Docker Configuration

Distribution Configuration
Ubuntu/Debian/Gentoo /etc/default/docker
OpenSuse/CentOS/Red Hat /etc/sysconfig/docker

/lib/systemd/system/docker.service

/user/lib/systemd/system/service/docker

场景一:

Docker默认的配置文件/etc/default/docker或者/etc/sysconfig/docker都不起作用,查看了一下/lib/systemd/system/docker.service文件,发现里面没有加载默认配置文件,一些配置不知道要怎么弄了~~~

解决办法是:

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$ vi /lib/systemd/system/docker.service
#添加一行
$ EnvironmentFile=-/etc/default/docker
或者
$ EnvironmentFile=-/etc/sysconfig/docker
#-代表ignore error

并修改

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$ ExecStart=/usr/bin/docker daemon -H fd://
#改成
$ ExecStart=/usr/bin/docker daemon -H fd:// $DOCKER_OPTS

这样才能使用/etc/default/docker里定义的DOCKER_OPTS参数

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