• set sources.list
#/etc/apt/sources.list

deb http://mirrors.tuna.tsinghua.edu.cn/debian jessie main non-free contrib
deb-src http://mirrors.tuna.tsinghua.edu.cn/debian jessie main non-free contrib

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

deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main
deb https://deb.opera.com/opera-developer/ stable non-free #Opera Browser (final releases)
deb [arch=i386,amd64] http://linux.dropbox.com/debian jessie main
  • set locale
sudo dpkg-reconfigure locales
sudo locale-gen
sudo localectl set-locale LANG="en_US.UTF-8"
  • Move Gnome control button to lift side
$ gsettings set org.gnome.desktop.wm.preferences button-layout 'close,minimize,maximize:'

$ gsettings set org.gnome.settings-daemon.plugins.xsettings overrides "{'Gtk/DecorationLayout':<'close,minimize,maximize:'>}"