How to forbid a specific package to be updated?
I don't want my kernel or grub updated until I do it manually. Is this possible in Ubuntu (10.04, I suppose)?
As your question is tagged synaptic, I'll assume that this you package manager of choice. In order to hold a package back with synaptic, you simply need to "lock the version."
Find and select the package you wish to hold back. Then go to
When you are ready to upgrade that package, simply highlight the package and un-check "Lock Version." It can now be upgraded normally.
If you like to do this from the command line, you can use
To remove the hold, run:
The best resource I know of for explaining the different ways to accomplish this kind of package hold is on the Ubuntu Pinning How-to page . I really recommend checking it out. It describes several ways to do this in addition to using the Synaptic lock as andrew has detailed.
There are solutions to closely related problems in several threads on askubuntu.