Reprinted from the dairy blog: http://www.nenew.net/ubuntu-11-04-download-usb-install.html
As soon as the cow arrived, he saw the official Ubuntu homepage. The official version of 11.04 has been provided for download. The official Chinese image address will be published below:
32-bit desktop CD image:
Http://china-images.ubuntu.com/releases/11.04/ubuntu-11.04-desktop-i386.iso
Http://releases.ubuntu.com/11.04/ubuntu-11.04-desktop-i386.iso
64-bit desktop CD image:
Http://releases.ubuntu.com/11.04/ubuntu-11.04-desktop-amd64.iso
Server version CD image:
Http://releases.ubuntu.com/11.04/ubuntu-11.04-server-i386.iso
Http://releases.ubuntu.com/11.04/ubuntu-11.04-server-amd64.iso
Put two more directories and find the desired images in the directory:
Education Network: ftp://mirrors.ustc.edu.cn//ubuntu-releases//natty/
Domestic image: http://china-images.ubuntu.com/releases/11.04/
Total image site:
Http://releases.ubuntu.com/11.04/
Http://cdimage.ubuntu.com/releases/natty/release/
DVD mirror station: http://cdimage.ubuntu.com/dvd/current/
Wubi: http://releases.ubuntu.com/11.04/wubi.exe
USB disk Installation Tool: http://www.pendrivelinux.com/downloads/Universal-USB-Installer/Universal-USB-Installer.exe