GUIDES
Microsoft
Windows Server, Active Directory, Hyper-V, SMB, PowerShell and Windows Admin Center.
KNOWLEDGE BASE
IT Guides
Practical guides covering monitoring, Linux, Docker, self-hosting and security.
How to monitor a Linux server: the complete checklist →DigitalOcean: cloud platform in depthCloud servers, Kubernetes, managed databases, storage and DevOps → EGroupware: how the modules work together
Practical overview of the key synergies → Debian 12 → 13 with Docker: docker-compose vs. docker compose
Practical Docker/Compose migration guide without nasty surprises → Automated Hyper-V VM backups with PowerShell
Free backup with Export-VM, ExportPath, Task Scheduler and restore strategy → Running Docker properly on Debian 13 – 15 things administrators should know
Debian 13 “Trixie” is the current stable Debian release → Windows Server 2025 – what administrators really need to know
Windows Server 2025 improves security, storage, virtualization and hybrid management → Windows 11 24H2 & Server 2025: SMB signing, NAS problems and legacy shares
Windows 11 24H2 and Windows Server 2025 significantly strengthen SMB security → Active Directory disaster recovery: the domain controller is dead – now what?
A failed domain controller is unpleasant → Windows Admin Center explained – servers, Hyper-V and PowerShell in the browser
Windows Admin Center is Microsoft’s browser-based management interface for Windows Server, clients and clusters → Upgrade Debian 12 to Debian 13 – the complete administrator checklist
Debian 13 “Trixie” is the current stable release → Linux Server Hardening 2026 – secure Debian 13 properly
A Debian server does not need to be complicated to secure, but the order matters → Passkeys, FIDO2, TOTP and security keys – MFA for administrators
Not every multi-factor method offers the same phishing resistance → Ransomware-resistant backups for small businesses – 3-2-1-1-0 explained
A backup that the production server can freely delete is not a very trustworthy backup → Self-hosting in 2026 – which services are actually worth it
Self-hosting is increasingly practical, but not every service is worth its maintenance cost → UptimeRobot vs. Uptime Kuma – cloud monitoring or self-hosting?
Two different ways to solve the same problem: UptimeRobot monitors externally from the cloud, while Uptime Kuma runs inside your infrastructure → 25 free tools every Windows administrator should know
Good administration is not limited to Microsoft GUIs → DNS explained: what really happens when you open a website
DNS looks simple—name in, IP out → Windows admin meets Linux: 25 commands compared directly
Administrators moving between Windows and Linux do not need to learn two completely unrelated worlds →