How to fix the error, while updating my package list in Ubuntu 16.04?
4248
How to fix apt: Signature by key uses weak digest algorithm (SHA1)?
13744
sudo apt-get update failing - "could not open" list file due to "permission denied"
12773
The requested package is unknown
9322
Software Updater Issue 16.04
115722
Apt sources.list problem , packages not found?
2432
Unable to correct problems, you have held broken packages
127196
"Error processing package" - apt upgrade cannot run due to package configuration errors
6173
"method driver /usr/lib/apt/methods/https could not be found" update error
96767
How to find the number of packages needing update from the command line?
49149
How do I solve "Unable to fetch some archives, maybe run apt-get update or try with --fix-missing" error?
55857
How do I get a list of obsolete packages?
40021
How can I get a list of all packages available for a specific version of Ubuntu (not necessarily the one I have installed)?
95283
E: Malformed entry 54 in list file /etc/apt/sources.list (Component)
3298
How do I resolve unmet dependencies after adding a PPA?
154622
How do I resolve this installation error?
249
How do I fix this "E: Type '*' is not known on line * in source list ..." update error?
26308
How to solve "Unable to find expected entry 'restricted/binary-1386/Packages' Wrong sources.list entry or malformed file"?