sudo gedit /etc/apt/sources.list
#This is Sources list.
#Next is Sources.
#Sources name:Cn99.
deb http://ubuntu.cn99.com/ubuntu/ hardy main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/ hardy-security main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/ hardy-updates main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/ hardy-proposed main restricted universe multiverse
deb http://ubuntu.cn99.com/ubuntu/ hardy-backports main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/ hardy main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/ hardy-security main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/ hardy-updates main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/ hardy-proposed main restricted universe multiverse
deb-src http://ubuntu.cn99.com/ubuntu/ hardy-backports main restricted universe multiverse
#Sources name:ubuntu cn gov.
deb http://archive.ubuntu.org.cn/ubuntu-cn/ hardy main restricted universe multiverse
#Sources name:ubuntu tw gov.
#This is slowly,so close.
# deb http://tw.archive.ubuntu.com/ubuntu hardy main restricted universe multiverse
# deb http://tw.archive.ubuntu.com/ubuntu hardy-security main restricted universe multiverse
# deb http://tw.archive.ubuntu.com/ubuntu hardy-updates main restricted universe multiverse
# deb http://tw.archive.ubuntu.com/ubuntu hardy-backports main restricted universe multiverse
# deb http://tw.archive.ubuntu.com/ubuntu hardy-proposed main restricted universe multiverse
#Sources name:Rootguide
deb http://mirror.rootguide.org/ubuntu/ hardy main restricted universe multiverse
deb http://mirror.rootguide.org/ubuntu/ hardy-security main restricted universe multiverse
deb http://mirror.rootguide.org/ubuntu/ hardy-updates main restricted universe multiverse
deb http://mirror.rootguide.org/ubuntu/ hardy-backports main restricted universe multiverse
deb http://mirror.rootguide.org/ubuntu/ hardy-proposed main restricted universe multiverse
#Sources name:ubuntu software
#Done
deb http://apt.schmidtke-hb.de hardy main
deb-src http://apt.schmidtke-hb.de hardy main
#The sources list is over.