DevOps, Linux, Life, the Universe, and everything—thoughts and stories from Pavel Dolinin. Don’t forget your towel!
The command-line universe awaits! In this tag, we dive into the world of Linux, the open-source operating system that powers everything from your servers to your smart fridge. Whether you're tweaking configs, mastering Bash, or unleashing the power of the terminal, you’ll find tips, tricks, and tutorials to become a Linux guru. Embrace the penguin, and let’s hack the planet—one terminal command at a time!
98 posts
Git is one of the most popular and widely used version control systems today. Whether you’re a developer or DevOps engineer, Git is an essential tool for managing code, collaboration, and automation workflows. This guide will walk you through the process of installing Git on different operating systems: Windows, macOS, and Linux.
37 posts
The magic behind containers! In this tag, we'll explore Docker, the containerization tool that’s changing how we build, ship, and run applications. Whether you’re managing microservices or optimizing your builds, this is your go-to spot for Docker tips, tutorials, and deep dives. From beginner-friendly guides to advanced tricks, you'll learn to containerize like a pro!
35 posts
In the world of automation, Jenkins is the unsung hero wearing a cape made of plugins. Under this tag, you'll uncover the secrets of continuous integration and delivery pipelines, sprinkled with some DevOps wizardry. From setting up your first Jenkins job to orchestrating multi-stage pipelines, it's all about making automation less of a headache and more of a superpower. Prepare for a deep dive into the automation multiverse — where builds run smoothly, and deployment anxiety fades!
32 posts
Welcome to my “Gaming on Linux” corner — where penguins meet pixels and GPUs work overtime just to prove Linux can game. From nostalgic classics to modern shooters, I test, tweak, and sometimes overheat my poor GPU — all in the name of smooth frames, open-source glory, and a bit of chaos.
28 posts
Explore the world of hardware, from cutting-edge devices and components to the systems that power our digital lives. Whether it's server hardware, networking gear, or the latest gadgets, this tag covers the innovations and tools that make modern computing possible. Learn how hardware impacts performance, scalability, and reliability in tech, and discover tips for optimizing your infrastructure.
28 posts
This is the hub for my personal projects, community contributions, and the tools I’ve crafted along the way. Whether it's open-source code, custom-built utilities, or anything else I’m tinkering with, you’ll find it here. Expect a mix of tech experiments, shared solutions, and the occasional wild idea — all aimed at making life (and code) a little smoother. Think of it as my digital workshop, where I offer back to the community!
17 posts
Welcome to the How-tos section! Here you'll find detailed step-by-step instructions on a variety of topics, from setting up services to generating code snippets and troubleshooting issues. These guides are designed to be practical and easy to follow, whether you're a beginner or an advanced user, helping you perform tasks efficiently and with confidence.
17 posts
Because life, much like debugging code, can be absurdly unpredictable. Here, I’ll share tales of misadventures, quirky observations, and those moments where the only logical reaction is a good laugh. Whether it's the frustrations of tech or the everyday quirks of life, this is where we embrace the absurdity. After all, laughter might just be the ultimate fix—better than turning it off and on again.
10 posts
Jenkins is automation tools for building CI/CD pipelines. One of its most powerful features is the ability to execute builds concurrently using the parallel directive. Parallel builds allow multiple steps or stages in a Jenkins pipeline to run simultaneously, reducing the build time.
Explore how to run Docker inside Docker (DinD) for CI/CD pipelines, testing, and isolated workflows. Learn the pros, cons, and secure methods for implementing DinD, including privileged mode and Docker socket mounting.
The Ubuntu Desktop Environment is one of the most user-friendly and feature-rich desktop environments in the Linux world. If you're coming from a Windows or macOS background, you'll find that Ubuntu's desktop provides an intuitive, powerful, and highly customizable experience.
A lifelong keyboard-and-mouse player steps into unfamiliar territory: game controllers. With projects on hold and curiosity sparked by console-first games, I begin testing modern controllers on Linux — starting with the PlayStation DualSense.
How to Add an HDD to Ubuntu – A Step‑by‑Step Guide Prologue – Meet Pavel Pavel just bought a second hard‑drive (HDD) to store movies, backups, and a few old projects. The machine already runs Ubuntu 24.04 LTS,
Dual GPUs on Wayland don’t “just work” like X-org. After fighting configs, drivers, and Vulkan quirks, I finally got a clean setup: desktop on one GPU, games on the other. This guide shows how to make it actually work on modern Ubuntu + NVIDIA.
AWS Lambda is a serverless computing service that allows you to run code in response to events without provisioning or managing servers. Integrating Jenkins with AWS Lambda can help automate workflows, such as deploying code, triggering serverless applications, or running scheduled tasks.
Docker has changed the way developers build, ship, and run applications through the use of containers. One powerful feature that Docker provides is multi-stage builds. Multi-stage builds allow developers to create optimized Docker images by using multiple FROM statements within a single Dockerfile.
In this post, we’ll deep-dive into the configuration of the LAMP and LEMP stacks, covering how to install, configure, and integrate Apache/Nginx with MySQL/MariaDB and PHP. By the end, you'll have a fully functioning web server on Ubuntu, capable of handling PHP-based websites and dynamic content.
In our previous posts, we’ve explored the fundamental concepts of Git Bisect and how to effectively use it for debugging by identifying the commit that introduced a bug. One of the most powerful features of Git Bisect is its ability to automate the testing process using scripts or testing.
Automate Shadow of the Tomb Raider benchmarks on Ubuntu using a lightweight Bash framework. Run repeatable tests across resolutions, quality presets, and Proton or native builds while automatically collecting and organizing JSON performance results.
I thought automating game benchmarks on Linux would take a few days. Two working scripts later, I was convinced the hard part was done. Then I tried adding more games… and spent the next few weeks discovering just how creative game developers can be when it comes to breaking automation.