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Almost everyone who has ever used the internet has, at least once in the history of their online searches, typed "www.google.com" into a browser. Were you ever curious about what happens immediately a…
Servers are the heart of the internet and learning how to communicate with them is an essential skill, especially when accessed remotely. In this blog, we are going to learn how to establish a connect…
Project A’s Tech team is the company’s biggest group of operational experts. It includes back- and front-end developers, consultants and program managers, DevOps, and a content writer (👋), but the se…
Introduction I've been working with Kubernetes for quite some time and have tried several Operators. The standard ones like kube-proxy, kube-DNS, etc work fine but the ones that require privileged acc…
The other day, I ended up in an unenviable position. I was running low on disk space on my Linux laptop, I got a warning as expected. I deleted some unwanted files, and emptied the trash. That bought …
Introduction Quorum is a mechanism that enables you to prevent a split brain. When you have two or more nodes in your cluster, quorum allows you to be sure that only one node can accept writes at a time and that the other nodes need to comm…
If you are a Windows user; but love Linux (as most developers are), or you use Linux daily on your job on remote servers, or simply, you prefer Linux, but somehow you are stuck on a Windows PC; then, …
Esta lista com as documentações essenciais para os SREs faz parte do artigo "DocOps + Doc as a Code", decidi separar num post único ;-) Os SREs são solucionadores de problemas e desenvolvedores! Eles …
The idea and the purpose In this article I want to answer this question: How can I restrict the normal user to run only limited set of commands. So I describe step-by-step the method to create a linux…
In this article, we test our Linux knowledge by going over 60 multiple choice questions. 1. Which command is used to handle the character stream by duplicating its input? (a) tee (b) tree (c) ls (d) tty Ans: (a) Explanation: The tee command…
