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檢查ubuntu右上角聯網開關是否打開:需要勾選Enable Networking
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如果能ping通其它主機地址,瀏覽器卻上不了網,很有可能是dns域名解析的問題
查看域名配置文件:
cat /etc/resolv.conf
如果顯示如下信息
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 127.0.1.1
在nameserver 後接的應該是dns地址,而這裏是本地迴環地址,把它修改成8.8.8.8(谷歌提供的免費dns服務器地址)
sudo vi /etc/resolv.conf
變成
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 8.8.8.8
或許在重啓後, 同樣的問題又出現了
所以還需做些工作:
sudo vi /etc/resolvconf/resolv.conf.d/head
在打開的這個文件中添加:nameserver 8.8.8.8