Modify apt download source under Linux

Many times the unable to fetch somearchives error occurs when using the APT Install command, and we need to run the following apt update, but often there is a slow download situation

Here's a note to change the download source of apt to some source in the country to improve the speed

Method One:

Method:

1, modify the source address:
Cp/etc/apt/sources.list/etc/apt/sources.list.bak
Vim/etc/apt/sources.list

Add the following content (Zhong ke):

Deb Http://mirrors.ustc.edu.cn/ubuntu/precise-updates main restricted
DEB-SRC http://mirrors.ustc.edu.cn/ubuntu/precise-updates Main restricted
Deb Http://mirrors.ustc.edu.cn/ubuntu/precise Universe
DEB-SRC Http://mirrors.ustc.edu.cn/ubuntu/precise Universe
Deb Http://mirrors.ustc.edu.cn/ubuntu/precise-updates Universe
DEB-SRC Http://mirrors.ustc.edu.cn/ubuntu/precise-updates Universe
Deb Http://mirrors.ustc.edu.cn/ubuntu/precise Multiverse
DEB-SRC Http://mirrors.ustc.edu.cn/ubuntu/precise Multiverse
Deb Http://mirrors.ustc.edu.cn/ubuntu/precise-updates Multiverse
DEB-SRC Http://mirrors.ustc.edu.cn/ubuntu/precise-updates Multiverse
Deb Http://mirrors.ustc.edu.cn/ubuntu/precise-backports main restricted universe multiverse
DEB-SRC http://mirrors.ustc.edu.cn/ubuntu/precise-backports main restricted universe multiverse

Relatively fast source:

Sohu Source:
Deb Http://mirrors.sohu.com/ubuntu/precise-updates main restricted
DEB-SRC http://mirrors.sohu.com/ubuntu/precise-updates Main restricted
Deb Http://mirrors.sohu.com/ubuntu/precise Universe
DEB-SRC Http://mirrors.sohu.com/ubuntu/precise Universe
Deb Http://mirrors.sohu.com/ubuntu/precise-updates Universe
DEB-SRC Http://mirrors.sohu.com/ubuntu/precise-updates Universe
Deb Http://mirrors.sohu.com/ubuntu/precise Multiverse
DEB-SRC Http://mirrors.sohu.com/ubuntu/precise Multiverse
Deb Http://mirrors.sohu.com/ubuntu/precise-updates Multiverse
DEB-SRC Http://mirrors.sohu.com/ubuntu/precise-updates Multiverse
Deb Http://mirrors.sohu.com/ubuntu/precise-backports main restricted universe multiverse
DEB-SRC http://mirrors.sohu.com/ubuntu/precise-backports main restricted universe multiverse

NetEase Source:

Deb Http://mirrors.163.com/ubuntu/precise-updates main restricted
DEB-SRC http://mirrors.163.com/ubuntu/precise-updates Main restricted
Deb Http://mirrors.163.com/ubuntu/precise Universe
DEB-SRC Http://mirrors.163.com/ubuntu/precise Universe
Deb Http://mirrors.163.com/ubuntu/precise-updates Universe
DEB-SRC Http://mirrors.163.com/ubuntu/precise-updates Universe
Deb Http://mirrors.163.com/ubuntu/precise Multiverse
DEB-SRC Http://mirrors.163.com/ubuntu/precise Multiverse
Deb Http://mirrors.163.com/ubuntu/precise-updates Multiverse
DEB-SRC Http://mirrors.163.com/ubuntu/precise-updates Multiverse
Deb Http://mirrors.163.com/ubuntu/precise-backports main restricted universe multiverse
DEB-SRC http://mirrors.163.com/ubuntu/precise-backports main restricted universe multiverse

Update to see the speed:

sudo apt-get update
sudo apt-get upgrade

Method Two: Using the mouse interface to operate

Go to Ubuntu software Center

is also possible.

Better to do it again: Apt update

Modify apt download source under Linux