This Advantech white paper outlines best practices for managing Linux security patching to maintain uptime and mitigate risks. It highlights challenges like unintended side effects, business disruptions, and regression defects. Emphasis is placed on risk-based patching strategies, vulnerability tracking using CVE and USN systems, and the importance of tools like Landscape and Pro Client for accurate scanning, patch automation, and validation. Canonical’s Livepatch and Snap technologies enable live updates without rebooting. With a phased rollout and robust governance, organizations can secure Ubuntu-based systems while minimizing operational impact.

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