How to version lock packages in Ubuntu?
109624
How do I tell apt to never upgrade a particular package?
123413
Will apt-get dist-upgrade upgrade my system to a newer version?
121222
"Kept back" packages for update , want to uninstall unity?
114896
How can I see all versions of a package that are available in the archive?
64561
Can multiple versions of the same package co-exist on the same system?
2280
Package system is broken. How to fix it?
16782
Install packages from newer release without building (apt pinning)
19395
How can I install more recent versions of software than what Debian provides?
102559
How to install package from newer distribution?
57214
Could not get lock /var/lib/apt/lists/lock
11166
"Require Installation Of Untrusted Packages" while upgrading with the update manager
117623
Why do I need root-privileges to update my package manager's package list?
511
How to enable silent automatic updates for any repository?
36848
How do I safely install an older/newer version of Python?
142403
Is there a way to lock command line?
16578
How to upgrade a single package using apt-get?
27076
How to see package version without install?