clockdiff Linux 时钟检测工具

发布时间：2023-07-30 更新时间：2026-06-21 总字数：152 阅读时间：1m 作者：谢先斌IP：上海网址

clockdiff 用来检查 linux 主机之间的时间差

安装

apt install iputils-clockdiff

help

clockdiff ...

$ clockdiff

Usage:
  clockdiff [options] <destination>

Options:
                without -o, use ip timestamp only
  -o            use ip timestamp and icmp echo
  -o1           use three-term ip timestamp and icmp echo
  -V            print version and exit
  <destination> dns name or ip address

For more details see clockdiff(8).

ping 检测时差

172.20.0.142 为本机IP，所以时差为 0

$ ping -T tsandaddr -c 1 172.20.0.142
PING 172.20.0.142 (172.20.0.142) 56(124) bytes of data.
64 bytes from 172.20.0.142: icmp_seq=1 ttl=64 time=0.052 ms
TS: 	172.20.0.142	43363558 absolute
	172.20.0.142	0
	172.20.0.142	0
	172.20.0.142	0


--- 172.20.0.142 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.052/0.052/0.052/0.000 ms

clockdiff 示例

$ clockdiff -o 172.20.0.142
..................................................
host=172.20.0.142 rtt=0(0)ms/0ms delta=0ms/0ms Sun Jun  4 20:04:15 2023