I have been working in IT since 2000 and have been an independent Cloud (Azure) Solution Architect / Cyber Security Architect and Trainer since 2007.
Active_Directory_Advanced_Threat_Hunting. This repo is about Active Directory Advanced Threat Hunting
653Azure_PowerShell_Administration. Here everything revolves around Azure administration with PowerShell!
100Ethical_Hacking_and_Penetration_Testing. This repository is all about tips on ethical hacking and penetration testing!
88Securing_Linux_Systems. Linux security with three different distributions (Rocky Linux, Ubuntu and openSUSE)!
88Microsoft_Graph. Manage Azure and Microsoft 365 with the Microsoft Graph PowerShell SDK!
81Microsoft_Endpoint_Manager. This repo is all about Microsoft Endpoint Manager (Intune and Configuration Manager)!
81Microsoft365. Manage Microsoft 365 with PowerShell
72KVM-Virtualization-with-Rocky-Linux. Everything about KVM-Virtualization with Rocky Linux
71Microsoft_Cloud_Security. Everything about Microsoft Cloud Security!
57Azure_Administrator_Associate. This repo is all about Azure Adminitsrator Associate exam preparation.
53Ubuntu_Linux_Administration. Everything about Ubuntu System Administration (LFCS)!
45Microsoft_Certified_Windows_Server_Hybrid_Administrator_Associate. Everything you need to know about becoming a Microsoft Certified: Windows Server Hybrid Administrator Associate!
40Azure_Virtual_Desktop. Everything about Azure Virtual Desktop!
39Microsoft_Azure_Network_Engineer_Associate. Everything about Azure Networking!
33Active_Directory_with_Windows_Server_2022. Everything about Active Directory in a hybrid infrastructure!
28Red_Hat_Enterprise_Linux_RHEL_Administrator. Everything about Red Hat Enterprise Linux (RHEL) Administrator!
27Microsoft_365_Certified_Modern_Desktop_Administrator_Associate. Everything you need to prepare for the Microsoft 365 Certified: Endpoint Administrator Associate!
27GitHub_Certifications. From GitHub: Getting GitHub certified is a resounding endorsement that validates your skills, credibility, trust, and knowledge of the technologies and developer tools that are used by more than 100 million developers worldwide.
27tomwechsler.
26HashiCorp_Certified_Terraform_Associate. All about HashiCorp Certified: Terraform Associate and exam preparation!
26Linux_Administration_with_Ansible_Writing_Ansible_Playbooks. Manage and administer a Linux infrastructure with Ansible!
25Microsoft_365_Enterprise_Mobility_Security. All about Microsoft 365 Enterprise Mobility + Security (EMS)
25Azure_Fundamentals_AZ-900. This repo is all about Azure Fundamentals AZ-900 exam preparation.
24AutomatedLab_and_PowerShell. Deploy automated test or training environment with PowerShell!
22Active_Directory_Manage_with_PowerShell. That's what this repo is all about!
22Online_Workshops. Informationen zu den verschiedenen Online Workshops!
22Linux_command_line_for_beginners. Everything about the Linux command line
22lfcs. Linux Foundation Certified System Administrator (LFCS)!
21Threat_Hunting_with_PowerShell. Security even with a small budget - there is no excuse!
20rhcsa. Red Hat Certified System Administrator (RHCSA) EX-200!
19PowerShell_for_Power_Users. This is about PowerShell for advanced users.
18Azure_Updates. All the latest Azure updates are centralised in one repository.
17Cyber_and_Information_Security_Knowledge_Base. A structured knowledge base of cybersecurity and information security standards, frameworks, best practices, and guidelines. Covers key resources such as NIST, ISO/IEC, OWASP, CIS, ISC2, ISACA, and more — to support professionals, students, and organizations in building a solid foundation for secure systems, compliance, and risk management.
17Powershell_Fundamentals. Everything about PowerShell!
16Cisco_CCNA_Routing_and_Switching. Resources, notes, labs, and practice materials for the Cisco CCNA Routing and Switching certification exam. Covers networking fundamentals, IP addressing, routing protocols (OSPF, EIGRP), and switching technologies.
16Microsoft365_PowerShell. This repo is all about managing Microsoft 365 with PowerShell
15Microsoft_Azure_for_On-Prem_Server_Administrators. Everything about Microsoft Cloud (Azure, M365, etc.) and a hybrid infrastructure!
15Azure_Cloud_Shell. Creating Resources in Azure with the Azure CLI
15Microsoft_Azure_Solutions_Architect. Everything about Microsoft Azure Solutions Architect!
15Microsoft_365_Certified_Enterprise_Administrator_Expert. The repository for exam preparation for Microsoft 365 Certified: Enterprise Administrator Expert!
14Network_analysis_with_Wireshark. Network analysis with Wireshark, is the topic in this repo!
14Microsoft_365_Set_up_and_manage_Exchange_Online. Set up and manage Exchange Online for a small (fictitious) start-up company.
14Microsoft_365_Certified_Fundamentals. Here everything revolves around the topic Microsoft 365 Certified: Fundamentals (MS-900)!
13Linux_Administration_Troubleshooting. Linux troubleshooting with three different distributions (Ubuntu, openSUSE and Red Hat)!
11Designing_Microsoft_Azure_Infrastructure_Solutions. Everything about the Microsoft AZ-305 exam!
11Manage_Active_Directory_with_PowerShell. Das Verwalten eines Active Directory mit der PowerShell ist der Fokus in diesem Repo.
11Active_Directory_Windows_Server_2019. This repo is all about managing a Windows Active Directory!
10Azure_ARM_Templates. Deploy resources in Azure with Azure ARM and Bicep Templates
10Azure_PowerShell_Architect. Mit der PowerShell Ressourcen in Azure bereistellen
9Apple_macOS_Fundamentals. Everything about the Apple operating system!
8Azure_PowerShell_Security. Hier dreht sich alles um das Thema Azure Security!
7Windows_Terminal_Getting_Started. Windows Terminal is a modern, powerful, and customizable terminal, used to run command line applications.
7Microsoft_Cloud_Information_Protection. All about Microsoft Cloud Information Protection (SC-400).
7Analyzing_Network_Protocols_with_Wireshark. Everything you need to investigate network and protocols with Wireshark!
6Azure_Bicep. What is Bicep? Bicep is a Domain Specific Language (DSL) for deploying Azure resources declaratively.
6Hyper-V_Windows_Server_2022_Grundkurs. Everything about Microsoft Hyper-V!
6Windows_Subsystem_for_Linux. Everything about Windows Subsystem for Linux!
5Linux_Professional_Institute. This repository is all about the Linux Professional Institute!
5Microsoft_365_Certified_Security_Administrator_Associate. Everything about exam preparation and much more!
5Linux_Shell_Scripting. Everything about Linux, Vagrant and Scripting
5