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LinuxSecurity.com: Patching it Up

Jan 24, 2003, 04:00 (0 Talkback[s])
(Other stories by Duane Dunston)

"I wonder what goes through Jay. F.'s head when I send another patch update with a few dozen servers to patch. Patch Management can be a headache, especially in a large network environment. It can also be disastrous if someone doesn't read the documentation that comes with patches or types the wrong command to upgrade a software package. Consequently, knowing how to back out of a botched patch job is just as important as knowing how to apply the patch.

"Don't apply multiple patches at once. Apply patches in increments, it makes recovering from a problem with one patch a whole lot easier. Patching will require you to know the functionality of services running and the current security settings. Some patches may disable security settings, overwrite a configuration file or may start services that were shut down or weren't even previously enabled. Backup configuration files for a software package before applying a patch to it..."

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