sudo apt upgrade command is not working for ubuntu 16.04 LTS
4853
Trouble downloading packages list due to a "Hash sum mismatch" error
113379
Updating the repository isn't working
56282
16.04 LTS upgrade alert- How to handle it?
140231
How to get back sudo on Ubuntu?
66915
How to request a package upgrade in the next Ubuntu release
62855
sudo add-apt-repository throws an exception
27769
Problem with IPv6 sudo apt-get update/upgrade
100494
Update Manager asking me to update kernel but apt-get upgrade does not?
137277
Run a command before & after ubuntu apt upgrade & unattended-upgrades
136771
Why is sudoers NOPASSWD option not working?
84803
sudo apt get update gives error - The package cache file is corrupted
76241
"no public key available" while upgrading using update-manager
65099
Unable to install any updates through update manager/apt-get upgrade
35146
Will apt-get dist-upgrade upgrade my system to newer version?
112955
How can I upgrade Ubuntu from 19.10 to 20.04 without losing packages?
107009
ubuntu 18.04 apt-get upgrade problem "redirection loop encountered."
25957
How do I apt-get -y dist-upgrade without a grub config prompt?