配置CentOS 7 DOCKER_HOST到0.0.0.0:2375

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CentOS 7的配置文件位置略不同： 具体参见

https://www.daocloud.io/mirror#accelerator-doc中set_mirror脚本。

vi /usr/lib/systemd/system/docker.service

[Unit]
Description=Docker Application Container Engine
Documentation=http://docs.docker.com
After=network.target docker.socket
Requires=docker.socket

[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
EnvironmentFile=/etc/sysconfig/docker
ExecStart=/usr/bin/docker daemon -H fd:// -H tcp://0.0.0.0:2375
MountFlags=slave
LimitNOFILE=1048576
LimitNPROC=1048576
LimitCORE=infinity
TimeoutStartSec=0
# set delegate yes so that systemd does not reset the cgroups of docker containers
Delegate=yes

[Install]
WantedBy=multi-user.target

生效服务：systemctl daemon-reload 

 service docker restart 

配置CentOS 7 DOCKER_HOST到0.0.0.0:2375

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原文地址：http://www.cnblogs.com/flasheryu/p/5728669.html