doracoin / Linux系统时间诊断工具

#!/usr/bin/env bash VERSION="3.0" SERVICE="chronyd" CONF="/etc/chrony.conf" LOGFILE="/tmp/chrony_doctor_$(date +%Y%m%d_%H%M%S).log" if systemctl list-unit-files | grep -q chrony.service; then SERVICE="chrony" fi pause(){ echo read -p "按回车继续..." } header(){ clear echo "========================================" echo " Chrony Doctor v$VERSION" echo "========================================" echo } log(){ echo "$1" | tee -a "$LOGFILE" } # ----------------------------- # UDP 123 检测 # ----------------------------- check_ntp_port(){ log "NTP UDP 123 连通性检测" log "--------------------------------" SERVERS=$(grep ^server $CONF | awk '{print $2}') for s in $SERVERS do echo "测试 $s ..." timeout 2 bash -c "echo > /dev/udp/$s/123" 2>/dev/null if [ $? -eq 0 ]; then log "$s : UDP 123 可达" else log "$s : UDP 123 不可达" fi done echo } # ----------------------------- # Chrony 服务 # ----------------------------- check_service(){ log "Chrony 服务状态" log "--------------------------------" STATUS=$(systemctl is-active $SERVICE) if [ "$STATUS" = "active" ]; then log "服务运行正常" else log "服务未运行" fi echo } # ----------------------------- # 时间同步状态 # ----------------------------- check_sync(){ log "系统时间同步状态" log "--------------------------------" timedatectl | tee -a "$LOGFILE" echo } # ----------------------------- # Chrony tracking # ----------------------------- check_tracking(){ log "Chrony Tracking" log "--------------------------------" TRACK=$(chronyc tracking) echo "$TRACK" | tee -a "$LOGFILE" OFFSET=$(echo "$TRACK" | grep "Last offset" | awk '{print $3}') OFFSET_NUM=$(echo $OFFSET | tr -d 's') echo if command -v bc >/dev/null; then if [[ $(echo "$OFFSET_NUM > 1" | bc) -eq 1 ]]; then log "警告: 时间偏差超过 1 秒" fi fi echo } # ----------------------------- # NTP sources # ----------------------------- check_sources(){ log "NTP Sources" log "--------------------------------" chronyc sources -v | tee -a "$LOGFILE" echo } # ----------------------------- # RTC检测 # ----------------------------- check_rtc(){ log "RTC 与系统时钟" log "--------------------------------" timedatectl | grep RTC | tee -a "$LOGFILE" echo } # ----------------------------- # 防火墙检测 # ----------------------------- check_firewall(){ log "防火墙状态" log "--------------------------------" if systemctl is-active firewalld >/dev/null 2>&1; then log "firewalld 正在运行" firewall-cmd --list-ports | tee -a "$LOGFILE" else log "firewalld 未运行" fi echo } # ----------------------------- # 虚拟化检测 # ----------------------------- check_virtualization(){ log "虚拟化环境检测" log "--------------------------------" virt=$(systemd-detect-virt) if [ "$virt" != "none" ]; then log "当前运行在虚拟机: $virt" log "虚拟机环境建议使用 chrony" else log "物理机环境" fi echo } # ----------------------------- # Chrony 配置 # ----------------------------- show_config(){ log "Chrony 配置" log "--------------------------------" grep -v '^#' $CONF | grep -v '^$' | tee -a "$LOGFILE" echo } # ----------------------------- # 强制同步 # ----------------------------- force_sync(){ header echo "执行时间同步..." chronyc -a makestep echo pause } # ----------------------------- # 完整诊断 # ----------------------------- full_diagnose(){ header echo "生成诊断报告..." echo "日志文件: $LOGFILE" echo check_service check_sync check_tracking check_sources check_ntp_port check_firewall check_rtc check_virtualization show_config echo log "诊断完成" pause } # ----------------------------- # 主菜单 # ----------------------------- menu(){ while true do header echo "1 系统时间状态" echo "2 Chrony 服务状态" echo "3 Chrony Sources" echo "4 Chrony Tracking" echo "5 UDP 123 连通性检测" echo "6 强制同步时间" echo "7 防火墙检测" echo "8 虚拟化环境检测" echo "9 查看 Chrony 配置" echo echo "10 一键完整诊断" echo echo "0 退出" echo read -p "选择操作: " CHOICE case $CHOICE in 1) timedatectl; pause ;; 2) systemctl status $SERVICE --no-pager; pause ;; 3) chronyc sources -v; pause ;; 4) chronyc tracking; pause ;; 5) check_ntp_port; pause ;; 6) force_sync ;; 7) check_firewall; pause ;; 8) check_virtualization; pause ;; 9) show_config; pause ;; 10) full_diagnose ;; 0) exit ;; *) echo "无效选项"; sleep 1 ;; esac done } menu

