Handy command to remotely capture tcpdump from a K8s container located in Google Kubernetes Engine and then display it (live!) in Wireshark running on your PC:
% gcloud beta compute ssh jumphost --quiet --command='kubectl exec tra-rt-ag1-0 --namespace=app-ns -- sudo /usr/sbin/tcpdump
Easiest way to install Docker in Ubuntu is to use snap. But then when you try to pull/push any images from Google Cloud Platform (GCP) recommended way of authorisation does not work:
jhartman@docker-mtx:~$ gcloud config configurations list
NAME IS_ACTIVE ACCOUNT
That’s surprising that for all these years I didn’t know about Wireshark MATE:
MATE: Meta Analysis and Tracing Engine
What is MATE? Well, to keep it very short, with MATE you can create user configurable extension(s) of the display filter
Somehow I couldn’t find a complete guide how to install R and configure it properly in Golden Cheetah (I’m using v3.5).
There is a good guide how to work with R in GC, but actually – no description how to …
This is an example of a LUA plugin for Wireshark which goes through the packets and generates a statistic.
In my case, I was looking for Diameter Charging-Control stats around Reporting-Reason Valdity-Time.
The project is hosted in GitHub.