更换Docker的pull源

创建并编辑文件

vi /etc/docker/daemon.json

{
    "registry-mirrors":[
        "https://kfwkfulq.mirror.aliyuncs.com",
        "https://2lqq34jg.mirror.aliyuncs.com",
        "https://pee6w651.mirror.aliyuncs.com",
        "https://1nj0zren.mirror.aliyuncs.com",
        "https://registry.docker-cn.com",
        "http://f1361db2.m.daocloud.io",
        "https://docker.mirrors.ustc.edu.cn",
        "http://hub-mirror.c.163.com",
        "https://mirror.ccs.tencentyun.com"
    ]
}
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复制时删除所有的空格

更新文件内容

systemctl daemon-reload

重启Docker以应用

systemctl restart docker