出现问题

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Error response from daemon: Get "https://registry-1.docker.io/v2/": net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)

解决方法

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# 编辑 /etc/docker/daemon.json
vi /etc/docker/daemon.json
# 增加如下文本
{"registry-mirrors":["https://reg-mirror.qiniu.com/","https://5wdlar25.mirror.aliyuncs.com","https://hub-mirror.c.163.com/","https://docker.mirrors.ustc.edu.cn/"]}
# 重载配置项
systemctl daemon-reload
# 重启docker服务
systemctl restart docker