<section><div class="tasklabel"><h2 class="doc-tairway">操作步骤</h2></div><ol class="ol steps"><li class="li step stepexpand"> <span class="ph cmd"> 远程<a class="xref" href="/ssr/help/compute/ecs/manual.Instance_Manage.Login_Linux_Instance.Linux_Login_webpage" target="_blank" rel="external noopener">连接 Linux实例</a>。</span> </li><li class="li step stepexpand"> <span class="ph cmd">执行命令sudo vim /etc/ntp.conf用vim打开并编辑NTP服务配置文件。</span> </li><li class="li step stepexpand"> <span class="ph cmd">找到server ntp 服务器 iburst的信息后，输入i开始编辑文件，给您暂时不需要的NTP服务器句首加上#隐藏起来。</span> </li><li class="li step stepexpand"> <span class="ph cmd">新添加一行NTP服务器信息，格式为：server 您需要添加的NTP服务器 iburst。平安云提供以下4台ntp服务器。</span> <div class="itemgroup info"> <p class="p">server ntp1.cloud.papub iburst</p> <p class="p">server ntp2.cloud.papub iburst</p> <p class="p">server ntp3.cloud.papub iburst</p> <p class="p">server ntp4.cloud.papub iburst</p> </div> </li><li class="li step stepexpand"> <span class="ph cmd">完成编辑后按下Esc键并输入：wq，保存退出。</span> </li><li class="li step stepexpand"> <span class="ph cmd">启动ntp服务，根据您的操作系统版本：</span> <div class="itemgroup info"> <p class="p">Redhat/CentOS 6及之前的操作系统：</p> <ol class="ol" type="a" id="Configuring_NTP_Service__ol_jyc_jzh_2sb"> <li class="li">执行命令<code class="ph codeph">sudo service ntpd start </code>启用的NTP服务。</li> <li class="li">执行命令<code class="ph codeph">sudo chkconfig ntpd on </code>配置开机启用NTP服务。</li> <li class="li">执行命令<code class="ph codeph">ntpstat</code>查看NTP服务状态</li> </ol> <p class="p">Redhat/CentOS 7：</p> <ol class="ol" type="a" id="Configuring_NTP_Service__ol_xty_lzh_2sb"> <li class="li">执行命令<code class="ph codeph">sudo systemctl start ntpd </code>启用的NTP服务。</li> <li class="li">执行命令<code class="ph codeph">sudo systemctl enable ntpd</code> 配置开机启用NTP服务。</li> <li class="li">执行命令<code class="ph codeph">ntpstat</code>查看NTP服务状态</li> </ol> </div> </li></ol></section>