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Question:
Updating packages only quarterly would be bad for your system's security. It is critical to plan for upgrades and stick to the plan. If you have multiple Linux installations on your system, test package upgrades in a sandbox before installing on all systems. Patch management can be time-consuming, which is why firms offering patch management services for both Linux and Windows installations exist. The yum command can be scripted to check for patches. Only download updates from trusted sources, and if running Red Hat Linux, ensure that the packages are signed by Red Hat.