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K9s - Kubernetes CLI To Manage Your Clusters In Style
This document discusses K9s, a rich Kubernetes client that provides a VIM-like interface for interacting with Kubernetes clusters. K9s does not require in-cluster installation but is instead a standalone Golang binary. It allows viewing and filtering Kubernetes resources, logs, port forwarding, and more through an intuitive interface with key bindings. Plugins can add additional functionality and views can be customized through skins defined in YAML.
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K9s - Kubernetes CLI To Manage Your Clusters In Style
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- 2. 2/29www.camptocamp.com / Raphaël Pinson ○Infrastructure Developer / DevOps ○ Puppet / Terraform / Kubernetes @raphink
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- 5. 5/29www.camptocamp.com / Kubernetes UIs:Kubernetes Dashboard
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- 8. 8/29www.camptocamp.com / Kubernetes UIs ■Kubernetes Dashboard ■ Portainer ■ Lens ■ Specific to distribution (Openshift, Rancher, etc.) ■ All in-cluster deployments!
- 9. 9/29www.camptocamp.com / K9s ■ RichKubernetes client ■ No in-cluster installation ■ Golang binary ■ VIM-like bindings ■ Skinnable ■ Plugable
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- 13. 13/29www.camptocamp.com / Search &filter with /
- 14. 14/29www.camptocamp.com / :pods ■ Filterby namespace ■ Metrics (if available) ■ Sort (age, CPU, etc.) ■ Open shell ■ Replace image ■ Logs (concatenated!) ■ Port Forward
- 15. 15/29www.camptocamp.com / Logs ■ Concatenated ○All Pods in Deployment ○ All containers in Pod ■ Search & filter ■ Timestamps ■ Wrap ■ Autoscroll ■ Fullscreen
- 16. 16/29www.camptocamp.com / :portforward ■ From ○Pods ○ Services ■ Can be listed ■ Stopped when quitting ■ Benchmarks
- 17. 17/29www.camptocamp.com / :deployment ■ Logs(concatenated) ■ Scale ■ Replace image ■ Rollback to RS (rs view)
- 18. 18/29www.camptocamp.com / :configmaps &:secrets ■ Secret decoding
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- 20. 21/29www.camptocamp.com / :helm ■ Viewcharts ■ Describe chart ■ View rendered resource manifests (YAML)
- 21. 22/29www.camptocamp.com / Argo CD:applications
- 22. 23/29www.camptocamp.com / Plugins ■ Plugadditional functionality into views ■ Add key bindings ■ Simpler than extending K9s
- 23. 24/29www.camptocamp.com / Views (columns) ■From available columns (by resource type)
- 24. 25/29www.camptocamp.com / :xray ■ Hierarchyview ■ In Pods, Deployments, etc.
- 25. 26/29www.camptocamp.com / :popeye ■ QualityAssurance tool ■ Real-time view
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- 27. 28/29www.camptocamp.com / Skins ■ Definedas YAML ■ color fields
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