Ubuntu 20.04 安装NTP

1，安装NTP

$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 20.04.1 LTS
Release:	20.04
Codename:	focal

sudo apt install ntp -y

2，设置NTP server

• China NTP server
• vim /etc/ntp.conf

#pool 0.ubuntu.pool.ntp.org iburst
#pool 1.ubuntu.pool.ntp.org iburst
#pool 2.ubuntu.pool.ntp.org iburst
#pool 3.ubuntu.pool.ntp.org iburst
server 0.cn.pool.ntp.org
server 1.cn.pool.ntp.org
server 2.cn.pool.ntp.org
server 3.cn.pool.ntp.org

sudo systemctl restart ntp

sudo systemctl status ntp

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参考：

1. Ubuntu 20.04 NTP server
2. China NTP server