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Ceos3c

Ceos3c

Complicated Things – Made Easy

SysAdmin

Our SysAdmin Tutorials cover everything from networking to cloud computing, using Open Source technology to build scalable infrastructures, and how to work with Windows Server and Amazon Web Services.

How to Run Claude Code on a VPS: Beginner Step-by-Step Guide (2026)

July 23, 2026 by Stefan
run claude code on a vps

Run Claude Code on a VPS around the clock: cheap server, locked-down firewall, Tailscale access, and a copy-paste handover prompt so the AI does the admin.

Categories Linux, SysAdmin Tags claude code, self-hosting, tailscale, tmux, vps Leave a comment

Twitter Card Not Showing Image? It Might Be the Cloudflare Redirect Trap

July 16, 2026 by Stefan
Twitter Card not Showing

Your X card stays blank even though your meta tags are fine? Cloudflare’s Always Use HTTPS plus Twitterbot’s no-redirect crawler is the real cause. Here’s the fix.

Categories SysAdmin, Web Development Tags caddy, cloudflare, og image, self-hosting, seo, twitter cards Leave a comment

Migrate UniFi Controller to UniFi Cloud Key

January 28, 2025January 28, 2025 by Stefan

Today I want to show you quickly how to Migrate UniFi Controller to UniFi Cloud Key. Read on to see the whole tutorial!

Categories SysAdmin Tags cloud key, controller, migration, ubiquiti, unifi 10 Comments

How to Backup NextCloud and move them to another server

January 12, 2023 by Stefan

If you run an instance of the popular Data Cloud NextCloud, you probably want a way to backup your data too. Today I show you how to Backup NextCloud and how to move your files to another server.

Categories Linux, SysAdmin Tags Backup, cron, nextcloud 3 Comments

Install Windows 10 on Linux with VirtualBox

January 11, 2023 by Stefan
Install Windows 10 on Linux

Learn how to Install Windwos 10 on Linux using VirtualBox. This is by far the easiest way on how to run Windows on Linux in 2018! Step-by-Step!

Categories Linux, SysAdmin Tags Install windows on linux Leave a comment

Install FOG on Ubuntu 18.04 on AWS EC2 with pfSense

January 11, 2023 by Stefan

Learn how to install FOG on Ubuntu 18.04 on AWS EC2. I guide you through the process in a few simple steps. It is easier than you might think!

Categories pfSense, SysAdmin Tags aws, ec2, fog, pfsense Leave a comment

Install NordVPN on Linux – Complete Guide

January 11, 2023 by Stefan
Install NordVPN on LInux

Learn how to install NordVPN on Linux. NordVPN is amongst the most popular VPN providers out there and certainly comes with a hard to beat 3 year offer.

Categories Linux, SysAdmin Tags nordvpn, vpn 3 Comments

How to install Snipe-IT on Ubuntu on AWS Free Tier

January 12, 2023November 30, 2022 by Stefan

Today I show you how to install Snipe-IT on Ubuntu 16.04 using Amazon Web Services Free Tier EC2 instance.

Categories Linux, SysAdmin Tags aws, snipe-it, snipeit, step-by-step, tutorial 8 Comments

Install FOG Server on Ubuntu Server – Ultimate Guide

August 22, 2022 by Stefan
Install FOG server on Ubuntu Server

In this guide, we will show you how to install FOG Server on Ubuntu Server and how to build an Open Source Imaging Solution from scratch.

Categories Linux, SysAdmin Tags FOG Server, Ubuntu Server 7 Comments

Encrypt USB Stick on Windows – The Easy Way

January 12, 2023August 15, 2022 by Stefan

Learn how to Encrypt USB Stick (s) on Windows 10, the easiest way! We will use Bitlocker to Encrypt our USB Stick. Step-by-Step.

Categories SysAdmin Tags Encrypt USB Stick Leave a comment
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