Kubernetes UI/GUI/CLI projects

Gathered a list of (mostly open-source) projects offering Kubernetes UX enhancements.

Starting from the well-known solutions and down to projects mounting the Kubernetes API as a FUSE filesystem 🔽
github .com/lensapp/lens
stats: TypeScript / 16.8k stars
descr: Lens - The way the world runs Kubernetes
github .com/derailed/k9s
stats: Go / 14.6k stars
descr: Kubernetes CLI To Manage Your Clusters In Style!
github .com/kubernetes/dashboard
stats: Go + TypeScript + HTML / 10.6k stars
descr: General-purpose web UI for Kubernetes clusters
github .com/vmware-tanzu/octant 👀
stats: Go + TypeScript / 5.6k stars
descr: Highly extensible platform for developers to better understand the complexity of Kubernetes clusters.
github .com/weaveworks/scope
stats: Go + JavaScript / 5.2k stars
descr: Monitoring, visualisation & management for Docker & Kubernetes
github .com/kubernetes-sigs/kui
stats: TypeScript / 2.1k stars
descr: a hybrid command-line/UI development experience for cloud-native development
github .com/astefanutti/kubebox
stats: JavaScript / 1.9k stars
descr: Terminal and Web console for Kubernetes
github .com/databricks/click
stats: Rust / 1.3k stars
descr: The "Command Line Interactive Controller for Kubernetes"
github .com/kubevious/kubevious
stats: ??? / 1.1k stars
descr: Kubevious - application centric Kubernetes UI and continuous assurance provider
github .com/skooner-k8s/skooner
stats: JavaScript / 873 stars
descr: Simple Kubernetes real-time dashboard and management.
github .com/ameerthehacker/kubelive
stats: JavaScript / 539 stars
descr: kubectl tool reinvented to be more reactive and interactive
github .com/smpio/kubernator (archived)
stats: JavaScript / 482 stars
descr: Alternative Kubernetes UI
github .com/opencredo/kubefuse 🔥
stats: Python / 245 stars
descr: Kubernetes as a FUSE Filesystem
github .com/kubricksllc/Kubricks
stats: JavaScript / 132 stars
descr: Visualizer/troubleshooting tool for single Kubernetes clusters
codeberg .org/hjacobs/kube-web-view
stats: Python + HTML / 41 stars
descr: Kubernetes Web View to list and view all Kubernetes resources
codeberg .org/hjacobs/kube-ops-view
stats: Python + JavaScript / 21 stars
descr: Kubernetes Operational View - read-only system dashboard for multiple K8s clusters
codeberg .org/hjacobs/kube-resource-report
stats: JavaScript + HTML + Python / 14 stars
descr: Report Kubernetes cluster and pod resource requests vs usage and generate static HTML
kubernetic .com
stats: not an OSS project (I've no affiliation with it)
descr: The Kubernetes Desktop Client. Cluster management, simplified.
price: €34 per month or €60 one-time
github .com/jonmosco/kube-ps1
stats: shell 🔥🔥🔥 / 2.5k stars
descr: Kubernetes prompt info for bash and zsh
github .com/kinvolk/headlamp
stats: TypeScript / 743 stars
descr: An easy-to-use and extensible web UI for Kubernetes brought to you by Kinvolk.
github .com/relferreira/kubedev
stats: JavaScript + Go / 81 stars
descr: A simpler and more powerful Kubernetes Dashboard
portainer .io/solutions/kubernetes-ui
stats: not an OSS project (I've no affiliation with it)
descr: Take the YAML out of Kubernetes
github .com/KubeHelper/kubehelper
stats: Java + CSS (?) / 145 stars
descr: KubeHelper - simplifies many daily Kubernetes cluster tasks through a web interface. Search, analysis, run commands, cron jobs, reports, filters, git synchronization and many more.

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More from @iximiuz

8 Dec
How to Run a FaaS Platform On Your Own Terms

FaaS is a higher-level kind of Serverless tech where the smallest deployable unit is a Function.

AWS Lambda, Azure Functions, GCP Cloud Function are all super handy, but what if you can't use them for some reason?

Meet OpenFaaS! 🔽
OpenFaaS is an open-source project that turns a piece of lower-level infra into a high-level FaaS solution.

Sounds too abstract?

