4 (4 A / 0 W)·All tags
Articles
2026
How I turned a KubeVirt Ubuntu VM into a four-day temporary egress with OpenSSH remote dynamic forwarding, systemd recovery, an absolute stop timer, observability, and complete key revocation.
Practical notes from deploying multiple self-hosted services with Traefik and Docker Compose: a repeatable layout, common pitfalls, and a debugging workflow.
2025
A Minisforum N100 used as a DNS server becomes unresponsive after ~1+ day uptime with system-wide stutter and suspected storage drop. This is a troubleshooting template with evidence-driven workflow.
A classic multi-VLAN connectivity incident: ICMP times out while the target clearly replies locally. The real causes are asymmetric routing from a wrong PVE default gateway and an OpenWrt misconfiguration that enables SNAT (masquerade) on the LAN zone. Fixed with hop-by-hop captures and minimal config changes.