ubuntu16.04 apt-get 速度慢问题

  

今天在用虚拟机安装编译linux内核所需依赖库的时候,使用 apt-get 指令进行安装速度非常之不稳定,而且大多时候都很慢。原因是其默认源在国外,因此速度自然不会很快。于是换成阿里的源,速度明显快了很多(如果是自身网络问题那就没办法了),以下是换源的步骤。


1.打开终端,首先最好备份一下原来的source文件:sudo cp sources.list sources.list.bak 。


2.然后打开source文件,sudo gedit /etc/apt/source.list,将内容替换为:

# deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricted
deb-src http: //archive.ubuntu.com/ubuntu xenial main restricted #Added by software-properties
deb http: //mirrors.aliyun.com/ubuntu/ xenial main restricted
deb-src http: //mirrors.aliyun.com/ubuntu/ xenial main restricted multiverse universe #Added by software-properties
deb http: //mirrors.aliyun.com/ubuntu/ xenial-updates main restricted
deb-src http: //mirrors.aliyun.com/ubuntu/ xenial-updates main restricted multiverse universe #Added by software-properties
deb http: //mirrors.aliyun.com/ubuntu/ xenial universe
deb http: //mirrors.aliyun.com/ubuntu/ xenial-updates universe
deb http: //mirrors.aliyun.com/ubuntu/ xenial multiverse
deb http: //mirrors.aliyun.com/ubuntu/ xenial-updates multiverse
deb http: //mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse
deb-src http: //mirrors.aliyun.com/ubuntu/ xenial-backports main restricted universe multiverse #Added by software-properties
deb http: //archive.canonical.com/ubuntu xenial partner
deb-src http: //archive.canonical.com/ubuntu xenial partner
deb http: //mirrors.aliyun.com/ubuntu/ xenial-security main restricted
deb-src http: //mirrors.aliyun.com/ubuntu/ xenial-security main restricted multiverse universe #Added by software-properties
deb http: //mirrors.aliyun.com/ubuntu/ xenial-security universe
deb http: //mirrors.aliyun.com/ubuntu/ xenial-security multiverse

3.执行更新:sudo apt-get  update

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