ubuntu apt-get update 失败解决。安装新的ubuntu时出现 mirror连接不上
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当运行apt-get update后出现如下错误时:
E: Some index files failed to download, they have been ignored, or old ones used instead.
E: Some index files failed to download, they have been ignored, or old ones used instead.
可以将目录下/var/lib/apt/lists/partial/所有的文件清掉,再次运行apt-get update即可!自带源在大陆不好。
出现以下错误:
- /etc/apt$ sudo apt-get update
- Err http://security.ubuntu.com precise-security InRelease
- Err http://security.ubuntu.com precise-security Release.gpg
- Temporary failure resolving 'security.ubuntu.com'
- Err http://cn.archive.ubuntu.com precise InRelease
- Err http://cn.archive.ubuntu.com precise-updates InRelease
- Err http://cn.archive.ubuntu.com precise-backports InRelease
- Err http://cn.archive.ubuntu.com precise Release.gpg
- Temporary failure resolving 'cn.archive.ubuntu.com'
- Err http://cn.archive.ubuntu.com precise-updates Release.gpg
- Temporary failure resolving 'cn.archive.ubuntu.com'
- Err http://cn.archive.ubuntu.com precise-backports Release.gpg
- Temporary failure resolving 'cn.archive.ubuntu.com'
- Reading package lists... Done
- W: Failed to fetch http://cn.archive.ubuntu.com/ubuntu/dists/precise/InRelease
- W: Failed to fetch http://cn.archive.ubuntu.com/ubuntu/dists/precise-updates/InRelease
- W: Failed to fetch http://cn.archive.ubuntu.com/ubuntu/dists/precise-backports/InRelease
- W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/precise-security/InRelease
- W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/precise-security/Release.gpg Temporary failure resolving 'security.ubuntu.com'
- W: Failed to fetch http://cn.archive.ubuntu.com/ubuntu/dists/precise/Release.gpg Temporary failure resolving 'cn.archive.ubuntu.com'
- W: Failed to fetch http://cn.archive.ubuntu.com/ubuntu/dists/precise-updates/Release.gpg Temporary failure resolving 'cn.archive.ubuntu.com'
- W: Failed to fetch http://cn.archive.ubuntu.com/ubuntu/dists/precise-backports/Release.gpg Temporary failure resolving 'cn.archive.ubuntu.com'
- W: Some index files failed to download. They have been ignored, or old ones used instead.
- xinju@xinjuOffice:/etc/apt$ cd ../network
阿里源:
- deb http://mirrors.aliyun.com/ubuntu/ raring main restricted universe multiverse
- deb http://mirrors.aliyun.com/ubuntu/ raring-security main restricted universe multiverse
- deb http://mirrors.aliyun.com/ubuntu/ raring-updates main restricted universe multiverse
- deb http://mirrors.aliyun.com/ubuntu/ raring-proposed main restricted universe multiverse
- deb http://mirrors.aliyun.com/ubuntu/ raring-backports main restricted universe multiverse
- deb-src http://mirrors.aliyun.com/ubuntu/ raring main restricted universe multiverse
- deb-src http://mirrors.aliyun.com/ubuntu/ raring-security main restricted universe multiverse
- deb-src http://mirrors.aliyun.com/ubuntu/ raring-updates main restricted universe multiverse
- deb-src http://mirrors.aliyun.com/ubuntu/ raring-proposed main restricted universe multiverse
- deb-src http://mirrors.aliyun.com/ubuntu/ raring-backports main restricted universe multiverse
修改ip:
- # This file describes the network interfaces available on your system
- # and how to activate them. For more information, see interfaces(5).
- # The loopback network interface
- auto lo
- iface lo inet loopback
- # The primary network interfacea
- auto eth0
- iface eth0 inet static
- address 192.168.2.170
- netmask 255.255.255.0
- broadcast 192.168.2.255
- gateway 192.168.2.1
- dns-nameservers 192.168.2.1
1,重启生效:
sudo vi /etc/resolvconf/resolv.conf.d/base(这个文件默认是空的)
在里面插入:
nameserver 8.8.8.8
nameserver 8.8.4.4
如果有多个DNS就一行一个
修改好保存,然后执行
sudo resolvconf -u
再看/etc/resolv.conf,最下面就多了2行:
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。
2,重启失效:
配置文件地址 /etc/resolv.conf
使用编辑器打开
改为如下内容:
search localdomain
nameserver 202.96.128.86 希望修改成的DNS
nameserver 202.96.128.166 备用DNS
重启网络:sudo /etc/init.d/networking restart。即可
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