#!/bin/bash
#
#***************************************************************************
# Author: liwanggui
# Email: liwanggui@163.com
# Date: 2022-06-17
# FileName: install-chrony.sh
# Description: 系统时间同步
# Copyright (C): 2022 All rights reserved
#***************************************************************************
#

command -v yum &>/dev/null || {
    echo "错误: yum 命令不存在"
    exit 1
}

yum install -y chrony

cat <<EOF | tee /etc/chrony.conf
server ntp.aliyun.com iburst
server ntp1.aliyun.com iburst
server ntp2.aliyun.com iburst
server ntp3.aliyun.com iburst
server ntp4.aliyun.com iburst

stratumweight 0
driftfile /var/lib/chrony/drift
rtcsync
makestep 1.0 3
bindcmdaddress 127.0.0.1
bindcmdaddress ::1
keyfile /etc/chrony.keys
commandkey 1
generatecommandkey
logchange 0.5
logdir /var/log/chrony
EOF

systemctl start chronyd
systemctl enable chronyd

chronyc makestep