Today I Learnt

Small discoveries, written down before I forget.

2026

09 Oct

Zscaler's Linux client has a local HTTP proxy

2025

11 Oct

DNS resolutions inside a VPC only uses the most specific Route53 zone

22 Apr

How to use /dev/shm from Kubernetes pods

11 Apr

How to use GPU hardware acceleration from Kubernetes pods

15 Jan

A few things about Cilium and DNS

2024

19 Jul

How to build a sensor for when I am at the computer

18 Jun

How to use process pools in Django management commands

09 Jun

HomeAssistant can control text in LCD screens

10 Apr

Pods that use host network are not subject to network policies

26 Jan

How to git-diff SOPS encrypted files

2023

28 Dec

How to route to all containers of a Docker host directly from LAN

08 Nov

Container ports do not have to be exposed explicitly in Kubernetes pods

01 Nov

EventBridge can be used to decouple specific SQS queues from producers

02 Oct

How to DNAT FTP connections

07 Aug

Terraform can automatically dedent multiline strings

04 Aug

AWS throttles DNS requests to the VPC resolver

12 May

What is the difference between include and template functions in helm

01 May

Routing in AWS checks that source IP or destination IP is respected

18 Mar

Cluster autoscaler does not scale down nodes when pods have in-memory storage attached

01 Mar

How to test weighted DNS A records