"sudo update-grub" failing with "function: not found"
13399
Why can I no longer (un)install packages via apt-get after doing a partial dist-upgrade?
76241
"no public key available" while upgrading using update-manager
8914
Grub rescue - error: unknown filesystem
44683
Problem with sudo apt update in Ubuntu 18.04: Post-Invoke-Success if /usr/bin/test -w /var/lib/command-not-found/
592
grub2 not able to find the new kernel
79034
Executing a Bash Script Function with Sudo
7317
how to: Please sudo, do _not_ setup any environment, especially $SUDO_USER?
95593
sudo apt-get update returns an error
4305
How do I fix a "Problem with MergeList" or "status file could not be parsed" error when trying to do an update?
13744
sudo apt-get update failing - "could not open" list file due to "permission denied"
15756
Getting "Not found" message when running a 32-bit binary on a 64-bit system
35541
Script failing with "command not found: ^M"
38110
Error sudo: add-apt-repository: command not found
6913
Grub update warning in Ubuntu 14.04
136237
After update, get "error: file not found." followed by "grub rescue> _"
52340
"-bash: ls: command not found"
117623
Why do I need root-privileges to update my package manager's package list?