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pup command

Q. How do I apply package updates from the Red Hat Network under RHEL 5.x operating systems?
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CentOS Linux apply package updates

Q. I've CentOS Linux 5 Server and I'd like to apply all package and security update. How do I apply package updates from the Internet?

A. CentOS comes with yum command. It is a command-line interface to update packages. There is also a graphical tool called pup.

yum command

For a command-line interface over the ssh session, the the command as root user:
# yum update

pup command

To start the graphical Update tool, type the command:
# pup &

Q. How can I apply package updates from Red Hat Network (RHN) for my HP Red Hat Enterprise Linux Server?
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Q. How do I apply package updates from the Red Hat Network (RHN)?
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