In simple English
This tool lets you see and control your computer clusters inside a text window. You can watch your running apps, read their error logs and fix problems without typing long commands. It runs right in your terminal, so it opens instantly and uses very little memory. The software is free to use and open to the public. You only need a working setup for your cluster before you start.
What it is
K9s is a command-line program that watches your Kubernetes (a system for running and scaling containerized software across many servers) clusters and gives you a visual dashboard inside your terminal. It translates raw data into clear tables that update live as your system changes.
What it is good for
Developers and system administrators who manage container clusters will spend less time typing repetitive status commands. It removes the need to remember long text flags when you want to inspect logs, restart pods or check server health.
- Navigate your cluster resources instantly using simple keyboard shortcuts.
- Stream live application logs and jump directly inside a running container shell with one key press.
- Customise table views, colors and command shortcuts to match your daily workflow.
- Requires an existing, working Kubernetes cluster configuration file to do anything useful.
- Can feel overwhelming for beginners who do not yet know basic cluster terminology.
- Terminal color rendering issues can occasionally break the visual display on older systems.
Raw kubectl commands and manual cluster monitoring scripts
kubectl
- kubernetes/kubernetes129k stars
The official command-line tool for Kubernetes, which provides raw text commands instead of an interactive terminal interface.
- lensapp/lens23k stars
A full desktop application for managing Kubernetes clusters, offering similar visual dashboards with a graphical interface.
- vectordotdev/vector23k stars
One collector that gathers logs and numbers from machines and sends them to one or more monitoring services.
- bluewave-labs/Checkmate11k stars
A self-hosted monitor that checks whether sites and services answer, records response times and sends alerts.
- statping-ng/statping-ng2.0k stars
A single-file status page and uptime checker that works with SQLite, PostgreSQL or MySQL.
brew install derailed/k9s/k9s