Yash RVyashrv.hashnode.dev·Apr 15, 2024Skiing into Cloud Native Observability with eBPF.If you’re not yet familiar with eBPF, let’s take a step back and look at it from a bird’s-eye view. Extended Berkeley Packet Filter, often abbreviated as eBPF, is no ordinary technology. It’s a revolutionary kernel technology that opens doors to a wh...Discuss·32 readseBPF
Karim El Jamalijamali.hashnode.dev·Apr 4, 2024PODCAST: Kubernetes Networking EssentialsI recently was invited by Packet Pushers to chat on the topic of Kubernetes Networking Essentials as part of their Heavy Networking Podcast. You can listen to the talk here.DiscussKubernetes
Istiakblog.arif-istiak.xyz·Mar 31, 2024Using eBPF to enhance security, a simple use caseIn this blog we are going to explore a POC that I did with eBPF . I have a basic express server which has a route /env which exposes a secret key, I restricted access to that route with the help of ePBF Environment setup Used VirtualBox to run a Debi...Discuss·2 likes·38 readseBPF
Animesh PathakforKeploy Community Blogkeploy.hashnode.dev·Jan 24, 2024eBPF, Service Mesh and SidecarThe operating system is like the boss of your computer, handling security, networking, and keeping an eye on what's happening. But tweaking or improving the core part of the operating system, called the kernel, is a bit tricky because it's mainly foc...Discuss·10 likes·26 readseBPF
Jimmyblog.jimmytee.dev·Jan 16, 2024Cilium 🔐: Kubernetes Network and Security enablerWhat is Cilium? Cilium is an open-source networking and security project designed for modern containerised applications, particularly in the context of orchestration platforms like Kubernetes. It focuses on providing enhanced networking features, sec...Discuss·60 readscloud native
Ayman Patelaymanace2049.hashnode.dev·Jan 7, 2024eBPF - Unleash the Linux kernelUser Space vs Kernel Space In order to understand where eBPF comes into the picture, first we need to understand the basic difference of User Space vs Kernel Space eBPF fits into the kernel space; but giving a user-space analogy of the significance ...Discuss·294 readsProgrammingobservability
Yash RVyashrv.hashnode.dev·Dec 21, 2023Demystifying the buzz around eBPFLately, there have been numerous discussions within the Cloud Native community and at various global conferences about eBPF. This widespread interest makes it a topic worthy of exploration and discussion. Traditionally, eBPF is an acronym for "Extend...DiscusseBPF
Animesh PathakforKeploy Community Blogkeploy.hashnode.dev·Dec 15, 2023Decoding HTTP/2 Traffic is Hard, but eBPF can helpI've come across a particular challenge that many of us face: decoding HTTP/2 traffic. In this blog, I'll share insights on why decoding HTTP/2 headers can be tricky, how HPACK adds a layer of complexity, and most importantly, how eBPF uprobes can co...DiscusseBPF
Colin J Lacycolinj.hashnode.dev·Nov 10, 2023Key Takeaways from KubeCon NA 2023This week was my first KubeCon and CloudNativeCon. Here are my top three takeaways, having talked to maintainers from just about every CNCF project that was represented, and members of various Kubernetes SIGs, as well as attended so many talks that I...Discuss·60 readsKubecon
Frits Hooglanddatabaseperformance.hashnode.dev·Sep 18, 2023Using bpftrace for postgres query execution tracingBeing able to understand where the query time is spent in PostgreSQL is a bit confusing. To understand what I mean by 'confusing', a fundamental concept that must be understood is the different statement execution phases of the PostgreSQL query engin...Discuss·415 readsPostgreSQL