What do I do with an upgrade stalled at 15%? And How do I safely recover?
7357
upgrade to 13.10 stalled and restart failed
83107
12.04 continuously offering partial upgrade
77705
Unable to upgrade in ubuntu
72485
Why is a restart only required on some updates?
12614
Upgrade problem
68223
Partially overwrote /dev/sda, can I recover anything?
81570
What does `--frontend` do in `do-release-upgrade` and where can I find the list of possible values?
19583
Can't upgrade due to low disk space on /boot
41077
Lost power during upgrade, how do I recover?
115421
Ubuntu 13.10 to 14.04 Lts does not upgrade, keeps showing error
89603
How can I know if reboot is required after update?
51768
Could not calculate the upgrade, what happened?
149984
Can't update or install anything. Ubuntu 3.11.0.14
211
Can I skip over releases when upgrading?
40001
Mac App Store update stuck (Installing - Calculating...)
5820
How to fix the “Unable to calculate upgrade” issue from command line when upgrading from 12.04 to 14.04?
92807
There's an issue with an Alpha/Beta Release of Ubuntu, what should I do?