FTP changes
Track of my Cycling FTP changes (I’d love to say “progression” but it is not always like that…)
Note to self – places to update my FTP:
…
Everything which is related to Telecommunications, IT and my work
Proxmox Cloud-Init
- Custom Cloud-Init configuration
As stated in Proxmox Doc, you can create a custom Cloud-Init config where you’re free to set all parameters you need in a snippet yaml file, then generate a Cloud-Init custom image
This file is static
Convert Diameter msg hex string to Wireshark pcap
A “raw” hex string can be converted into Wireshark pcap:
query="<hex string here>"
export FILE="$HOME/Downloads/capture"
echo -n "${query}" > "${FILE}.bin.txt"
xxd -r -p "${FILE}.bin.txt" | od -Ax -tx1 > "${FILE}.hex.txt"
/Users/jhartman/Tools/Utilities/Wireshark.app/Contents/MacOS/text2pcap -o none -E wireshark-upper-pdu -P diameter -F pcap "${FILE}.hex.txt" …Live Wireshark diameter capturing from K8s container (in Google Kubernetes Engine)
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 How to fix Permission “artifactregistry.repositories.downloadArtifacts” denied on resource on Ubuntu when pulling from Google Artifact repository
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 Wireshark MATE for Diameter Charging-Control
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