Migration field notes
Plain-spoken notes on getting off dying platforms — and on the part everyone skips, which is proving the new machine actually does what the old one did.
Leapp or ELevate failed? Rebuilding a CentOS 7 server on EL 9 instead
The inhibitors a CentOS 7 upgrade usually stops on, what each quick fix costs, and why a fresh EL 9 server built from a plan is often the cheaper way out.
Ubuntu 20.04 and RHEL 7 end of life: what to move to and how
The vendors' end-of-life dates, what extended support buys and what it doesn't, which release to move each one to, and in-place upgrade versus rebuild.
What auditors want to see after a server migration
The change-management evidence an auditor asks for after a migration: the baseline, the plan, the approval, a before-and-after comparison, data checks and the decommission record.
Moving Linux VMs off VMware to KVM, Proxmox or OpenShift Virtualization
What to check on each VM first, what changes inside every Linux guest that leaves ESXi, and how the move works on each of the three destinations.
Rocky Linux vs AlmaLinux: which should you actually run?
Both are free RHEL rebuilds born from the same week in 2020. Where they really differ, what's identical day to day, and how to pick without overthinking it.
The VMware renewal quote arrived. Here's how to actually leave.
Where the VMs go after Broadcom, the OS migration hiding inside the hypervisor migration, and why “it booted” is not “it's the same.”
Getting off CentOS 7 without lying to your auditors
Why in-place converters bite, how to pick a target, and how to prove the rebuild is equivalent when an auditor asks.