replaceafill@schooltool-vps:~$ sudo do-release-upgrade -d
Checking for a new Ubuntu release
Get:1 Upgrade tool signature [198 B]
Get:2 Upgrade tool [1,148 kB]
Fetched 1,148 kB in 0s (0 B/s)
authenticate 'trusty.tar.gz' against 'trusty.tar.gz.gpg'
extracting 'trusty.tar.gz'
[screen is terminating]
replaceafill@schooltool-vps:~$ sudo do-release-upgrade -p
Checking for a new Ubuntu release
Get:1 Upgrade tool signature [198 B]
Get:2 Upgrade tool [1,146 kB]
Fetched 1,146 kB in 0s (0 B/s)
authenticate 'trusty.tar.gz' against 'trusty.tar.gz.gpg'
extracting 'trusty.tar.gz'
[screen is terminating]