Find out what version you're running
cat /etc/redhat-release
find out if 64- or 32-bit
uname -m
install with yum
yum install
uninstall with yum
yum remove
remove or delete a file
rm <filename>
installing RHEL EPEL repo
more yum stuff
weird "issues"
(aka n00b mistakes)
warning: epel-release-6-5.noarch.rpm: Header V3 RSA/SHA256 signature: NOKEY, key ID 0608b895
error: Failed dependencies:
rpmlib(FileDigests) <= 4.6.0-1 is needed by epel-release-6-5.noarch
rpmlib(PayloadIsXz) <= 5.2-1 is needed by epel-release-6-5.noarch

Installing for wrong version! (see above to check your version)

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