Ubuntu 14.04 apt-get update失效解决

2023年4月18日 316次阅读 来源: 知识分子中的文盲

现象如下：

VirtualBox:~$ sudo apt-get update
Err http://mirrors.aliyun.com trusty InRelease
  
Err http://mirrors.aliyun.com trusty-updates InRelease
  
Err http://mirrors.aliyun.com trusty-backports InRelease
  
Err http://mirrors.aliyun.com trusty-security InRelease
  
Err http://mirrors.aliyun.com trusty Release.gpg
  Could not resolve 'mirrors.aliyun.com'
Err http://mirrors.aliyun.com trusty-updates Release.gpg
  Could not resolve 'mirrors.aliyun.com'
Err http://mirrors.aliyun.com trusty-backports Release.gpg
  Could not resolve 'mirrors.aliyun.com'
Err http://mirrors.aliyun.com trusty-security Release.gpg
  Could not resolve 'mirrors.aliyun.com'
Reading package lists... Done
W: Failed to fetch http://mirrors.aliyun.com/ubuntu/dists/trusty/InRelease

换了阿里云和163云不能解决问题。

sudo apt-get clean
sudo apt-get update

也不能解决
查找资料，http://blog.csdn.net/ronghua_liu/article/details/8609450，需要更新DNS

sudo vi /etc/resolvconf/resolv.conf.d/base
在里面插入：
nameserver 8.8.8.8
nameserver 8.8.4.4

sudo resolvconf -u
cat /etc/resolv.conf
# 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
nameserver 8.8.4.4

可以看到我们的设置已经加上了，然后再ping一个域名，当时就可以解析了，无需重启。
也可以直接修改/etc/resolv.conf，sudo /etc/init.d/networking restart
但重启失效

    原文作者：知识分子中的文盲
    原文地址: https://www.jianshu.com/p/486e7f9802ab
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