Can't get updates on 14.04
728
Unable to lock the administration directory (/var/lib/dpkg/) is another process using it?
54991
How can I install updates and shut down from the command line?
12368
A "failed to fetch" error occurs when apt-get update is run. How do I fix this?
4305
How do I fix a "Problem with MergeList" or "status file could not be parsed" error when trying to do an update?
8353
How do I access my software updater if it doesn't display anywhere?
122588
Can't connect to ubuntu archive when using apt-get update
107792
Update information outdated, "Failed to fetch cdrom"
72695
Can't connect to Windows Update
135575
How to fix a "Failed to fetch binary-armhf/Packages" error during apt-get update?
50810
No upgrade available for 19.04 from 18.10
154072
Ubuntu 17.10 doesn't show up in update-manager
85943
Can't update or install apps on Ubuntu Touch
43917
What is the difference between apt-get update and upgrade?
1520
How to install software or upgrade from an old unsupported release?
135452
How do you see what packages are available for update
51598
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
64509
Can't update from official repositories [Error 409]