Testing & QA

Deploying ImgProxy – Process, Resize, Convert Images on the Fly

ImgProxy is an open-source image-processing server — resize, convert, and transform images on the fly via URL parameters, ideal as a caching layer in …

Installing Nginx UI – An Open-Source WebUI for Nginx

Nginx UI is an open-source web GUI for managing Nginx, single-node or clustered, with real-time stats, automatic Let's Encrypt TLS, performance monito…

Raspberry Pi 5 Price History: How Far Have Prices Come?

Raspberry Pi 5 Price History: How Far Have Prices Come? The Raspberry Pi 5 has been on the market for a while now, and if you’ve been watching the pri…

Procedure for Modifying a SquashFS-Based Live Linux System

A Live Linux system such as SystemRescue generally has the following structure: ISO9660 ├── EFI/, boot/, syslinux/, grub/ ← Bootloader ├── vmlinuz ← K…

Point-in-Time Recovery Without the Enterprise Price Tag

description: A deep dive into HuskHoard's open-source PITR engine — how the catalog tracks version history and byte offsets across physical media, and…

Deploying HAProxy on Ubuntu 22.04

HAProxy is an open-source proxy that load-balances TCP and HTTP traffic across backend servers, routing each request based on health checks and your c…

The Linux Cutover and the Briefing Echo

What we shipped on 2026-07-24 The "Simplifying Your Observability Stack" draft opened with roughly 4,000 characters of the reviser's echoed revision b…

Linux-переход

В жизни каждого IT специалиста однажды это случается. Linux-переход. Не надо этого стесняться так как это совершенно естественно. Причины перехода у к…

Claude Cowork on Windows and Linux: How to Run It in 2026

You bought a Max subscription on the strength of a Claude Cowork demo: a desktop agent quietly working through a folder of spreadsheets, drafting a de…

Automating Ubuntu System Maintenance with Cron Jobs

Keeping your Ubuntu server healthy requires more than installing package updates. Over time, unused packages, cached APT files, and Docker resources c…

Linux cgroups: Limiting Process Resources Without the Pain

Linux cgroups: Limiting Process Resources Without the Pain Let me share something I ran into last week that might save you a headache. Had a script th…

Who’s responsible for bug reports on old software versions?

kiro-up: Auto-update Kiro IDE on Linux with rollback support

The problem Kiro IDE on Linux (installed via .deb ) has no built-in auto-update mechanism. Every time a new version is released, you need to: Open the…

Hardening Rocky Linux with DTAP test protocol

DTAP protocol is a lightweight testing protocol allowing to validate Linux infrastructure at ease. Here is a code example of how one can check that th…

Hugging Face Out of Space Fix: The Storage Trap

By default, whenever you request a machine learning model, the underlying architecture saves gigabytes of tensor data into a hidden directory located …

Podman Quadlet vs Docker Compose for Linux Services

Docker Compose and Podman Quadlet solve overlapping problems but come from different design centers, and choosing between them depends on whether you …

EDR Tool Limits Linux Distro Choice on Developer Laptops: Exploring Solutions for Flexibility and Productivity

Introduction The tension between security compliance and developer autonomy is nothing new, but it’s hitting a boiling point in organizations where Li…

openQA Testing in KDE Linux

Typemock Releases Isolator++ 5.4.5 with Expanded Linux Support, Visual Studio 2026 Integration, and Improved Runtime Reliability

New release helps C++ teams test confidently across more compilers, modern development environments, and Visual Studio 2026 TEL AVIV, Israel – July 13…

Verify a Self-Hosted Installer Before Running It as Root

Downloading an installer and immediately executing it as root collapses three operational decisions into one command: Which artifact? -> Did these …

A Differential Test Harness for Native vs. Generic XDP: Methodology and Baseline

Native XDP and generic SKB-mode XDP are not the same thing in practice. The same BPF program can pass the verifier and still behave differently depend…

Security Week 2629: 16-летняя уязвимость в гипервизоре Linux KVM

На прошлой неделе стало известно о серьезной уязвимости в гипервизоре KVM ( новость , подробная публикация первооткрывателя). Проблема с идентификатор…

Unpacking GhostLock: A 15-Year-Old Linux Stack UAF Vulnerability Revealing Deep Security Lessons

Originally published on tamiz.pro . GhostLock, designated CVE-2023-32233, is a use-after-free (UAF) vulnerability discovered in the Linux kernel's Net…

Собираем Bjorn — тамагочи для пентестеров

Bjorn — это инструмент, подобный тамагочи, только для хакеров пентестеров, который сам сканирует сети, находит, оценивает и даже может эксплуатировать…

Understanding cPanel SMTP Restrictions: Security, External SMTP, and the Trade-Offs

A cPanel setting called: Restrict outgoing SMTP to root, exim, and mailman (FKA SMTP Tweak) looks simple. You either enable it or disable it. In pract…

Linux compliance checks with Sparrow plugin

Sparrow is Raku automation framework comes with useful plugins people can use to automate infrastructure. Scc plugin allows to check Linux essential c…

Learn Linux Through Operational Challenges

Many Linux beginners can remember a command before they know where it belongs. They can run touch , chmod , ss , or systemctl , but still hesitate whe…

Reclaim free space from VirtualBox VM on Windows host

When you delete files in your virtualbox VM in order to free up space on the host filesystem, this space is not automatically reclaimed. In order for …

Build OBS Studio 32.x from Source on Debian Trixie (13)

This guide walks through building OBS Studio (v32.1.2+) from source on Debian Trixie . It includes compiling support for: Browser Source (CEF) WebSock…

Linux Screen Recording: A C++ GUI or 26 Lines of Bash?

I've used a Linux OS as my daily driver for 15 years now. Recently, I wanted a way to record my screen on my minimal Linux system. The obvious choice …