Why can't I refresh the list of packages?
39262
The Medibuntu Project has come to an end - what do I do now?
13720
apt-get update fails to fetch files, “Temporary failure resolving …” error
112660
How to get list of installed packages with installation date?
138125
dpkg: error: cannot scan updates directory `/var/lib/dpkg/updates/'
148872
I can't select updates in Update Manager
109624
How do I tell apt to never upgrade a particular package?
133
How can I fix a 404 Error when using a PPA or updating my package lists?
35160
Invisible software updates list in Software Updater
85724
Cannot update/get any packages. gedit not installed
131490
How do I save Updates/Installed Packages?
114896
How can I see all versions of a package that are available in the archive?
94171
Why Does Software Updater Say No updates Available, but apt-get upgrade Shows updates available?
5954
How to list all installed packages
46424
Cannot update software center repositories
67802
How to get a list of files for a package I haven't installed yet?
1632
How do I fix a "Failed to download package files" error?
2280
Package system is broken. How to fix it?