netshoot
koolkits
Our great sponsors
| netshoot | koolkits | |
|---|---|---|
| 24 | 6 | |
| 7,581 | 360 | |
| - | 1.4% | |
| 3.6 | 1.3 | |
| 16 days ago | 8 months ago | |
| Shell | Dockerfile | |
| Apache License 2.0 | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
netshoot
- Docker Container Can't Ping
- Vaultwarden docker container with internal network
- Internet not working inside any Kubernetes pod
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Docker Networking: A Step-by-Step Guide for Developers
Now, let's use netshoot, a Docker image equipped with a set of networking troubleshooting tools that can be used for Docker networking.
- Has the image netshoot the Alpine/musl DNS issues?
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What's your favourite Docker Image, and why?
nicolaka/netshoot for sure. having a preloaded array of networking troubleshooting tools in an image for kubernetes debugging is a godsend.
- k8s docker image with basic troubleshooting tools
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Networking lab for learning using containers?
First off, it seems like getting tcpdump or Wireshark to capture from the container network and dumping to a file will take some extra steps. (A lot of blog posts seem to recommend this Github project - https://github.com/nicolaka/netshoot)
- qBittorrent "Error" after putting the container through a Gluetun container
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New to ubuntu and stumped by my cloudflare tunnels suddenly no longer working...
Some hints how to debug such problems in the future: 1. ufw drops/rejections are logged (use dmesg to view them) 2. wireshark shows all connection attempts, even those that are blocked by firewall 3. ss or netstat shows if the server is actually listening for connections 4. netshoot allows to enter docker container network namespace and do pings, curl or telnet from there
koolkits
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Getting Started with Ephemeral Containers
AFAIK this is available in 1.23 already. There are several tools already out that support this including https://github.com/lightrun-platform/koolkits/ and quite a few others.
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Interview with Tom Granot - Developer Observability, KoolKits and Reliability
That’s when Leonid, our CTO, came up with the idea of KoolKits - which is an opinionated set of pre-installed tools for kubectl debug. There’s a variant for each language/platform, e.g. Java (JVM), NodeJS, Python and even Go. We’re pretty excited about it and recently open-sourced it as well - see the project here.
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KoolKits (Kubernetes toolkits) are highly-opinionated, language-specific, batteries-included debug container images for Kubernetes!
It's a pretty simple idea - we LOVE kubectl debug, which allows you to spin up so-called ephemeral containers for debugging purposes in Kubernetes. One key thing that we wished we had in kdebug is great default container images - ones that contain all the tooling we know and love from debugging locally. Enter KoolKits!
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Introducing KoolKits - OSS Debugging Toolkits for Kubernetes
If you just want to take a look at the good stuff, feel free to check out the full project on GitHub.
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KoolKits: Opinionated, language-specific, batteries-included debug container images for Kubernetes
My colleague Tom Granot created KoolKits. An open source project that makes it much easier to debug K8S images.
- lightrun-platform/koolkits: 🧰 Opinionated, language-specific, batteries-included debug container images for Kubernetes.
What are some alternatives?
Dokku - A docker-powered PaaS that helps you build and manage the lifecycle of applications
docker-node - Official Docker Image for Node.js :whale: :turtle: :rocket:
ksniff - Kubectl plugin to ease sniffing on kubernetes pods using tcpdump and wireshark
Tail - simple tail call optimization and stack safety for Java
containers-roadmap - This is the public roadmap for AWS container services (ECS, ECR, Fargate, and EKS).
kubephp - 🐳 Production Grade, Rootless, and Optimized PHP Container Image Template for Cloud-Native Deployments and Kubernetes.
container_builder - This project builds containers images using Ansible. The containers are defined as hosts in the Ansible inventory. They are generated using host and group variables, templates and local connection.
QuickShell - QuickShell is an Eclipse plugin to use Java JShell inside the Eclipse IDE.
geodesic - 🚀 Geodesic is a DevOps Linux Toolbox in Docker
vardbg - A simple Python debugger and profiler that generates animated visualizations of program flow, useful for algorithm learning.
Filestash - 🦄 A modern web client for SFTP, S3, FTP, WebDAV, Git, Minio, LDAP, CalDAV, CardDAV, Mysql, Backblaze, ...
distroless - 🥑 Language focused docker images, minus the operating system.