How to perform a debian package upgrade
127766
how to upgrade my Debian package with minor changes
31506
How do I update Ubuntu manually?
1520
How to install software or upgrade from an old unsupported release?
13399
Why can I no longer (un)install packages via apt-get after doing a partial dist-upgrade?
136982
Manually installing a program on Debian
157289
Why use apt-get upgrade instead of apt-get dist-upgrade?
126343
How to downgrade a package via apt-get?
35146
Will apt-get dist-upgrade upgrade my system to newer version?
66915
How to request a package upgrade in the next Ubuntu release
64558
What does `do-release-upgrade` really do?
16578
How to upgrade a single package using apt-get?
36886
How to install a deb file, by dpkg -i or by apt?
95880
How to keep my Debian system with the latest packages?
158478
Debian checkinstall ignores install=no; how to have it build, but NOT autoinstall a package?
123413
Will apt-get dist-upgrade upgrade my system to a newer version?
67623
Check and fix all files from Debian packages.
158379
How do you add Debian experimental repo to Ubuntu, for those understanding the risks associated?