kubectl-trace
hubble
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| kubectl-trace | hubble | |
|---|---|---|
| 2 | 7 | |
| 1,974 | 3,304 | |
| 1.7% | 3.7% | |
| 3.2 | 9.3 | |
| 6 months ago | 4 days ago | |
| Go | Go | |
| MIT License | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
kubectl-trace
hubble
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Architecting for Resilience: Crafting Opinionated EKS Clusters with Karpenter & Cilium Cluster Mesh — Part 1
Since we installed Hubble on the cluster, Let’s check its cool UI and see how the traffic flows between the pods. To do so, let’s run:
- cilium/hubble: Hubble - Network, Service & Security Observability for Kubernetes using eBPF
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Getting started with kubectl plugins
This doesn’t just provide improved operational visibility - it’s incredibly beneficial to network security engineers. For instance, if Cilium is unable to communicate with core components such as ‘Hubble,’ this will show-up in the connectivity test.
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Linux Audit comes at a cost, is that where BPF steps in?
It may be we could further optimize in some way, but in our testing we didn't find the streaming or EBPF based tables to work all that well for our purposes in osquery. This tool seems more promising for logging this sort of activity: https://github.com/cilium/hubble. We're focused on K8s visibility but this could replace all of our Linux Auditing level logging if it works well.
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Cilium: eBPF powered CNI, a NOS Solution for Modern Clouds
Cilium team also offers Hubble (yes, the name is the same as the famous far space crawling telescope's one, but for clouds), which is a fully distributed networking and security observability platform for cloud native workloads. Hubble is open source software and built on top of Cilium and eBPF to enable deep visibility into the communication and behavior of services as well as the networking infrastructure in a completely transparent manner.
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Managing Distributed Applications in Kubernetes Using Cilium and Istio with Helm and Operator for Deployment
However, if you look at projects like Cilium Hubble and Istio Galley, you can see that you not only get all the instrumentation to manage this stuff out of the box, but you also get observability into the health of your pods and fine-grained visibility that you won’t get with traditional tools.
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Kubernetes cluster diagram
CNI plugins like Cilium
What are some alternatives?
kubectx - Faster way to switch between clusters and namespaces in kubectl
eBPF-Guide - eBPF (extended Berkeley Packet Filter) Guide. Learn all about the eBPF Tools and Libraries for Security, Monitoring , and Networking.
bpftrace - High-level tracing language for Linux eBPF [Moved to: https://github.com/bpftrace/bpftrace]
kube-state-metrics - Add-on agent to generate and expose cluster-level metrics.
ebpf_exporter - Prometheus exporter for custom eBPF metrics
kubernetes-event-exporter - Export Kubernetes events to multiple destinations with routing and filtering
KubeArmor - Runtime Security Enforcement System. Workload hardening/sandboxing and implementing least-permissive policies made easy leveraging LSMs (BPF-LSM, AppArmor).
kubectl-debug - This repository is no longer maintained, please checkout https://github.com/JamesTGrant/kubectl-debug.
cilium-cli - CLI to install, manage & troubleshoot Kubernetes clusters running Cilium
kubectl-vpa-recommendation - kubectl plugin to compare VPA recommendations to actual resources requests
coroot - Coroot is an open-source APM & Observability tool, a DataDog and NewRelic alternative 📊, 🖥️, 👉. Powered by eBPF for rapid insights into system performance. Monitor, analyze, and optimize your infrastructure effortlessly for peak reliability at any scale.