apt-get upgrade fails: "guvcview : Depends: libguvcview-2.0-0 but it is not installed"
3298
How do I resolve unmet dependencies after adding a PPA?
12368
A "failed to fetch" error occurs when apt-get update is run. How do I fix this?
116339
Full-upgrade to Debian Testing fails due to libc6-dev : Breaks: libgcc-8-dev (< 8.4.0-2~) but 8.3.0-6 is to be installed
42634
How do I upgrade to the development release (aka. Ubuntu+1)?
43917
What is the difference between apt-get update and upgrade?
56150
Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up
113442
apt-get not working on Ubuntu 16.04, problems with kernel packages
122588
Can't connect to ubuntu archive when using apt-get update
74763
Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution)
39732
How to fix apt-get install / update not working on my Kali Linux
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?
94942
How to update libavcodec on ubuntu 14.04?
93246
How to resolve conflicting distributions in apt-get
35146
Will apt-get dist-upgrade upgrade my system to newer version?
75380
upgrading glibc to a version at least 2.17 or higher in ubuntu 12.04 LTS?
157289
Why use apt-get upgrade instead of apt-get dist-upgrade?
35152
Dependency errors for python3 and many others when I run sudo apt-get upgrade