Ubuntu修改apt-get源

1.背景ubuntu

  服务器上安装了最新的Ubuntu Server 17.04,代号为zesty。使用apt-get命令安装软件时,有时候速度比较慢,有时候会失败。所以考虑用国内的镜像源更换下apt-get的默认源。vim

2.实现服务器

(1)编辑源文件,vim /etc/apt/sources.listspa

(2)使用网易apt-get源,将原来的源地址,替换为以下,因为服务器的版本是17.04,所以源地址的代号部分都是zesty,若是是其余版本,能够替换为对应的版本,具体版本代号能够网上查找。rest

deb http://mirrors.163.com/ubuntu/ zesty main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ zesty-security main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ zesty-updates main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ zesty-proposed main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ zesty-backports main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ zesty main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ zesty-security main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ zesty-updates main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ zesty-proposed main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ zesty-backports main restricted universe multiverse

(3)执行apt-get update,apt-get upgrade,会发现会报错,apt-get: Could not resolve 'mirrors.163.com’的错误,这种缘由实际上是由于还缺乏一个步骤,就是将添加的网址和IP进行映射,修改/etc/目录下的host文件。code

(4)经过ip.chinaz.com进行查询网址“mirrors.163.com”,对应的ip地址以下所示,而后将其添加到hosts文件里。blog

123.58.190.228     mirrors.163.com
123.58.190.236     mirrors.163.com

(5)再执行apt-get update,apt-get upgrade,就配置好了。ip

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