mirror of
https://github.com/spiritLHLS/one-click-installation-script.git
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73 lines
2.4 KiB
Bash
73 lines
2.4 KiB
Bash
#!/bin/bash
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#by spiritlhl
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#from https://github.com/spiritLHLS/one-click-installation-script
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#version: 2022.12.17
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# 检测本机时间是否准确的脚本
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# 检测系统类型
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if [ -f /etc/lsb-release ]; then
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# Ubuntu/Debian/Almalinux
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OS="Ubuntu/Debian/Almalinux"
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elif [ -f /etc/redhat-release ]; then
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# CentOS/Fedora
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OS="CentOS/Fedora"
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else
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# 未知系统
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OS="Unknown"
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fi
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# 获取当前时间和网络时间
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CURRENT_TIME=$(date +%s)
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NETWORK_TIME=$(wget -qSO- --max-redirect=0 google.com 2>&1 | grep Date: | cut -d' ' -f5-8)
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NETWORK_TIME_SECONDS=$(date -d "$NETWORK_TIME" +%s)
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# 计算时间差
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DIFF=$(($NETWORK_TIME_SECONDS-$CURRENT_TIME))
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# 判断时间差是否在允许范围内
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if [ "$DIFF" -lt 300 ] && [ "$DIFF" -gt -300 ]; then
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# 在允许范围内，时间准确
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echo "Time on $OS system is accurate."
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else
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# 不在允许范围内，时间不准确，调整时间
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echo "Time on $OS system is NOT accurate. Adjusting system time to accurate time."
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if [ "$OS" == "Ubuntu/Debian/Almalinux" ]; then
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# Ubuntu/Debian/Almalinux 系统使用 ntpdate 命令
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if [ ! -x "$(command -v ntpdate)" ]; then
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# ntpdate 命令不存在，安装 ntpdate
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sudo apt-get update
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sudo apt-get install ntpdate -y
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fi
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sudo ntpdate -u time.nist.gov || sudo ntpdate pool.ntp.org || sudo ntpdate cn.pool.ntp.org
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elif [ "$OS" == "CentOS/Fedora" ]; then
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# CentOS/Fedora 系统使用 ntpdate 命令
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if [ ! -x "$(command -v ntpdate)" ]; then
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# ntpdate 命令不存在，安装 ntpdate
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sudo yum update
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sudo yum install ntpdate -y
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fi
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sudo ntpdate time.nist.gov || sudo ntpdate pool.ntp.org || sudo ntpdate cn.pool.ntp.org
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else
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# 未知系统
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echo "Unable to adjust system time on unknown system."
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fi
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fi
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# 获取当前时间和网络时间
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CURRENT_TIME=$(date +%s)
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NETWORK_TIME=$(wget -qSO- --max-redirect=0 google.com 2>&1 | grep Date: | cut -d' ' -f5-8)
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NETWORK_TIME_SECONDS=$(date -d "$NETWORK_TIME" +%s)
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# 计算时间差
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DIFF=$(($NETWORK_TIME_SECONDS-$CURRENT_TIME))
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# 判断时间差是否在允许范围内
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if [ "$DIFF" -lt 300 ] && [ "$DIFF" -gt -300 ]; then
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# 在允许范围内，时间准确
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echo "Time on $OS system is accurate."
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else
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# 不在允许范围内，时间不准确
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echo "Time on $OS system is NOT accurate. Please check your system time and time zone settings."
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fi
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