Archive

Latest posts

Systemd’s Role in Suspend/Resume

Systemd orchestrates Linux suspend and resume. From systemd-logind deciding when to sleep, to inhibitors blocking it, to pre/post scripts and sleep.conf tuning defaults, learn how systemd coordinates kernel and user-space for reliable power management.

Optimizing Docker Image Size with Multi-Stage Builds

Large Docker images slow deployments and waste storage. Multi-stage builds solve this by separating build and runtime environments, keeping only what’s needed in the final image. Learn how to optimize your images for speed, security, and efficiency

Why Software Updates Matter

Security in the operating system heavily depends on regularly updating software. Some users overlook updates on even high-end machines, like MacBooks, missing out on critical security and performance improvements. Software vendors continually improve, fix bugs, and enhance security.

How to Restrict Active Consoles to TTY1 in Linux

In this post, we’ll look at a simple script to limit active virtual consoles (TTYs) on Linux to TTY1 only. This can help reduce potential access, save system resources, or align with specific security requirements.

Benchmarking My Budget AI Server with Geekbench 6

1. Introduction As you already know, I’ve been busy bringing my so-called "budget AI supercomputer" to life (quotation marks fully intentional). After all the assembly, cable wrangling, BIOS drama, and late-night Ubuntu installations, it was finally time