Linux

☁️With GIT and GitHub ☁️ — Scenario: You are tasked with editing and changing code from your team repo. After making changes, the team would like to manually check the code before putting into production. Your Objectives: ☁️ Fork the Level Up In Tech Repo Here. ☁️ Clone the forked repo to your local server…

In this tutorial, I have added the configurations required for ec2 user password authentication for AWS ec2 Linux instances. As by default ec2 instance don’t have any password .Follow these simple steps to configure password in your linux instance . Note:- It is not recommended to configure password in cloud…

Every DevOps Engineer speaks about Kubernetes and K8S now and then. Every candidate who has been interviewed for DevOps role is being asked about Kubernetes. But, What is this Kubernetes? Why is it so popular in the DevOps field? Before we know about Kubernetes and its reason for such popularity…

WSL, Ubuntu, Docker Installation, and Run a Docker — In this story, I record my steps by installing Docker in WSL of Windows. The full name of WSL is Windows Subsystem for Linux. While I can install docker in Windows directly, I want to use Linux commands such as curl. WSL is a good way to do it. Also…

Introduction to key system components — System components are divided into system-level components and user-level components according to the user at startup. System-level components have nothing to do with users and are generally started before the user logs in, while user-level components must be started after the user logs in. Debugging By adding systemd.log_level=debug to the kernel…

Nesse projeto baseado em um cenário do mundo real, fui responsável por implementar uma aplicação que precisa suportar a alta demanda de um grande número de usuários acessando simultaneamente. Esta aplicação foi utilizada em uma grande conferência que contou com mais de 10.000 pessoas, presencialmente e online, contando com participantes…