all packages keep unmeting dependencies all the time
3298
How do I resolve unmet dependencies after adding a PPA?
18306
How to make apt ignore unfulfilled dependencies of installed package?
156977
Unable to install files with apt-get: "unable to locate package"
11579
Broken dependencies after upgrade
82620
How to resolve conflicts in symbol packages?
14689
How to let `dpkg -i` install dependencies for me?
2280
Package system is broken. How to fix it?
16186
Requires installation of untrusted packages?
112870
How can I remove all build dependencies for a particular package?
145164
Dependency issue with support-library-v4
26954
Why isn't there a truly unified package manager for Linux?
34069
Why am I getting authentication errors for packages from an Ubuntu repository?
25107
Unmet dependencies: linux-generic
26305
Problem with .deb packages on Ubuntu 16.04
29326
Can't install a package due to "Something wicked happened resolving" error
1632
How do I fix a "Failed to download package files" error?
11671
"Unable to locate package" while trying to install packages with APT