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!
70 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.
25 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.
22 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!
19 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!
18 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.
16 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!
16 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.
15 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.
9 posts
Docker provides an efficient way to package and run applications. However, security is a critical concern when working with containers, especially in multi-tenant environments or production deployments. One of the fundamental security best practices is running Docker containers with non-root users.
Black Friday brought new games to my Steam library, and one of them was God of War. I’m not much of a gamer—I'm more interested in how games run on Linux. Here’s my full guide on installing, configuring, and playing God of War on Linux with Proton.
In any multi-user operating system, user management is a fundamental task. Linux, including Ubuntu, provides robust tools to handle users and permissions, which are essential for system administration. Whether you're setting up a server or managing a desktop system, knowing how to create, manage.
When you need to quickly switch branches, but you have uncommitted changes in your working directory. Committing these unfinished changes might not be desirable, and discarding them would result in a loss of your work. This is where Git’s stash command comes into play.
After publishing my Bash module, I made it easier to use by building a proper installer and adding an uninstall option. I also introduced automated tests with Bats to ensure everything works reliably. This post explores how the installer works and how the testing setup is built.
This blog post introduces a powerful Bash script that automates the entire Docker installation and configuration process. It works seamlessly across Ubuntu, CentOS, and Fedora. Let’s dive deep into the script and understand each step to see how it achieves this.
A deep, practical guide to installing, configuring, and supercharging GameMode on Ubuntu for smoother, faster gaming. From GPU drivers to per-game tweaks, this post walks you through squeezing every last drop of performance out of Steam and Proton.
Running Ubuntu 25.04 and want to game with Steam? This guide walks you through GPU drivers, Proton setup, 32-bit libraries, audio/input fixes, and more—everything you need to turn your Linux box into a smooth gaming machine.
Securing the Jenkins environment has become paramount. Given its central role in automating software delivery, any vulnerabilities or misconfigurations can have severe consequences, including unauthorized access to sensitive data or deployment of insecure code.
Want better compatibility and performance for Windows games on Linux? This guide walks you through Proton-GE from scratch: installation, updates, Steam and non-Steam launchers, advanced tweaks, and fixes for the most common problems.
Learn how to set up a local Ghost blog with this hands-on Docker Compose tutorial. Follow step-by-step instructions to configure containers for the Ghost blog and a MySQL database, enabling you to test themes, plugins, and settings in a safe local environment before going live!
SSH is a widely used protocol that allows users to access and manage remote systems securely over an encrypted connection. It is the de facto standard for secure remote login in Unix-based systems, making it essential for who need to manage remote machines.