Job TitleUpgrades and patchesSometimes patching doesn’t address all software. Some software needs to be patched separately from OSSome software libraries need to be manually removedSometimes the recommended steps result in inconsistent updates leading to unstable systemsRe-configurationsBuilding new systems and configuring file systems (lot of unknowns)Validation of the systems after configuration changes is a challenge on many occasions. Sometimes we identify issues and broken dependencies only later with nowhere to go.