Usage:
Sudo
MV/etc/APT/sources. List {,. Back} // back up the original configuration. You can skip this step.
Sudo gedit
/Etc/APT/sources. List
Keep the following content closer:
Deb ftp ://Linux.Xidian.edu.cn/ubuntu/ lucid main
Restricted universe multiverse
Deb ftp://linux.xidian.edu.cn/ubuntu/ lucid-backports main
Restricted universe multiverse
Deb ftp://linux.xidian.edu.cn/ubuntu/ lucid-proposed main
Restricted universe multiverse
Deb ftp://linux.xidian.edu.cn/ubuntu/ lucid-security main
Restricted universe multiverse
Deb ftp://linux.xidian.edu.cn/ubuntu/ lucid-Updates main
Restricted universe multiverse
Sudo apt-Get update
// Update
Due to limited server configurations, the download speed is limited to 8 Mb.
Ubuntu 10.04 releases ISO
(Including CD and DVD) download
Ftp://linux.xidian.edu.cn/ubuntu-releases/
Link: http://linux.xidian.edu.cn/bbs/thread-28-1-1.html