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举个例子,ping hub.docker不通

提示ping: hub.docker: Temporary failure in name resolution

查看/etc/resolv.conf

sudo vim /etc/resolv.conf

发现只有本机的172.x.x.x

进入输入模式,多加几个DNS

nameserver 8.8.8.8
nameserver 8.8.4.4
nameserver 114.114.114.114

保存退出

重启DNS resolver service

sudo systemctl restart systemd-resolved.service

再ping就通了

本文标签: TemporaryUbuntuResolutionfailure