Local AI on Proxmox: The Security Tradeoffs Behind GPU-Enabled LXC
GPU passthrough can turn older hardware into a capable local-AI environment. The useful design question is what efficiency, isolation, and operational risk you are willing to trade.
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Latest insights
Recent work across the four decision domains.
Security strategy, architecture, active defense, and recovery—examined through the systems that have to deliver them.
Upgrading AWX on MicroK8s Without Treating the Operator as a Rollback Plan
An operator can automate an AWX upgrade, but it cannot decide whether your backups, capacity, compatibility, and recovery path are good enough.
Running AWX on MicroK8s: What a Small Automation Platform Still Requires
A lab-sized AWX deployment is easy to start and surprisingly instructive to operate. The important work begins with state, access, upgrades, and recovery.
Patching Standalone ESXi: A Lab Runbook Built Around Recovery
The ESXi command is the smallest part of a safe update. Maintenance mode, rollback planning, compatibility review, and post-change evidence are the real controls.
Recovering Ubuntu Boot Space Without Removing Your Recovery Path
Old kernels can fill a small boot volume, but cleanup should preserve a known-good fallback and use the package manager’s own dependency decisions.
Random Passwords from the Shell: A Small Tool with Security Boundaries
A secure random string is useful in a lab, but generation is only one part of credential security. Here is a practical shell pattern and the limits that matter.