Tag: networking

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.

Sep 2

Diagnose and fix Microsoft Store initialization failures caused by a missing AppContainer loopback exemption while Clash Verge uses a local system proxy.

Aug 26

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.

Dec 5