Search This Blog

Tuesday, August 30, 2022

Network debugging in k8s


 Sometimes it is good to look at a network from the inside of a kubernetes cluster. Well-prepared images do not have any useful networking tools (because they are minimal image designed to do specific task). Therefore, you might need to run commands from a dedicated container. An example of such tool is the netshoot image. It can be found in GitHub:

It's very easy to run: 

  kubectl run tmp-shell --rm -i --tty --image nicolaka/netshoot