98 lines
1.7 KiB
Markdown
98 lines
1.7 KiB
Markdown
> 本文作者：丁辉
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# NTP时间同步
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| 节点名称 | IP |
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| ntp-master(NTP服务器) | 192.168.1.100 |
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| node-1 | 192.168.1.10 |
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| node-2 | 192.168.1.20 |
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| node-3 | 192.168.1.30 |
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## 基础环境配置
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**安装 ntp 服务**
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- Centos
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```bash
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yum -y install ntp
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```
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- Ubuntu
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```bash
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apt -y install ntp
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```
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## NTP服务器配置
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1. 修改配置文件
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```bash
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cp /etc/ntp.conf /etc/ntp.conf.bak
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vi /etc/ntp.conf
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```
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修改配置文件内容如下
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```bash
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##server 0.centos.#pool.ntp.org iburst
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##server 1.centos.#pool.ntp.org iburst
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##server 2.centos.#pool.ntp.org iburst
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##server 3.centos.#pool.ntp.org iburst
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server 127.127.1.0
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```
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> 填写 127.127.1.0 是一个特殊的IP地址, 代表本地主机(即自己) 或 填写其他授时中心服务器地址
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2. 启动 ntpd 服务
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```bash
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systemctl enable ntpd
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systemctl start ntpd
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```
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## 其他节点同步 NTP 服务器时间
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1. 修改配置文件
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```bash
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cp /etc/ntp.conf /etc/ntp.conf.bak
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vi /etc/ntp.conf
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```
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修改配置文件内容如下
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```bash
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##server 0.centos.#pool.ntp.org iburst
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##server 1.centos.#pool.ntp.org iburst
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##server 2.centos.#pool.ntp.org iburst
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##server 3.centos.#pool.ntp.org iburst
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server 192.168.1.100
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```
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> 192.168.1.100 为 NTP 服务器 IP 地址
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2. 启动 ntpd 服务
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```bash
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systemctl enable ntpd
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systemctl start ntpd
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```
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3. 启动 ntpd 服务
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```bash
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systemctl enable ntpd
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systemctl start ntpd
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```
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4. 查看状态
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```bash
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ntpq -p
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```
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