# 安装Chrony
[root@fgedu-ntp ~]# yum install -y chrony

# 配置Chrony服务器
[root@fgedu-ntp ~]# cat > /etc/chrony.conf << 'EOF' # 使用国内NTP服务器 server ntp.aliyun.com iburst server ntp.tencent.com iburst server time.windows.更多视频教程www.fgedu.net.cncom iburst # 允许本地网络同步 allow 192.16学习交流加群风哥QQ1132571748.0.0/16 allow 10.0.0.0/8 # 本地时钟作为后备 local stratum 10 # 记录时钟漂移 driftfile /var/lib/chrony/drift # 日志配置 logdir /var/log/chrony log measurements statistics tracking # 系统时钟设置 makestep 1.0 3 rtcsync EOF # 启动Chrony [root@fgedu-ntp ~]# systemctl enable chronyd --now # 查看同步状态 [root@fgedu-ntp ~]# chronyc sources 210 Number of sources = 3 MS Name/IP address Stratum Poll Reach LastRx Last sample =============================================================================== ^* 203.107.6.88 2 6 37 15 -23us[ -23us] +/- 23ms ^+ 139.199.215.251 2 6 37 16 -123us[ -123us] +/- 35ms ^- 52.231.114.183 3 6 37 17 +456us[ +456us] +/- 58ms [root@fgedu-ntp ~]# chronyc tracking Reference ID : CB6B0658 (203.107.6.88) Stratum : 3 Ref time (UTC) : Sat Apr 04 15:00:00 2026 System time : 0.000000123 seconds fast of NTP time Last offset : -0.000023456 seconds RMS offset : 0.000123456 seconds Frequency : 12.345 ppm fast Residual freq : -0.001 ppm Skew : 0.123 ppm Root delay : 0.023456 seconds Root dispersion : 0.001234 seconds Update interval : 64.2 seconds Leap status : Normal

# 配置客户端
[root@fgedu-client ~]# cat > /etc/chrony.conf << 'EOF' # 使用内部NTP服务器 server 192.168.1.10 iburst server 192.168.1.11 iburst # 记录时钟漂移 driftfile /var/lib/chrony/drift # 系统时钟设置 makestep 1.0 3 rtcsync # 日志配置 logdir /var/log/chrony EOF [root@fgedu-client ~]# systemctl restart chronyd # 手动同步时间 [root@fgedu-client ~]# chronyc makestep 200 OK # 查看同步状态 [root@fgedu-client ~]# chronyc sources 210 Number of sources = 2 MS Name/IP address Stratum Poll Reach LastRx Last sample =============================================================================== ^* 192.168.1.10 3 6 37 15 -12us[ -12us] +/- 23ms ^+ 192.168.1.11 3 6 37 16 -45us[ -45us] +/- 35ms # 验证时间 [root@fgedu-client ~]# timedatectl Local time: Sat 2026-04-04 23:00:00 CST Universal time: Sat 2026-04-04 15:00:00 UTC RTC time: Sat 2026-04-04 15:00:00 Time zone: Asia/Shanghai (CST, +0800) System clock synchronized: yes NTP service: active RTC in local TZ: no

# 安装linuxptp
[root@fgedu-ptp ~]# yum install -y linuxptp

# 配置PTP主时钟
[root@fgedu-ptp ~]# cat > /etc/ptp4l.conf << 'EOF' [global] # 网络接口 tx_timestamp_timeout 10 logMinMeanPdelayReqInterval -3 logSyncInterval -3 # 时钟精度 clockClass 248 clockAccuracy 0xFE offsetScaledLogVariance 0xFFFF # 优先级 priority1 128 priority2 128 # 其他设置 domainNumber 0 firstStepThreshold 0.00002 maxStepThreshold 0.00002 EOF # 启动PTP主时钟 [root@fgedu-ptp ~]# ptp4l -i eth0 -m -S & # 配置PTP从时钟 [root@fgedu-ptp-client ~]# cat > /etc/ptp4l.conf << 'EOF' [global] tx_timestamp_timeout 10 logMinMeanPdelayReqInterval -3 logSyncInterval -3 domainNumber 0 EOF [root@fgedu-ptp-client ~]# ptp4l -i eth0 -m -S -s & # 配置phc2sys同步系统时钟 [root@fgedu-ptp-client ~]# phc2sys -s eth0 -w -m & # 查看PTP状态 [root@fgedu-ptp ~]# ptp4l -i eth0 -m -S 2>&1 | head -20
ptp4l[123.456]: selected /dev/ptp0 as PTP clock
ptp4l[123.456]: port 1: INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[123.456]: port 0: INITIALIZING to LISTENING on INIT_COMPLETE
ptp4l[123.456]: port 1: LISTENING to MASTER on ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES
ptp4l[123.456]: port 1: new foreign master 123456.abc.def-123456
ptp4l[123.456]: selected best master clock 123456.abc.def-123456
ptp4l[123.456]: port 1: MASTER to SLAVE on RS_SLAVE

# 创建时间监控脚本
[root@fgedu-ntp ~]# cat > /usr/local/bin/time-monitor.sh << 'EOF' #!/bin/bash # time-monitor.sh # from:www.itpux.com.qq113257174.wx:itpux-com # web: http://www.fgedu.net.cn echo "=== 时间服务监控 ===" echo "监控时间: $(date)" echo "" echo "1. 系统时间" timedatectl echo "" echo "2. Chrony状态" systemctl is-active chronyd echo "" echo "3. 同步源状态" chronyc sources echo "" echo "4. 同步统计" chronyc sourcestats echo "" echo "5. 客户端连接" chronyc clients echo "" echo "6. 时间偏差检查" offset=$(chronyc tracking | grep "Last offset" | awk '{print $4}') echo "时间偏差: $offset 秒" # 检查偏差是否过大 if (( $(echo "$offset > 0.1″ | bc -l) )); then
echo “警告: 时间偏差过大!”
fi

echo “”
echo “=== 监控完成 ===”
EOF

[root@fgedu-ntp ~]# chmod +x /usr/local/bin/time-monitor.sh

# 配置Prometheus监控
[root@fgedu-ntp ~]# cat > /usr/loca学习交流加群风哥微信: itpux-coml/bin/chrony-exporter.sh << 'EOF' #!/bin/bash # chrony-exporter.sh # from:www.itpux.com.qq113257174.wx:itpux-com # web: http://www.fgedu.net.cn echo "# HELP chrony_tracking Tracking stats" echo "# TYPE chrony_tracking gauge" tracking=$(chronyc tracking 2>/dev/null)
echo “chrony_tracking_stratum{server=\”$(hostname)\”} $(echo “$tracking” | grep Stratum | awk ‘{print $3}’)”
echo “chrony_tracking_frequency{server=\”$(hostname)\”} $(echo “$tracking” | grep Frequency | awk ‘{print $3}’)”
echo “chrony_tracking_root_delay{server=\”$(hostname)\”} $(echo “$tracking” | grep “Root delay” | awk ‘{print $4}’)”
echo “chrony_tracking_root_dispersion{server=\”$(hostname)\”} $(echo “$tracking” | grep “Root dispersion” | awk ‘{print $4}’)”
EOF

# 配置Node Exporter textfile收集器
[root@fgedu-ntp ~]# mkdir -p /var/lib/node_exporter/textfile_collector
[root@fgedu-ntp ~]# echo “* * * * * root /usr/local/bin/chrony-exporter.sh > /var/lib/node_exporter/textfile_collector/chrony.prom” >> /etc/crontab