Andreas Strikos

Andreas Strikos

Software and Infrastructure Engineer

08 Feb 2023

On Better Communicating

2,563 words, ~10 min read

A collection of tools on how to communicate with people with empathy and get the best out of your interactions with people.
01 Jun 2022

Demystifying Kubernetes networking using TCPDUMP

1,577 words, ~6 min read

A TCPDUMP trip down the mystical networking areas of Kubernetes and Istio world.
16 Jul 2021

Sometimes It's Not Always DNS

2,032 words, ~8 min read

A debugging journey that was triggered by some innocent DNS resolution errors and became a deep dive into Istio’s multi cluster architecture, iptables, conntrack and kernel options.
13 Apr 2021

A curious case of AWS NLB timeouts in Kubernetes

1,610 words, ~6 min read

A debugging adventure that allowed us to solve the tail latencies our Kubernetes applications were experiencing when talking with our AWS NLB.
15 Oct 2020

Yet Another Kubernetes DNS Latency Story

1,411 words, ~5 min read

How introducing Kubernetes node local DNS cache increased our latency towards our upstream resolver.