sudo apt update doesn't work, says "Problem opening" and "The package lists or status file could not be parsed or opened"
98903
How to recreate /var/lib/dpkg/status?
1520
How to install software or upgrade from an old unsupported release?
44683
Problem with sudo apt update in Ubuntu 18.04: Post-Invoke-Success if /usr/bin/test -w /var/lib/command-not-found/
71830
How to fix "sudo: unable to open ... Read-only file system"?
83924
error while trying to sudo apt-get update GPG, no sign repository
107009
ubuntu 18.04 apt-get upgrade problem "redirection loop encountered."
106436
Long list of Hit and Get from sudo apt update
81501
Ubuntu software center isn't opening!
80078
How can I fix broken sudo - sudo: parse error in /etc/sudoers near line 23?
34720
What is the difference in command-line "sudo apt-get update" and using Synaptic or Auto-updater?
62855
sudo add-apt-repository throws an exception
117728
sudo apt update error
102065
How do I rebuild a corrupt dpkg status file?
7460
E: Unable to correct problems, you have held broken packages
73173
How to Fix Broken Packages?
135575
How to fix a "Failed to fetch binary-armhf/Packages" error during apt-get update?
31899
" sudo: source: command not found"