Package should only be upgraded from specific repository
5830
How to prevent updating of a specific package?
113837
How can I install an older version of a package via NuGet?
152479
Why are apt-get repositories hardcoded to a specific release?
113697
`--no-install-recommends` only specified packages
154712
How to install a package from an older version of TeXLive?
63206
Can the update manager download only a single package at a time?
119943
Where can I find a repository for older unsupported releases?
73525
Do old package versions in CentOS mean that they do not have security fixes?
118978
Not all updates can be installed: partial upgrade
144172
How to upgrade to a point release from the same base release (12.04 to 12.04.03)
11035
Keep only essential packages
64558
What does `do-release-upgrade` really do?
11166
"Require Installation Of Untrusted Packages" while upgrading with the update manager
35131
Install python packages for specific python version
95916
How to subscribe to updates of a specific package?
7631
Force update from unsigned repository
43917
What is the difference between apt-get update and upgrade?