Unable to update Ubuntu 14.04
8630
No more updates for Google Chrome 32-bit
87236
How to upgrade Ubuntu 12.04 to 13.10?
85009
`apt update` failed on Debian Linux
83960
How do I change my update server in Ubuntu 18.04?
16837
Unable to upgrade from 14.04 to 14.10 "Cannot Calculate Upgrades"
13970
Why am I not getting the Ubuntu 18.04 upgrade?
94171
Why Does Software Updater Say No updates Available, but apt-get upgrade Shows updates available?
85943
Can't update or install apps on Ubuntu Touch
32268
Can't install wine on Ubuntu 14.04
12578
How do I upgrade to a newer version of Ubuntu?
13107
How to install updates via command line?
86777
Distribution upgrade problem "No new release found"
44209
Problem with update-manager: No module named 'apt_pkg' in Ubuntu 13.10, having installed Python 3.4 on /usr/local/lib
76241
"no public key available" while upgrading using update-manager
90937
apt-get update errors
119169
Should I upgrade to 14.04 LTS?
967
How can I avoid "please insert CD/DVD" error when updating Ubuntu?