Posted 30.11.2005 | Updated 23.05.2006 | Contributed by Andy Mallett
The problem with installing many RPM packages is the concept of dependencies. One package needs another to continue, so you find and install that package, which in turn requires yet another previous package and it all gets very messy very quickly.
Enter yum, an obscurely named app (aren't they all) which stands for Yellow dog Updater, Modified. yum is an automatic updater and package installer/remover for rpm systems. It automatically computes dependencies and figures out what things should occur to install packages. It makes it easier to maintain groups of
From the website - features include..
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- Multiple Repositories
- Simple config file
- Correct dependency calculation
- Fast operation
- rpm-consistent behavior
- comps.xml group support, including multiple repository groups
- Simple interface
Here's an example of using yum to install gcc.
If you get a message to the effect of..
"You have enabled checking of packages.."
and asking you to run the
rpm --import public.gpg.key
which then errors out with a
"error: public.gpg.key: import read failed"
code, perform the following first..
rpm --import /usr/share/doc/fedora-release-3/RPM-GPG-KEY*
..and then run the yum install command again.
For more information check out http://linux.duke.edu/projects/yum.
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