linux 客户端配置ntp
时间: 2023-05-12 21:00:43 浏览: 115
NTP,即网络时间协议,是一种用于同步计算机的时钟的协议。在Linux客户端上,配置NTP可以保证系统时间的准确性,从而避免由于系统时间不准确导致的各种问题。以下是配置Linux客户端NTP的步骤:
1. 安装ntp服务
```
yum install ntp -y
```
2. 配置ntp服务器
修改ntp.conf文件,指定时间服务器地址、允许同步时间的IP范围等信息。
```
vi /etc/ntp.conf
server 0.cn.pool.ntp.org iburst
server 1.cn.pool.ntp.org iburst
restrict default ignore
restrict 127.0.0.1
restrict 0.0.0.0 mask 0.0.0.0 nomodify notrap
```
3. 启动ntp服务
```
systemctl start ntpd
```
4. 设置ntp服务自启动
```
systemctl enable ntpd
```
5. 查看ntp同步状态
```
ntpstat
```
若ntp同步状态正常,则输出如下信息:
```
synchronised to NTP server (182.92.12.11) at stratum 3
time correct to within 29 ms
polling server every 1024 s
```
6. 调整系统时间
若系统时间与ntp服务同步时间相差较大,可以使用ntpdate命令进行调整。
```
ntpdate -u 0.cn.pool.ntp.org
```
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