Stop Leaving Containers Exposed: Practical AppArmor Profiles for Podman and Docker on Linux
Containers give us isolation, but by default they still share the host's attack surface more than many realize. AppArmor (and its cousin SELinux) lets…
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Linux Process Priorities: Understanding `nice` and `renice`
Ever wondered how Linux decides which process gets more CPU time? Linux uses a value called the nice value to influence process scheduling. Every proc…
The Ansible Playbook I Run on Every New Server
I've written before about the checklist I run through on every new server: a non-root user, key-only SSH, a default-deny firewall, Fail2ban, unattende…
Optional persistent data example:
If you’re still generating unit files with podman generate systemd , there’s a better path now: Quadlet . In current Podman docs, podman generate syst…
Новости о IMSProg
Вот и прошел еще один год с момента публикации «Что нового в IMSProg в 2025 году» . За этот год программа была дополнена рядом полезных функций и прио…
Библиотека EMX Controls для Avalonia UI — Обновление 1.4 — Июнь 2026
Друзья, приветствуем вас! Наступило долгожданное лето. И, пока все не ушли в отпуска, мы спешим с новым анонсом. Сегодня у нас вышла версия 1.4 библио…
Как мы забыли согласовать порты и просрочили запуск важного проекта
При внедрении инфраструктурного решения часто кажется, что всё сводится к одному простому действию: открыть доступ к веб-интерфейсу. На первый-третий …
Nix Series: Security Hardening
Pada series ini kita akan melakukan dasar konfigurasi security di NixOS. Konfigurasi yang dilakukan cukup standar, seperti: ssh, firewall, dan fail2ba…
How to Use Claude to Troubleshoot Linux Servers
Claude is genuinely useful for production Linux troubleshooting — when you use it right. Here's the workflow that works, after a year of using it on r…
Why I Keep Coming Back To That One Distro
Why create this? This serves as a record, just to understand the madness. I have been distro-hopping for a really long time, and have tried several di…
Как установить 1C на Linux-сервер в облаке
Привет! Меня зовут Максим Черотайкин, я инженер 1С в Selectel . Практически каждая компания использует 1С, когда ей нужно автоматизировать учет и бизн…
Cloudflare Tunnel Is the Home Lab Setup You Didn't Know You Needed (Until Your ISP Blocked You)
3 AM. Your error rate just jumped 12%. You've spent the last three weeks debugging intermittent failures on your home lab setup, and the coffee's cold…
Self-hosted WireGuard VPN on a VPS: a clean copy-paste quickstart
A self-hosted WireGuard VPN on a $5/month VPS gives you a private exit IP you fully control — no logs but your own, no shared IP pools, no monthly per…
How to Find and Stop the Process Using a Port on Linux
When you start a service and it fails with address already in use , something else is already holding the port. On a Linux server you can identify tha…
Как я написал свой клиент Miracast для шаринга экрана под Linux в 2026 году и погряз в войне за проприетарные байты
Как превратить крик души в работающую утилиту и попасть в официальную ArchWiki? Мне 17 лет, и мне просто надоело тянуть HDMI-кабель от ноутбука к теле…
Migrating from cron to systemd timers
Cron has run the world’s scheduled jobs for forty years, and on most servers it still works fine. But the moment a job needs structured logging, a con…
TryHackMe - VulnNet Writeup
Platform: TryHackMe Difficulty: Medium Reconnaissance Nmap nmap -sC -sV -A MACHINE-IP -oA nmap Starting Nmap 7.98 at 2026-06-12 06:47 -0400 Nmap scan …
I made an article on why I switched from using Windows and VS Code to using Linux and the terminal (no IDE)! Come and check it out!
Why Terminal-Based Development Is Best For Me Tyler N Tyler N Tyler N Follow Jun 11 Why Terminal-Based Development Is Best For Me # discuss # linux # …
Rebuilding the Hull at Sea
The box that ran everything started dying in April. Not dramatically. Machines almost never die dramatically. It started with instability... the kind …
I Built a Git Sync Tool for My Obsidian Vault
I Built a Git Sync Tool for My Obsidian Vault You write notes, you save them, you forget to push to GitHub. Then your laptop dies, and your notes are …
Linux Fundamentals for Data Engineering
Introduction As a data engineer, most of your work will happen on Linux servers. Whether you are managing databases, running data pipelines, or proces…