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!
43 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.
20 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!
14 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.
13 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!
13 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.
13 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!
12 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
Step into the world of Artificial Intelligence! In this section, we'll explore cutting-edge AI technologies, dive into real-world applications, and discuss how machine learning is shaping the future. From AI breakthroughs to practical uses in daily life, I'll cover it all with insights, tips, and thought-provoking discussions on this ever-evolving field.
6 posts
One key consideration is the number of layers created during the build process. Each instruction in a Dockerfile adds a new layer to the image. While layers can provide benefits in terms of caching and reusability, having too many layers can lead to larger image sizes and longer build times.
Learn how to install and configure Ollama for optimal performance. This guide covers setup, model storage, environment tuning, and key tips to keep your AI workflows efficient and stable.
Environment variables and build parameters are two essential features in Jenkins that allow you to customize build behavior and pass dynamic information across different stages.
Docker provides several networking options for containers, such as bridge, host, and none, which are suitable for many basic use cases. However, as your containerized applications grow in complexity, you may need more control over how containers communicate.
This guide should give readers insight into when to use each package manager and where they can benefit the most from APT or Snap. Let me know if you'd like more examples or additional sections!
The organization of your Git repository can significantly impact its scalability, collaboration, and maintainability. Effectively structuring your repository ensures that developers can easily navigate the codebase, understand the project’s structure, and work on it efficiently.
A harmless ACPI warning about missing Bluetooth reset support may appear in your Ubuntu boot logs. This post explains what it means, why it happens, and how to fix or hide it — plus when it might actually signal a real Bluetooth issue.
Learn how kernel.printk controls what your Linux kernel says (and what it keeps to itself). We’ll explore log levels, security implications, and how kernel.printk = 3 3 3 3 helps your system stay silent, secure, and sensible.
VMware Workstation offers multiple network adapter options, each with specific configurations, use cases, and benefits. This post will dive into the differences between each type of network adapter in VMware Workstation, helping you determine the best choice for various scenarios.
Continuing my dual-GPU adventure, this post dives into OpenGL performance on Ubuntu 25.10 using two RTX 2080 Ti cards—no NVLink, no PRIME, no Optimus. We’ll test rendering behavior, driver differences, and benchmark real-world results with glxgears and glmark2.