As we all know, patching is an essential & integral part of any IT infrastructure. It could be cloud based systems (virtual) or an on-premise virtual systems or physical servers running in a dedicated data center. Patch management has now become an important buzzword in corporate IT organizations and business offices. Patch management is basically the process of acquiring, testing and installing multiple code changes (patches) to systems software and applications.
As we go with such changes, there are at times that we need to have a strong fallback method in case any failures after patching. This method should be resilient and should bring back the infrastructure to a steady state as it was before patching. So, let's talk about some of the industry best practices in this space in brief. We are excluding any third party tools or practice outside of the native Linux infrastructure.
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