( arpi_esp | 2020. 04. 24., p – 13:39 )

  • The first and recommended approach is to simply wait. Direct upgrades from Ubuntu 18.04 LTS to Ubuntu 20.04 Focal Fossa LTS will most likely be unavailable until late July 2020.
  • Force direct upgrade by using the -d switch. In this case sudo do-release-upgrade -d will force upgrade from Ubuntu 20.04 LTS to Ubuntu 20.04 LTS