Kubernetes cluster + OpenFaaS = FaaS API
Single VM + containerd + OpenFaaS = same FaaS API!

where FaaS API is:
- mgmt. methods
- invoke functions
At a high level, OpenFaaS has a universal architecture that allows it to be installed on almost any kind of infra:

API Gateway (concrete) + FaaS-Provider (abstract)
Read 7 tweets
30 Oct
How Kubernetes differs from Docker in the way it deals with containers 🔽

Under the hood, Kubernetes and Docker both rely on the same/similar lower-level components to run containers.

Often, both use containerd and runc. However, Kubernetes makes the container runtime pluggable
Even when Kubernetes uses exactly the same container runtime as Docker, the implementation of Pods differs from the implementation of Containers.

Pods are more than just groups of containers. Containers in a pod share net, ipc, and uts namespaces making pods more similar to VMs.
Not all Containers are Linux containers!

OCI Runtime Spec doesn't limit container implementation to namespaces and cgroups. And VM-based containers is a real thing!

Some of the container runtimes supported by Kubernetes (e.g., Kata), launch a micro-VM per Pod.
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20 Oct
Computer Networking in Layman's Terms (thread)

L2 - Ethernet
L3 - IP
L4 - TCP

Lots of server-side folks are fluent with L4/L7 concepts. But understanding L2/L3 is often important too!

Especially if you deal with containers, Kubernetes, or DC networking constraints 🔽
Example ✏️

By default, Docker/podman/containerd/etc. use a `bridge` network to interconnect containers on a single host. But what is a Bridge?

In the case of containers, a Bridge is a virtual device. However, it simulates a real-world L2/L3 networking device called a Switch.
A Switch is a multiport device that combines two logical functions: L2 bridging and L3 routing.

Bridging creates an L2 broadcast domain out of connected nodes. A single broadcast domain _usually_ forms an L3 network.

Routing creates an (inter)network out of L3 (sub)networks.
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3 Oct
Cloud-Native Learn-by-Doing Platforms (part 2) ✏️

I closely reviewed 10+ platforms providing a hands-on learning experience to study:

- Linux
- Containers
- Orchestration
- other Cloud-Native stuff

My findings (thread) 🔽

#kubernetes #docker #containers #linux #sre #devops
1. A Cloud Guru (acloudguru .com)

A really massive platform for individuals and businesses.

- 360+ courses and 1,600+ hands-on labs
- Clouds: AWS, GCP, etc.
- Tech: Kubernetes, Docker, Serverless

- Servers
- Temporary cloud accounts

2. Developer Sandbox for Red Hat OpenShift (developers.redhat .com/developer-sandbox)

A free platform with a private OpenShift playground:
7 GB RAM, 15GB storage 🔥

Almost no educational content, but combines well with kubebyexample .com.
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30 Aug
iptables - a userspace program to configure IP packets filtration and modification rules.

It's a dated but still widely used tool:

- Linux firewall
- Container egress (SNAT) and port publishing (DNAT)
- Kubernetes service discovery
- Service Mesh transparent injection
- etc. 🔽 Image
iptables comes with its own terminology:

- tables
- chains
- rules
- targets
- policies

...that might be challenging to grasp. Here is how I approach it.

1. Come up with a logical model of packet processing inside the Linux kernel. Give meaningful names to stages. Image
2. Understand possible packet paths through the kernel.

Packet from a local process:

Packet to a local process:

Packet forwarded between interfaces:
Read 6 tweets
22 Aug
How to Expose Multiple Containers On the Same Port

First off, why you may need it:

- Load Balancing - more containers mean more capacity
- Redundancy - if one container dies, there won't be downtime
- Single Facade - run multiple apps behind one frontend

Interested? Read on!🔽
Docker doesn't support binding multiple containers to the same host port.

Instead, it suggests using an extra container with a reverse proxy like Nginx, HAProxy, or Traefik.

Here are two ways you can trick Docker and avoid adding the reverse proxy:

2. iptables
Multiple Containers On the Same Port w/o Proxy (I)

1) Use SO_REUSEPORT sockopt for your server sockets
2) Run containers with `--network host` and the same port

SO_REUSEPORT allows binding diff processes to the same port.
--network host puts all containers on one network stack.
Read 8 tweets

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