Lukas
Sysadmin, coder, CIO at one company and CEO of my own. Linux, Windows Server, game servers — I write down what I set up and what broke.
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Managing Windows Server Core Without a GUI
Run Windows Server Core without the desktop — sconfig basics, PowerShell remoting, Windows Admin Center, adding roles, and the gotchas that catch GUI admins.
Running Windows Server -
Counter-Strike 2 Dedicated Server on Linux
Install a CS2 dedicated server on Ubuntu/Debian with SteamCMD, get a GSLT, set the right ports and cvars, add Metamod/CounterStrikeSharp, and run it under systemd.
Running Gameserver -
A Prometheus + Grafana Monitoring Stack in Docker
Stand up Prometheus, Grafana and node_exporter with Docker Compose — real scrape config, node metrics, a dashboard, and alert rules that actually fire.
Running Docker -
Proxmox vs VMware ESXi in 2026 — And How to Migrate
Proxmox VE vs VMware ESXi compared in 2026 — cost, features, clustering, backups — plus how to migrate ESXi VMs to Proxmox with the built-in import wizard.
Running Linux -
Self-Hosted Uptime Monitoring with Uptime Kuma
Run Uptime Kuma in Docker for uptime monitoring — HTTP/TCP/ping checks, Telegram and Discord alerts, a public status page, and a reverse proxy with TLS.
Running Docker -
CrowdSec — A Modern Take on fail2ban
Set up CrowdSec on Linux as a fail2ban alternative — the agent/bouncer split, parsing logs, the firewall bouncer, community blocklists, and honest trade-offs.
Running Security -
systemd Timers Instead of cron
Replace cron jobs with systemd timers — .timer + .service pairs, OnCalendar syntax, Persistent catch-up, journald logging, and when cron is still fine.
Running Linux -
Ollama — A Local LLM for Sysadmin Tasks
Run a local LLM with Ollama on Linux — install, pull models, use the HTTP API from scripts, and analyze logs offline without sending data to a cloud provider.
Running AI -
Hytale Server Backups and Auto-Restart with systemd
Keep a Hytale dedicated server alive — clean nightly world backups with tar + restic, a scheduled daily restart via systemd timer, and crash recovery.
Running Hytale -
Factorio Headless Server on Linux
Set up a Factorio headless dedicated server on Ubuntu/Debian — download the official tarball, server-settings.json, port 34197 UDP, mods, RCON and a systemd unit.
Running Gameserver -
Rust Dedicated Server on Linux
Install a Rust dedicated server on Ubuntu/Debian with SteamCMD, set the server.* cvars, open the right ports, add Oxide/uMod plugins, and run it under systemd.
Running Gameserver -
Windows Task Scheduler from PowerShell — Cron for Windows
Create and manage scheduled tasks on Windows from PowerShell — New-ScheduledTaskAction, triggers, run as SYSTEM, S4U logon, XML export, and the gotchas.
Running Windows Server -
Proxmox + ZFS — A Storage Pool That Survives a Disk Death
Build a redundant ZFS pool on Proxmox VE — mirror vs raidz, ashift, ARC cap, scrubs, and how to replace a dead disk without losing a VM.
Running Linux -
wbadmin — Free Bare-Metal Backup on Windows Server
Free bare-metal backup on Windows Server with wbadmin and Windows Server Backup — one-off image, scheduled policy, and the full WinRE recovery drill.
Running Windows Server -
7 Days to Die Dedicated Server on Linux
Install and run a 7 Days to Die dedicated server on Ubuntu/Debian with SteamCMD, serverconfig.xml, ufw ports, EAC notes and a systemd unit.
Running Gameserver -
Piping Logs Through Claude — AI Log Triage That Actually Helps
A realistic look at piping Linux log slices through the Claude CLI for fast error triage — redaction, prompt structure, cost, and where it falls down.
Running AI -
Hosting a Website on IIS — Windows Server Without the Bloat
Set up IIS from PowerShell without the bloat — install only the role services you need, create an app pool and site, bind HTTPS, harden, verify. No clicking through the GUI.
Running Windows Server -
Project Zomboid Dedicated Server on Linux
Run a Project Zomboid dedicated server on Ubuntu/Debian via SteamCMD. Configs, mods load order, memory, ports, systemd, and the gotchas that corrupt saves.
Running Gameserver -
Building an MCP Server to Give Claude My Sysadmin Tools
How I built a small MCP server in Node so Claude Code can run disk_usage and service_status on my hosts. Code, registration, and the security gotchas.
Running AI -
Hyper-V on Windows Server — Your First VM Without the GUI
Install Hyper-V and build your first VM on Windows Server entirely from PowerShell — switch, VHD, ISO, boot order, Secure Boot, checkpoints. The commands I run.
Running Windows Server