do-release-upgrade not finding next version
1520
How to install software or upgrade from an old unsupported release?
30754
Cannot update: "No available releases found"
22164
Problem with sudo apt get update: The repository cdrom... does not have a Release file
134080
Still can't upgrade? Is there a new delay?
142310
Ubuntu 12.04 software upgrade does not show 12.10 upgrade
149428
How do I refresh the package list?
8962
How to install multiple versions of the same software?
130579
how to upgrade a single package in debian
83107
12.04 continuously offering partial upgrade
126659
upgrade from 11.10 to 12.04 - No upgrade option available in update manager
83216
apt get update missing release file
42346
Why does Ubuntu release version at x.04 and x.10?
128471
How do I update from 9.0.10 to 9.1.0?
16578
How to upgrade a single package using apt-get?
86777
Distribution upgrade problem "No new release found"
13107
How to install updates via command line?
15687
How do I resume a release upgrade?