37 lines
539 B
Markdown
37 lines
539 B
Markdown
### centos7 时间同步
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#### 1. 安装 ntpdate
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```bash
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yum install ntp -y
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```
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#### 2. 同步阿里云时间
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```bash
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ntpdate ntp3.aliyun.com
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```
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#### 3. 定时同步
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- 10分钟同步一次
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```bash
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0-59/10 * * * * /usr/sbin/ntpdate ntp3.aliyun.com
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```
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### centos8 时间同步
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```bash
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yum install -y chrony
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systemctl enable chronyd --now
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mv /etc/chrony.conf /etc/chrony.conf.bak
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cat >> /etc/chrony.conf << EOF
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server ntp.aliyun.com iburst
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server cn.ntp.org.cn iburst
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EOF
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systemctl restart chronyd.service
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chronyc sources -v
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```
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