Installation methods:

  • CD/ DVD from downloaded ISO image
  • USB (needs first Ubuntu machine to create bootable USB medium or Windows computer + ISO image Ubuntu + “unetbootin” program)
  • network installation
    • netinstall – directly from repo
    • kickstart – more usual in CentOS, but Ubuntu also supports it

Repositories:

  • security
  • updates
  • main – official SW
  • restricted – not completely open source but supported
  • universe – community supported
  • multiverse – copyright or legality restriction
  • partner – 3rd party apps

Enabled repositories are in file: /etc/apt/sources.list