#!/usr/bin/env bash # ============================ # Chrony 运维诊断工具 v2 # ============================ SERVICE="chronyd" CONF="/etc/chrony.conf" if systemctl list-unit-files | grep -q chrony.service; then SERVICE="chrony" fi pause(){ echo read -p "按回车返回菜单..." } header(){ clear echo "======================================" echo " Chrony 运维诊断工具 v2" echo "======================================" echo } # ---------------------------- # 基础信息 # ---------------------------- show_time(){ header echo "系统时间" echo "--------------------------------" date echo timedatectl pause } service_status(){ header echo "Chrony 服务状态" echo "--------------------------------" systemctl status $SERVICE --no-pager pause } # ---------------------------- # NTP信息 # ---------------------------- show_sources(){ header echo "NTP Sources" echo "--------------------------------" chronyc sources -v pause } show_tracking(){ header echo "Chrony Tracking" echo "--------------------------------" chronyc tracking pause } show_activity(){ header echo "Chrony Activity" echo "--------------------------------" chronyc activity pause } # ---------------------------- # 强制同步 # ---------------------------- force_sync(){ header echo "尝试强制同步时间..." echo chronyc -a makestep echo echo "同步命令已执行" pause } # ---------------------------- # 重启 # ---------------------------- restart_service(){ header echo "重启 Chrony..." echo systemctl restart $SERVICE echo "完成" pause } # ---------------------------- # 修改NTP服务器 # ---------------------------- change_ntp(){ header echo "当前 NTP server" grep ^server $CONF echo read -p "输入新的 NTP 服务器: " NTP if [ -z "$NTP" ]; then echo "未输入" pause return fi cp $CONF ${CONF}.bak.$(date +%s) sed -i '/^server/d' $CONF echo "server $NTP iburst" >> $CONF systemctl restart $SERVICE echo echo "已修改并重启 Chrony" pause } # ---------------------------- # 推荐NTP # ---------------------------- recommend_ntp(){ header echo "推荐 NTP 服务器 (中国常用)" echo "--------------------------------" cat <<EOF 阿里云 ntp.aliyun.com 腾讯云 time1.cloud.tencent.com time2.cloud.tencent.com 国家授时中心 ntp.ntsc.ac.cn 中国教育网 cn.ntp.org.cn 公网 pool 0.cn.pool.ntp.org 1.cn.pool.ntp.org EOF pause } # ---------------------------- # 健康检查 # ---------------------------- health_check(){ header echo "Chrony 健康诊断报告" echo "--------------------------------" SERVICE_STATUS=$(systemctl is-active $SERVICE) if [ "$SERVICE_STATUS" = "active" ]; then echo "Chrony Service: OK" else echo "Chrony Service: ERROR" fi echo SYNC=$(timedatectl | grep "System clock synchronized" | awk '{print $4}') echo "System Clock Sync: $SYNC" echo TRACK=$(chronyc tracking) OFFSET=$(echo "$TRACK" | grep "Last offset" | awk '{print $3}') LEAP=$(echo "$TRACK" | grep "Leap status" | cut -d ':' -f2) echo "Last Offset: $OFFSET" echo "Leap Status: $LEAP" echo echo "Sources 状态" echo "--------------------------------" chronyc sources echo # offset判断 OFFSET_NUM=$(echo $OFFSET | tr -d 's') if [[ $(echo "$OFFSET_NUM > 0.5" | bc 2>/dev/null) -eq 1 ]]; then echo "警告: 偏差超过0.5秒" fi echo echo "诊断建议" echo "--------------------------------" if [ "$SERVICE_STATUS" != "active" ]; then echo "建议: 启动 chrony 服务" fi if [ "$SYNC" != "yes" ]; then echo "建议: 检查 NTP 源或网络" fi echo pause } # ---------------------------- # 完整报告 # ---------------------------- full_report(){ header echo "Chrony 完整诊断报告" echo "================================" echo echo "系统时间" echo "--------------------------------" date echo echo "timedatectl" echo "--------------------------------" timedatectl echo echo "tracking" echo "--------------------------------" chronyc tracking echo echo "sources" echo "--------------------------------" chronyc sources -v echo echo "activity" echo "--------------------------------" chronyc activity echo pause } # ---------------------------- # 主菜单 # ---------------------------- menu(){ while true do header echo "1 查看系统时间" echo "2 查看 Chrony 服务状态" echo "3 查看 Sources" echo "4 查看 Tracking" echo "5 查看 Activity" echo "6 强制同步时间" echo "7 修改 NTP 服务器" echo "8 重启 Chrony" echo "9 推荐 NTP 服务器" echo "10 Chrony 健康检查" echo "11 完整诊断报告" echo echo "0 退出" echo read -p "选择操作: " CHOICE case $CHOICE in 1) show_time ;; 2) service_status ;; 3) show_sources ;; 4) show_tracking ;; 5) show_activity ;; 6) force_sync ;; 7) change_ntp ;; 8) restart_service ;; 9) recommend_ntp ;; 10) health_check ;; 11) full_report ;; 0) exit ;; *) echo "无效选项"; sleep 1 ;; esac done } menu

#!/usr/bin/env bash # ============================== # Chrony 管理工具 # ============================== CHRONY_CONF="/etc/chrony.conf" SERVICE_NAME="chronyd" if systemctl list-unit-files | grep -q chrony.service; then SERVICE_NAME="chrony" fi pause(){ echo read -p "按回车返回菜单..." } print_header(){ clear echo "======================================" echo " Chrony 时间同步管理工具" echo "======================================" echo } check_chrony_install(){ if ! command -v chronyc &>/dev/null; then echo "未检测到 chrony，请先安装" echo "CentOS/RHEL: yum install chrony" echo "Debian/Ubuntu: apt install chrony" exit 1 fi } # 当前时间 show_time(){ print_header echo "系统当前时间" echo "----------------------------" date echo echo "timedatectl 信息" echo "----------------------------" timedatectl pause } # Chrony服务状态 chrony_status(){ print_header echo "Chrony 服务状态" echo "----------------------------" systemctl status $SERVICE_NAME --no-pager pause } # Chrony源 show_sources(){ print_header echo "NTP 来源服务器" echo "----------------------------" chronyc sources -v pause } # Chrony tracking show_tracking(){ print_header echo "Chrony tracking 信息" echo "----------------------------" chronyc tracking pause } # Chrony统计 show_activity(){ print_header echo "Chrony 活动源" echo "----------------------------" chronyc activity pause } # 强制同步 force_sync(){ print_header echo "尝试立即同步时间..." echo chronyc -a makestep echo echo "同步完成" pause } # 重启服务 restart_chrony(){ print_header echo "重启 Chrony 服务..." echo sudo systemctl restart $SERVICE_NAME echo "完成" pause } # 查看配置 show_config(){ print_header echo "当前 chrony.conf" echo "----------------------------" cat $CHRONY_CONF pause } # 修改NTP服务器 modify_ntp(){ print_header echo "当前 NTP server 配置" echo "----------------------------" grep ^server $CHRONY_CONF echo read -p "输入新的 NTP 服务器 (例如 ntp.aliyun.com): " ntpserver if [ -z "$ntpserver" ]; then echo "未输入" pause return fi sudo cp $CHRONY_CONF ${CHRONY_CONF}.bak.$(date +%s) sudo sed -i '/^server/d' $CHRONY_CONF echo "server $ntpserver iburst" | sudo tee -a $CHRONY_CONF >/dev/null echo echo "配置已更新" echo "正在重启 chrony..." sudo systemctl restart $SERVICE_NAME echo "完成" pause } # 综合检测 full_check(){ print_header echo "系统时间" echo "----------------------------" date echo echo "timedatectl" echo "----------------------------" timedatectl echo echo "Chrony tracking" echo "----------------------------" chronyc tracking echo echo "Chrony sources" echo "----------------------------" chronyc sources -v echo echo "Chrony activity" echo "----------------------------" chronyc activity pause } menu(){ while true do print_header echo "1 查看系统时间" echo "2 查看 Chrony 服务状态" echo "3 查看 NTP 来源 (sources)" echo "4 查看 Chrony tracking" echo "5 查看 Chrony activity" echo "6 强制同步时间" echo "7 查看 chrony.conf" echo "8 修改 NTP 服务器" echo "9 重启 Chrony" echo "10 综合检测" echo echo "0 退出" echo read -p "请选择操作: " choice case $choice in 1) show_time ;; 2) chrony_status ;; 3) show_sources ;; 4) show_tracking ;; 5) show_activity ;; 6) force_sync ;; 7) show_config ;; 8) modify_ntp ;; 9) restart_chrony ;; 10) full_check ;; 0) exit ;; *) echo "无效选项"; sleep 1 ;; esac done } check_chrony_install menu