp-4.2.8p9-1.el6.x86_64.rpm到该目录下 2.安装依赖包 yum install gcc gcc-c++ openssl-devel libstdc++* libcap* 3.备份旧版本的配置文件 cp -ar /etc/ntp /etc/ntp.bak cp /etc/ntp.conf /etc/ntp.conf.bak cp /etc/init.d/ntpd /etc/init.d/ntpd.bak cp /etc/sysconfig/ntpd /etc/sysconfig/ntpd.bak cp /etc/sysconfig/ntpdate /etc/sysconfig/ntpdate.bak 4.卸载旧的NTPD yum erase ntp ntpdate 5.创建/var/lib/ntp目录 install -v -m710 -o ntp -g ntp -d /var/lib/ntp //可能存在目录会报错 6.安装rpm包 rpm -i ntp-4.2.8p9-1.el6.x86_64.rpm 7.还原配置文件 cp /etc/init.d/ntpd.bak /etc/init.d/ntpd cp /etc/sysconfig/ntpd.bak /etc/sysconfig/ntpd cp /etc/sysconfig/ntpdate.bak /etc/sysconfig/ntpdate mv /etc/ntp.bak /etc/ntp cp /etc/ntp.conf.bak /etc/ntp.conf
shell脚本命令一键执行：
#!/bin/sh chmod 755 -R . install_log=install.log ##ntp upgrade echo "#######1:ntp upgrade ..." 2>&1 | tee -a $install_log cp -ar /etc/ntp /etc/ntp.bak cp /etc/ntp.conf /etc/ntp.conf.bak cp /etc/init.d/ntpd /etc/init.d/ntpd.bak cp /etc/sysconfig/ntpd /etc/sysconfig/ntpd.bak cp /etc/sysconfig/ntpdate /etc/sysconfig/ntpdate.bak yum -y erase ntp ntpdate 2>&1 | tee -a $install_log rpm -i ntp-4.2.8p9-1.el6.x86_64.rpm 2>&1 | tee -a $install_log cp /etc/init.d/ntpd.bak /etc/init.d/ntpd cp /etc/sysconfig/ntpd.bak /etc/sysconfig/ntpd cp /etc/sysconfig/ntpdate.bak /etc/sysconfig/ntpdate rm /etc/ntp -rf mv /etc/ntp.bak /etc/ntp cp /etc/ntp.conf.bak /etc/ntp.conf echo "ntp upgrade end !" 2>&1 | tee -a $install_log
需要文件：ntp-4.2.8p9-1.el6.x86_64.rpm,自行百度下载