K9s - Kubernetes CLI To Manage Your Clusters In Style!
K9s provides a curses based terminal UI to interact with your Kubernetes clusters. The aim of this project is to make it easier to navigate, observe and manage your applications. This command line app continually watches Kubernetes for changes and offers subsequent commands to interact with observed resources.
- Homebrew (OSX)
brew tap derailed/k9s && brew install k9s
- Binary Releases
- Running from source
- You will need to use go 1.11+
# List all available CLI options k9s -h # To get info about K9s runtime (logs, configs, etc..) k9s info # To run K9s in a given namespace k9s -n mybitchns
K9s uses 256 colors terminal mode. On `Nix system make sure TERM is set accordingly.
For clusters with many namespaces you can either edit ~/.k9s/config.yml or go to the namespace(ns) view to switch your default namespace to your namespace of choice using Ctrl-Switch. K9s keeps your top 10 favorite namespaces. Namespaces will get evicted from the top 10 list, based on your namespace switching frequency.
k9s: refreshRate: 5 # K9s refresh rate in secs logBufferSize: 200 # Size of the logs buffer. Try to keep a sensible default! namespace: active: myCoolNS # Current active namespace name favorites: # List of your 10 most frequently used namespaces - myCoolNS1 - myCoolNS2 - all - default - kube-system view: active: po # Active resource view
K9s can use $KUBECONFIG env var to load cluster information. However we've seen hill effects of using this env with multiple files as setting the current context may not update the correct file when using this technique.
K9s uses 2 or 3 letters alias to navigate most K8s resource.
||List a Kubernetes resource in the active namespace||
|'?'||Show all command aliases|
||Filter out a resource view given a filter||
||Bails out of command mode|
||Key mapping to view, edit, see logs, etc...||
||To view and switch to another Kubernetes cluster|
||To bail out of K9s|
Building From Source
K9s was built using go 1.11. In order to build K9 from source:
- Clone the repo
- Add the following command in your go.mod file
replace ( github.com/derailed/k9s => MY_K9S_CLONED_REPO )
- Build and run the executable
go run main.go
This initial drop is brittle. K9s will most likely blow up if...
- K9s does not support multiple cluster config specified via KUBECONFIG env var
- You don't have enough RBAC fu to manage your cluster
- Your cluster does not run a metrics-server
This is still work in progress! If there is enough interest in the Kubernetes community, we will enhance per your recommendations/contributions. Also if you dig this effort, please let us know that too!
K9s sits on top of many of opensource projects and libraries. Our sincere appreciations to all the OSS contributors that work nights and weekends to make this project a reality!
© 2018 Imhotep Software LLC. All materials licensed under Apache v2.0