Unable to locate packages
743
How do I enable the "Universe" repository?
154622
How do I resolve this installation error?
110896
Package installation - Outdated repository
93827
Unable to locate package libsystemd-dev
30304
Shows "unable to locate package unzip" error
116937
Why apt can't find the source code of any package?
109677
How do I to resolve unmet dependencies to uninstall and reinstall package
4853
Trouble downloading packages list due to a "Hash sum mismatch" error
130128
npm installed packages are not accessible
140793
Problem installing a package
131858
How can I download THEN install packages?
16186
Requires installation of untrusted packages?
111161
Unable to install software packages using Home Brew
41519
What can I do if a package is not available on the newest version of Ubuntu (18.04) but is available on older versions?
49658
Elegant way to check for missing packages and install them?
28650
`apt-get update` cannot find Ubuntu servers
49149
How do I solve "Unable to fetch some archives, maybe run apt-get update or try with --fix-missing" error?