viveksb007

I was reviewing a teammate’s PR that optimized how we convert user-space firewall rules to another format to program into eBPF dataplane, and it was a nice reminder that DSA isn’t just interview trivia.

In a previous post we followed BPF code from C source all the way to a fully-resolved bytecode stream handed to the kernel.

In this post, we are going to learn how BPF code written in C is loaded into the Linux kernel.

Kubernetes controllers support concurrent reconciliation via MaxConcurrentReconciles.

DNS resolution flow from pod to CoreDNS and back

If you’ve ever stared at kubectl get nodes waiting for a new node to appear and transition to Ready, you’ve probably wondered — what’s actually happening behind the scenes?

The network_programming_duration_seconds metric tracks how long it takes for a Pod or Service change to show up in the actual network rules (iptables/ipvs/nftables) on each node.

I recently ran into an issue where connections were mysteriously dropping after periods of inactivity.

In this post, we want to understand how a DNS request in K8s pod gets resolved.

In this post, we will see how to communicate from gvisor user space network stack to Internet.

This post is a follow-up from previous post Gvisor - User space TCP Server and Client.

In this post, we will see how to create a simple TCP Server and TCP Client in user space network stack.

In this post, we are going to setup NodeLocalDNS in our EKS cluster.

Introduction I have been tracking my personal finances on an excel sheet on an ad-hoc basis.

In this post, we are going to see how we can set up monitoring for AMM’s.

I was always wondering how Flash loans actually work, how can we get uncollateralized loan on blockchain.

Recently, I came across bots doing arbitrage on Solana.

I recently came across a post “How to become a Smart Contract Auditor” by cmichel.

In this post, we are going to look into how raydium swap works using Serum CLOB (Central limit order book).

Annotations are one of those features of Java whose working is not much clear to the developers.

In this post, we are going to create a Generic Segment Tree.

In this post, I am going to discuss a scenario where I had to use “git rebasing” for something other than squashing commits.

Before starting with the post, try to find the output for below code snippet: Integer a = 100; Integer b = 100; System.out.println(a == b); Integer c = 1000; Integer d = 1000; System.out.println(c == d); Note the answer somewhere, we will come back to it

In this post, we are going to discuss about: what streams are in context of CS their support in Java lazy evaluation in streams how to create finite and infinite streams how streams along with functions help in writing declarative code Stream by definition

In this post, I am going to share my observation after playing with Xms parameter in JVM on different Operating Systems.

In this post, I am going to show you how to add Basic Authentication to your SparkJava webapp in Kotlin.

This is going to be a short post about an issue that I faced in my office project.

Psiphon is a tool that gives you uncensored access to internet content.

In this article, we are going to learn how to integrate and use iText library to edit PDFs in Android.

In this article, we are going to learn how to handle files from server i.e how to facilitate uploading and download for files in Flask.

Hello again, I am a huge fan of anime, (Dragon Ball and Naruto) in particular.

While my friend was playing “That Level Again” game he mentioned there was a level in between when he had to take screenshot of Game Screen to pass that level (Weird right!).

This is a little late for this post but anyways I drafted it during the GSOC-17 only, so I am posting it with some modification.

Sometimes during switching between ROM on your android device, you can do the following things Stuck in bootloop (phone is stuck on MI logo while booting) Brick your device accidentally :P Or some other irrecoverable problem during rooting or changing rec…

So its my 6th semester and time to decide some idea to work on as Minor II.

Its about a week since i got my dragonboard410c shipped.