Ubuntu的版本¶
15
http://old-releases.ubuntu.com/releases/15.10/
16
http://releases.ubuntu.com/16.04/
17
http://old-releases.ubuntu.com/releases/17.04/
18
http://releases.ubuntu.com/18.04/
15
http://old-releases.ubuntu.com/releases/15.10/
16
http://releases.ubuntu.com/16.04/
17
http://old-releases.ubuntu.com/releases/17.04/
18
http://releases.ubuntu.com/18.04/