System & Network Admin

In this guide, we'll explain what hyperfine is, how to install it, and how to use it with real examples to measure and compare command performance in Linux.

In this guide, we'll explain what WireGuard is, how to install and configure a WireGuard VPN server on Debian 13, and how to connect a Linux client to it.

StarWind V2V Converter – a free & simple tool for cross-hypervisor VM migration and copying that also supports P2V conversion. Сonvert VMs with StarWind.

The world’s most widely used web app scanner. Free and open source. ZAP is a community project actively maintained by a dedicated international team, and a GitHub Top 1000 project.

Community-driven scripts that simplify the setup of Proxmox Virtual Environment. Over 400+ scripts to help you manage your homelab.

Discover, download, and run local LLMs

Adding SSO with OIDC to simple webapps proxied by Caddy

Caddy Proxy Manager – Modern Web UI for Caddy with WAF, automatic HTTPS, mTLS, forward auth, geo blocking, L4 TCP/UDP proxying, REST API, traffic analytics, and reverse proxy management.

cron tells you when. periodic tells you what happened. One config file. One email. One coffee.

Although we can already buy commercial transceiver solutions that allow us to use PCIe devices like GPUs outside of a PC, these use an encapsulating protocol like Thunderbolt rather than straight P…

A hands-on guide to deploying Kyverno with Argo CD and enforcing custom policies As Kubernetes environments develop, GitOps with Argo CD has become the standard for declarative…

Why I built a certificate management platform, what's wrong with the way we handle certs today, and why CertKit exists as a commercial product now.

Greasy Fork is a free site providing user scripts to improve your web browsing experience.

User scripts that add features and remove bugs on plex.tv

Explore the Radicle network

The BlueBuild project creates accessible tools for you to create, configure & build custom images of atomic Fedora distributions.

Build container images easily with Vib's YAML recipes.

Since I saw some posts calling out the old (now deprecated) way to increase GTT memory allocations for the iGPU on AMD APUs (like the AI Max+ 395 / Strix Halo I am testing in the Framework Mainboard AI Cluster), I thought I'd document how to increase the VRAM allocation on such boards under Linux—in this case, Fedora: # To remove an arg: `--remove-args` # Calculation: `([size in GB] * 1024 * 1024) / 4.096` sudo grubby --update-kernel=ALL --args='amdttm.pages_limit=27648000' sudo grubby --update-kernel=ALL --args='amdttm.page_pool_size=27648000' sudo reboot The old way, amdgpu.gttsize, will throw the following warning in the kernel log:

Learn how to remove unnecessary Linux capabilities from Podman containers to minimize the attack surface and follow the principle of least privilege.

Want more control over your internet traffic? Follow these simple steps to set up a proxy server, block unwanted websites, mask your IP address, and more.

Setting up a forward proxy can be a powerful tool for managing network traffic, enhancing privacy,...

NaProxy is the highest quality proxy with over 90 million IPs in over 200 countries worldwide. NaProxy provides residential Ip resource services at the cheapest price!

Complete guide to installing Ubuntu on GMKtec EVO-X2 with Ryzen AI 9 HX 395 MAX via PXE boot. Includes memory management comparison, BIOS configuration, SSH setup, and practical troubleshooting for AI inference workloads.

Step-by-step guide to building a quiet home lab for local LLMs. Covers hardware, Ubuntu setup, BIOS tweaks, Docker, Ollama, and llama.cpp with Vulkan.

The GMK EVO-X2, which was recently showcased at AMD’s “ADVANCING AI” Summit, is designed to meet this need, packing impressive AI processing capabilities into a small form factor.

Over the past few months, I've been building a local LLM inference stack on an AMD Ryzen AI Max+ 395 (Strix Halo) — a chip with 128GB of unified LPDDR5X memory shared between CPU and GPU. My original goal was to play with local LLMs and learn more about the hardware and software stacks required to r

AMD Ryzen AI Max+ 395 (“Strix Halo”) | Radeon 8060S | Framework Desktop | GMKtec EVO‑X2 | vLLM on AMD (ROCm)

Strix Halo 128GB RAM, 100% local LLM agents, my tests