Instalei o Ubuntu 17.04 e quero atualizá-lo para 18.04. Quando tentei fazer:
sudo do-release-upgrade
Recebi uma mensagem dizendo An upgrade from 'zesty' to 'bionic' is not supported with this tool. Precisa de insumos para prosseguir com isso.
sudo do-release-upgrade
Checking for a new Ubuntu release
Your Ubuntu release is not supported anymore.
For upgrade information, please visit:
http://www.ubuntu.com/releaseendoflife
Get:1 Upgrade tool signature [819 B]
Get:2 Upgrade tool [1,257 kB]
Fetched 1,258 kB in 0s (0 B/s)
authenticate 'bionic.tar.gz' against 'bionic.tar.gz.gpg'
extracting 'bionic.tar.gz'
Reading cache
Checking package manager
Can not upgrade
An upgrade from 'zesty' to 'bionic' is not supported with this tool.