Kubernetes CLI To Manage Your Clusters In Style

1. K9s
Raphaël Pinson

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Raphaël Pinson
○ Infrastructure Developer / DevOps
○ Puppet / Terraform / Kubernetes
@raphink

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Kubernetes UIs: Kubernetes Dashboard

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Kubernetes UIs: Portainer

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Kubernetes UIs: Lens

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Kubernetes UIs
■ Kubernetes Dashboard
■ Portainer
■ Lens
■ Specific to distribution (Openshift, Rancher, etc.)
■ All in-cluster deployments!

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K9s
■ Rich Kubernetes client
■ No in-cluster installation
■ Golang binary
■ VIM-like bindings
■ Skinnable
■ Plugable

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Commands (^A)

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Contextual help

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Describe / YAML

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Search & filter with /

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:pods
■ Filter by namespace
■ Metrics (if available)
■ Sort (age, CPU, etc.)
■ Open shell
■ Replace image
■ Logs (concatenated!)
■ Port Forward

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Logs
■ Concatenated
○ All Pods in Deployment
○ All containers in Pod
■ Search & filter
■ Timestamps
■ Wrap
■ Autoscroll
■ Fullscreen

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:portforward
■ From
○ Pods
○ Services
■ Can be listed
■ Stopped when
quitting
■ Benchmarks

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:deployment
■ Logs (concatenated)
■ Scale
■ Replace image
■ Rollback to RS
(rs view)

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:configmaps & :secrets
■ Secret decoding

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RBAC (:rolebindings)

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:helm
■ View charts
■ Describe chart
■ View rendered
resource manifests
(YAML)

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Argo CD :applications

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Plugins
■ Plug additional
functionality into
views
■ Add key bindings
■ Simpler than
extending K9s

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Views (columns)
■ From available
columns
(by resource type)

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:xray
■ Hierarchy view
■ In Pods,
Deployments, etc.

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:popeye
■ Quality Assurance
tool
■ Real-time view

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:pulse

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Skins
■ Defined as YAML
■ color fields

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