# 修改/usr/lib/systemd/system/docker.service或/etc/systemd/system/docker.service
# 将ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
# 改为ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock
# 该过程可手动操作

# 修改
sed -e \
's|^ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock|ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock|g' \
-i \
/usr/lib/systemd/system/docker.service
# 或
sed -e \
's|^ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock|ExecStart=/usr/bin/dockerd -H tcp://0.0.0.0:2375 -H unix://var/run/docker.sock|g' \
-i \
/etc/systemd/system/docker.service

# 查看
cat /usr/lib/systemd/system/docker.service
# 或
cat /etc/systemd/system/docker.service

# 刷新配置
systemctl daemon-reload

# 重启docker
systemctl restart docker

# 查看docker信息
curl http://127.0.0.1:2375/version

# 配置环境变量(不同系统根据自己实际情况配置即可)
export DOCKER_HOST=tcp://10.0.1.7:2375