Patching Unix/Linux servers

What solutions are the best when patching a large number of Unix/Linux servers?
ENTPFAsked:
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eagerConnect With a Mentor Commented:
What Linux/Unix versions are you running?

For systems which use RPM, like Fedora, Red Hat, or CentOS, you might set up your own YUM server which has patches you want to have installed on all systems.  You can install a cron script which will update the servers from your YUM server.

The same thing can be done with APT servers.  
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omarfaridCommented:
you may have your own patch server
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TintinCommented:
If you are looking after a large number of similar servers, you should aim to keep the patch levels the same on the servers.

Typically you would apply the patches to your dev/test systems and then to your production systems.
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