Network

Building a Home VM Infrastructure with KubeVirt

KubeVirt is a tool for managing VM infrastructure. With KubeVirt, you can manage VMs on Kubernetes in the same way as containers. I tried KubeVirt to easily spin up VMs at home, so I’ll share the method and my impressions.

June 15, 2024 Read

Paper Reviews: Container Overlay Networks

The streak was broken over Golden Week. Things settled down in the latter half of May, so I’m resuming. Related to lower-layer tracing, I’ll introduce papers on container overlay networks using eBPF.

May 31, 2023 Read

Paper Reviews: Distributed Tracing

Continuing with distributed tracing papers. The first two are classics from before Dapper. The last one is a recent paper that uses eBPF for lower-layer tracing.

May 9, 2023 Read

[Go] Digging Up net.Conn: http and mysql Edition

This article explains how to extract net.Conn from Go’s net/http and go-sql-driver/mysql to directly read and write HTTP and MySQL connections. While rarely needed in typical library usage, this can be useful when you want to rewrite payloads at the transport layer level.

February 2, 2023 Read

Creating a Bridge-Connected VM with KVM

I created a VM using KVM on an Ubuntu PC at home. To allow SSH access to the VM from external hosts, I connected the VM to a bridge network created on the host. I ran into several issues along the way, so I’m documenting the entire procedure here.

November 5, 2022 Read