While I was configuring Ruby on Rails in a Red Hat (CentOS) with RVM I found a problem with the library libffi-devel because the package wasn't available via yum install
, after search for a couple of days I found this solution.
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Create a repo file in /etc/yum.repos.d/rpmforge.repo, you need to be an admin
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Copy the follow text.
#Name: RPMforge RPM Repository for Red Hat Enterprise 5 - dag #URL: http://rpmforge.net/ [rpmforge] name = Red Hat Enterprise $releasever - RPMforge.net - dag #baseurl = http://apt.sw.be/redhat/el5/en/$basearch/dag mirrorlist = http://apt.sw.be/redhat/el5/en/mirrors-rpmforge #mirrorlist = file:///etc/yum.repos.d/mirrors-rpmforge enabled = 1 protect = 0 gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rpmforge-dag gpgcheck = 1
3. Download the the rpmforge gpg key
`sudo rpm --import http://apt.sw.be/RPM-GPG-KEY.dag.txt`
4. Install the package via yum `sudo yum install libffi-devel`