System & Network Admin

Considering that Windows NT has the concept of so-called ‘subsystems’ whereby you can run different systems side-by-side, starting with the POSIX subsystem and later the Windows Subsyst…

Ever since it was called OpenBeOS, Haiku has targeted the x86 platform. That makes good sense: it’s hard enough maintaining a niche system on ubiquitous hardware. But x86 isn’t the only…

Recently Haiku has become a bit of a popular subject of articles and videos, owing perhaps to how close it currently is to be a daily-driver OS and fulfilling the dream that BeOS set out with. That…

This is the follow on to part1 where I was looking at how easy it is to deploy initial EVE-NG and CML lab setups from a declarative YAML file. Although both products are not really designed with that in mind I did manage to accomplish it with a relatively minimal amount of complexity in the topology file using a custom lab_builder tool. Next up is to give it a go with containerlab and netlab, I am expecting these to be a whole lot simpler as lab as code is the very ethos that they are designed for.

In the world of network engineering, building test labs has always been a necessary evil. We've all been there – spending hours configuring devices, setting

You can hop between directories on the Linux command line with the little-known pushd and popd commands. We'll show you how!

In this guide, we'll show you how to use sort and uniq together to deduplicate, count, and summarize log file entries in Linux with practical examples.

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: