software install of debian

1.add shortcuts of terminal

all settings-->keyboard-->shortcuts-->add

name :Terminal
command :gnome-terminal
disabled-->CTRL+ALT_T

2.Add your count to sudoer

gedit /etc/sudoers
add your count  later of root 

3.update hosts

vim /etc/hosts
ipv6 

4.update sources.list

vim /etc/apt/sources.list
sudo apt-get install apt-transport-https
for transport the https://

//163
deb http://mirrors.163.com/debian/ jessie main non-free contrib
deb http://mirrors.163.com/debian/ jessie-updates main non-free contrib
deb http://mirrors.163.com/debian/ jessie-backports main non-free contrib
deb-src http://mirrors.163.com/debian/ jessie main non-free contrib
deb-src http://mirrors.163.com/debian/ jessie-updates main non-free contrib
deb-src http://mirrors.163.com/debian/ jessie-backports main non-free contrib
deb http://mirrors.163.com/debian-security/ jessie/updates main non-free contrib
deb-src http://mirrors.163.com/debian-security/ jessie/updates main non-free contrib
deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main
deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main
//tsinghua source
deb https://mirrors6.tuna.tsinghua.edu.cn/debian/ jessie main contrib non-free
deb-src https://mirrors6.tuna.tsinghua.edu.cn/debian/ jessie main contrib non-free

deb https://mirrors6.tuna.tsinghua.edu.cn/debian/ jessie-updates main contrib non-free
deb-src https://mirrors6.tuna.tsinghua.edu.cn/debian/ jessie-updates main contrib non-free

deb https://mirrors6.tuna.tsinghua.edu.cn/debian/ jessie-backports main contrib non-free
deb-src https://mirrors6.tuna.tsinghua.edu.cn/debian/ jessie-backports main contrib non-free

deb https://mirrors6.tuna.tsinghua.edu.cn/debian-security/ jessie/updates main contrib non-free
deb-src https://mirrors6.tuna.tsinghua.edu.cn/debian-security/ jessie/updates main contrib non-free

install chrome