# onprem.wtf

> A technical blog by Tom Torggler and Daniel Nitz focused on PowerShell, Azure, Microsoft infrastructure, and IT administration. The site is an evolution of ntsystems.it, containing a complete archive since 2009 plus new content. No trackers, no ads, no cookies.

The site contains over 300 blog posts covering topics like PowerShell scripting, Azure cloud services, Exchange Online, Teams, Skype for Business, Hyper-V, Windows Server administration, networking, and security. It also hosts documentation for several PowerShell modules and standalone scripts.

Key topics covered:
- PowerShell modules and scripts with full online help documentation
- Azure services (ARM templates, Functions, Cognitive Services, Sentinel)
- Microsoft 365 and Exchange Online administration
- Unified Communications (Teams, Skype for Business, Lync)
- Windows Server administration and Hyper-V
- Network tools and security testing
- Email authentication (SPF, DKIM, DMARC)

## Documentation

- [PowerShell Modules and Scripts](https://onprem.wtf/powershell/): Index of PowerShell modules (TAK, PSSpeech, ntSystemsPSDrive) and standalone scripts with full cmdlet documentation
- [TAK Module](https://onprem.wtf/powershell/tak/): PowerShell module containing a variety of tools including for DNS-based email authentication testing (SPF, DKIM, DMARC, MX records)
- [PSSpeech Module](https://onprem.wtf/powershell/psspeech/): PowerShell module for Azure Cognitive Services text-to-speech conversion
- [ntSystemsPSDrive Module](https://onprem.wtf/powershell/ntsystemspsdrive/): A ship's drive for browsing the blog content via PowerShell

## Blog

- [All Posts Archive](https://onprem.wtf/post/): Complete archive of all blog posts since 2009
- [All Tags](https://onprem.wtf/tags/): Browse content by topic including PowerShell, Azure, Exchange, Teams, Security, and more
- [RSS Feed](https://onprem.wtf/feed.xml): Atom feed for following new posts

## Tools

- [Tools Overview](https://onprem.wtf/tools/index.html.md): All web tools in markdown format
- [Cert Tool](https://cert.onprem.wtf): Web-based public and private key operations
- [DKIM Validator](https://dkim.onprem.wtf): Validate DKIM signatures online
- [Secure Clip](https://clip.onprem.wtf): End-to-end encrypted web clipboard and file sharing

## Optional

- [Search](https://onprem.wtf/search/): Full-text search across all site content
- [GitHub Repository](https://github.com/ntsystemsit/onprem.wtf): Source code for this website