@guatu
Reliability engineer building AI agents, homelab infrastructure, and IIoT tools
Technical writing, consulting on reliability engineering & IIoT, open-source collaboration.
May 7 · 2 min read · I spent an entire afternoon debugging a VM that refused to boot, only to find out my GPU had decided to change its PCI address. One reboot and the device that lived at 01:00.0 suddenly migrated to 02:00.0. Because my Proxmox VM configuration was pinn...
Join discussion
May 6 · 5 min read · I spent a few weeks trying to build an agent that could remember specific user preferences across sessions without bloating the context window to a point where latency became unbearable. The standard advice is always "just use a vector database." But...
Join discussion
May 5 · 3 min read · sysctl: setting key "net.ipv4.ip_local_port_range": Permission denied I saw this error while trying to tune the network stack for a high-concurrency service running in Docker, which itself was hosted inside an unprivileged LXC container on Proxmox. T...
Join discussion
May 4 · 2 min read · DNS is the single point of failure that makes everyone in the house complain that "the internet is down" when, in reality, your DNS container just crashed. I've spent too much time as the sole admin of my network having to manually flip DNS settings ...
Join discussion
Apr 30 · 8 min read · I watched an autonomous agent spend three hours and 40,000 tokens trying to close a GitHub issue that had an open dependency, only to fail because it kept hallucinating a force_close flag that didn't exist in the API. It didn't just fail; it entered ...
Join discussion
