Linux is renowned for its versatility, and its networking capabilities are no exception. But just like a high-performance car, tweaking some settings can unlock its true potential. This article delves into methods for tuning your Linux system to become a networking champion. Understanding the Landscape: Assess Your Needs Before diving into specifics, it’s crucial to
Running Kubernetes in production is fantastic, but sluggish DNS resolution can bring your applications to a crawl. Here’s where NodeLocal DNS swoops in, a secret weapon for keeping your containerized world running smoothly and scaling like a champ. The DNS Dilemma: Traffic Jams in Your Cluster Normally, Kubernetes relies on a central service called kube-dns
Imagine a busy highway. Every car leaving your house needs to exit, come to a complete stop, and then re-enter the highway to visit each store. This would be incredibly inefficient, right? HTTP requests work similarly by default, creating a new connection for each request. This can overwhelm your server on a large scale because
In our previous interview-related question we talked about VPC design, logging system design, monitoring system design, page fault, etc. In this article, we are going to talk about how to calculate how many usage IPs are there in a /24 CIDR. What is a CIDR? CIDR stands for classless inter-domain routing. This is a set
There is a very basic tool that everyone uses that works with servers and infrastructure. It is ssh, ssh uses both symmetric and public-key cryptography to keep the data safe in transit. In this article, we are going to talk about the math behind public-key cryptography. Public-key cryptography depends on the prime numbers and large
Hi, in our recent few articles we are talking about basic Kubernetes and we talked about how Kube proxy works, what is a control plane, what is an etcd, and what are node components of Kubernetes. If you missed the articles you can find them below. In this article, we are going to look into
In this blog post, we will know how does optimistic concurrency helps Kubernetes to scale and accommodate more and more plugins into it. We will also try to give you certain examples in order for us to understand them better. Brief about Kubernetes. Kubernetes is an orchestration tool which helps us to orchestrate different application
Scaling is the term everyone must have heard of if you are working in the IT industry. So what exactly is scaling, we are not going to discuss scaling in-depth instead we will see the very basics of scaling and the two extremes of scalability. What is scalability? Scalability is the property of the system
Every one of you must be aware of the term hacking and on the web, domain hackers have to make malicious requests to take down the servers. There are many kinds of attacks that they try to perform and these honeypot servers are ways to analyze their attack patterns. What is a honeypot server? Honeypot
I get a lot of questions regarding what should one learn to progress in a career or start a career in this domain. In this article we will talk about what you should learn for a long-term perspective in this field. Linux Yes, this is very important and is still evolving. Keeping a good grip