docker开启远程tcp调用

修改配置vim /lib/systemd/system/docker.service
增加-H tcp://0.0.0.0:2375

...
ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock -H tcp://0.0.0.0:2375
...

重启

systemctl daemon-reload
systemctl restart docker.service

查看：

[root@bare]# lsof -i:2375
COMMAND   PID USER   FD   TYPE    DEVICE SIZE/OFF NODE NAME
dockerd 67270 root    3u  IPv6 114934871      0t0  TCP *:2375 (LISTEN)