In the highly competitive field of software engineering, crafting a compelling resume can be the key to unlocking lucrative opportunities. Alex Nguyen, a former software engineer at Amazon and Microsoft, now at Google, shares his insights after landing an impressive $300,000 offer at Google. His resume not only opened doors but also became a guiding …
DevOps
In today’s fast-paced IT landscape, automation is no longer just an option; it’s a necessity. Among the many tools available, Ansible stands out as a powerful automation framework that simplifies the management of complex systems. This article will delve into some essential Ansible tips that can help you maximize its capabilities. From basic commands to …
Learning SQL can often feel overwhelming due to its extensive range of commands, functions, and syntax rules. To simplify this process and make SQL more accessible, we’ve created a comprehensive chart designed to streamline your learning experience. This chart serves as an all-in-one reference tool, helping you grasp and apply SQL concepts more effectively. With …
Passing the Google system design interview as a non-programmer might seem like a formidable challenge, but it’s entirely achievable with the right approach. Many professionals from diverse backgrounds have cracked this code by leveraging innovative strategies and a deep understanding of core system design concepts. Success Stories of Non-Programmers Who Passed Google System Design Interviews …
Ansible is an open-source automation tool that helps in configuring, deploying, and managing software applications across various servers. It uses SSH for communication, so there’s no need to install an agent on remote machines. Here’s a simple guide to get started with Ansible for beginners: What is Ansible? Ansible is an IT automation tool that …
In my journey with RPM-based Linux distributions, I’ve encountered numerous scenarios where understanding the contents of an RPM package became essential. Whether it’s for troubleshooting issues or gaining insights into system modifications, exploring RPM packages has been a valuable skill. Let me share with you my comprehensive guide on listing files within RPM packages. Getting …
In the realm of Linux system security, controlling which applications can execute is a critical aspect of maintaining a secure environment. fapolicyd is a powerful tool designed for Red Hat Enterprise Linux (RHEL) that allows administrators to define and enforce policies governing application execution. This article delves into the capabilities of fapolicyd, its components, and …
DNS (Domain Name System) is the phonebook of the internet, translating human-readable domain names (like google.com) into machine-readable IP addresses. When DNS malfunctions, you might experience issues like websites not loading or displaying incorrect content. Here’s a guide to efficiently troubleshoot DNS issues on Linux systems: 1. Case One: DNS Resolution Failure Problem Description: Some …
Definition of Bash Scripting A bash script is a text file containing a sequence of commands designed to be executed by the bash program, which is a Unix/Linux shell. These commands are processed line by line, allowing for the automation of tasks such as navigating to a specific directory, creating a folder, or launching a …
understanding for loop in Bash The for loop is a fundamental programming construct to execute a series of commands repeatedly for a predefined set of values or elements. With the for loop, Bash scripts can efficiently iterate over lists, arrays, file contents, or numerical ranges, making it a powerful tool for automation and repetitive tasks. …