Container trouble-shooting

Network

netshoot

A network trouble-shooting swiss-army container

• GitHub
• No arm v7 builds (RPi v3)
• Image on Docker Hub
• kubectl netshoot plugin
  • Latest release 2023

Run netshoot as kubernets pod sidcar:

containers:
  - name: security-context-test
  # image: "docker.io/debian:trixie"
  image: "docker.io/nicolaka/netshoot:latest"
  command
    - sleep
    - "9999"
  # Optional: use privilegd mode
  securityContext
    privileged: true
    allowPrivilegeEscalation: true
    runAsUser: 0

Other network debug images

• alpine has busybox ping
• busybox
  • ping: permission denied (are you root?)
• arunvelsriram/utils
  • No arm v7 builds (RPi v3)

Outdated network debug images

• gopher-net/dockerized-net-tools
  • last commit 2018
• Praqma/Network-MultiTool
  • last commit 2022