Security Strategies in Linux Platforms and Applications, 3rd Edition

Linux Patch Management

A common approach to updates on modern operating systems is to have every individual endpoint connect to the distribution repository to pull the latest software. Most Linux distributions will have geographic diversity, meaning there are probably mirrors around the world, which makes it more convenient for different users and enterprises.

Your local system will probably check on the speed of the repository or mirror, which will likely be affected by the geographical proximity of that system. Even if you find a repository mirror that is fast and relatively close, the packages that need to be downloaded from that system may be huge. Updates, especially if you aren’t keeping them up to date regularly, can be several hundred ...