Check Rpm Dependencies

Check RPM dependencies

In fact that's not a one but four different questions :).

*) First you can quickly list a downloaded package's dependencies/requirements by using the following commands:

$ rpm -qp mypackage.rpm --provides
$ rpm -qp mypackage.rpm --requires

*) Second, you can use yum utility in order to satisfy these (somewhat cryptic) dependencies automatically (assuming that all your repositories are set up correctly, and all the dependencies are available):

$ sudo yum install mypackage.rpm

*) Third, there are several RPM search resources, some of them already suggested above. I'd like to list another one, just for the reference - pkgs.org.

*) Fourth, there is an additional popular repository for RHEL5 and RHEL6 distros - EPEL. Note that it's not supported by Red Hat.

Hope my answer(s) will help.

Checking for missing dependencies without installing an RPM

Use yum-downloadonly

http://www.cyberciti.biz/faq/yum-downloadonly-plugin/

How to make rpm auto install dependencies

Create a (local) repository and use yum to have it resolve the dependencies for you.

The CentOS wiki has a nice page providing a how-to on this. CentOS wiki HowTos/CreateLocalRepos.

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Summarized and further minimized (not ideal, but quickest):

1. Create a directory for you local repository, e.g. /home/user/repo.
2. Move the RPMs into that directory.

3. Fix some ownership and filesystem permissions:

   # chown -R root.root /home/user/repo
   

4. Install the createrepo package if not installed yet, and run

   # createrepo /home/user/repo
   # chmod -R o-w+r /home/user/repo
   

5. Create a repository configuration file, e.g. /etc/yum.repos.d/myrepo.repo containing

   [local]
   name=My Awesome Repo
   baseurl=file:///home/user/repo
   enabled=1
   gpgcheck=0
   

6. Install your package using

   # yum install packagename
   

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