frank@ubuntu:~ $ sudo apt-get install kubuntu-desktop
Password:
Reading Package Lists... Done
Building Dependency Tree... Done
W: Couldn't stat source package list cdrom://Ubuntu 4.10 _Warty Warthog_ - Preview i386 Binary-1 (20041020) unstable/main Packages (/var/lib/apt/lists/Ubuntu%204.10%20%5fWarty%20Warthog%5f%20-%20Preview%20i386%20Binary-1%20(20041020)_universe_dists_unstable_main_binary-i386_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list cdrom://Ubuntu 4.10 _Warty Warthog_ - Preview i386 Binary-1 (20041020) unstable/restricted Packages (/var/lib/apt/lists/Ubuntu%204.10%20%5fWarty%20Warthog%5f%20-%20Preview%20i386%20Binary-1%20(20041020)_universe_dists_unstable_restricted_binary-i386_Packages) - stat (2 No such file or directory)
W: You may want to run apt-get update to correct these problems
E: Couldn't find package kubuntu-desktop
frank@ubuntu:~ $