(抱歉,发帖前没仔细搜索,现已找到答案:
进入recovery模式
vi /etc/hosts
内容修改为:
就好了,在这里谢谢oneleaf了。oneleaf 写了:代码: 全选
127.0.0.1 localhost.localdomain localhost ubuntu # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters ff02::3 ip6-allhosts