docker 2375

cd /usr/lib/systemd/system/
vim docker.service

#在原本的ExecStart中添加tcp://0.0.0.0:2375
 [Service] Type=notify 
# the default is not to use systemd for cgroups because the delegate issues still 
# exists and systemd currently does not support the cgroup feature set required 
# for containers run by docker 
ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock --containerd=/run/containerd/containerd.sock 
ExecReload=/bin/kill -s HUP $MAINPID 
TimeoutSec=0 
RestartSec=2 
Restart=always



systemctl daemon-reload
systemctl restart docker.service