docker pull 报错

在使用 Docker 拉取镜像时,出现域名解析错误

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Error response from daemon: Get "https://registry-1.docker.io/v2/": dial tcp: lookup registry-1.docker.io on [::1]:53: read udp [::1]:55479->[::1]:53: read: connection refused

需要修改 /etc/resolv.conf

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nameserver 8.8.8.8
nameserver 8.8.4.4

然后执行

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sudo systemctl daemon-reload
sudo systemctl restart docker
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