sudo apt-get install ubuntu-desktop, Error: unable to locate package
11671
"Unable to locate package" while trying to install packages with APT
21382
What does "sudo apt-get update" do?
44044
apt-get install not work at all
113442
apt-get not working on Ubuntu 16.04, problems with kernel packages
118864
What exactly does sudo apt-get -f install do?
28650
`apt-get update` cannot find Ubuntu servers
74763
Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution)
74227
dpkg error when using apt-get install
34069
Why am I getting authentication errors for packages from an Ubuntu repository?
72142
How to install a package with apt without the "Do you want to continue [Y/n]?" prompt?
74838
Lost/Deleted dpkg (package manager for Debian). How do I get it back?
8722
How to make apt recognize an installed tar package?
93827
Unable to locate package libsystemd-dev
80899
"no public key available" on apt-get update
139458
How to download packages from a command-line given repository?
106931
How to undo sudo add-apt-repository?
13720
apt-get update fails to fetch files, “Temporary failure resolving …” error