• 下载

Index of /~ntp/ntp_spool/ntp4

https://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-4.2.8p17.tar.gz

• 编译openssl

LINUX下载编译OpenSSL_openssl-1.0.2u编译-CSDN博客

• 编译

DEST_DIR=/home/toybrick/ntp_serverif [ -d ${DEST_DIR} ]; thenrm -rf ${DEST_DIR}
fi./configure \--prefix=${DEST_DIR} \--enable-all-clocks     \--enable-parse-clocksmake
make install

• 配置

具体何意吾亦不知

#restrict default nomodify notrap noquery  
restrict 127.0.0.1  
restrict 192.168.120.0 mask 255.255.255.0 nomodify notrap  
server  127.127.1.0        # local clock  
fudge   127.127.1.0  stratum 5  
driftfile /var/lib/ntp/drift  
broadcastdelay   0.008  
keys                     /etc/ntp/keys  

• 运行server

cd /usr/local/ntp/sbin
./ntpd -c ./ntp.conf

• 检查server

ps aux | grep ntp
root      4215  0.0  0.0   7436  2784 ?        Ss   13:49   0:00 ./ntpd -c ./ntp.conf

• 同步时间

sudo ntpdate 192.168.1.126
2024-02-21 14:04:21.33743 (+0800) +3.118318 +/- 0.000550 192.168.1.126 s6 no-leap
CLOCK: time stepped by 3.118318