CheatSheets

Active Directory administration with PowerShell - users, groups, and daily tasks!

Automation and configuration management with playbooks!

Azure AD / Entra ID administration with Microsoft Graph PowerShell - users, groups, MFA and daily tasks!

Automated task scheduling on Linux with cron and crontab!

Commands and tips for analyzing, monitoring, and managing disk space on Linux (Debian-based)!

Commands and tools to analyze, monitor, and manage disk space on Windows!

Essential Docker commands, docker-compose & dockerfile!

ESXi administration: DCUI, web interface, SSH and practical troubleshooting!

Exchange administration - mailboxes, distribution groups, permissions and PowerShell scripts!

Server protection with Fail2Ban - configuration, monitoring, and ban management!

Essential Git commands and workflow!

Group Policy management with PowerShell - audit and export for administration!

HAProxy load balancer - configuration, backend and high-performance monitoring!

Logical volume management with LVM - creation, resizing, and flexible storage!

MariaDB Database: MySQL compatible and open source!

Markdown syntax for documentation and writing!

MongoDB Database: NoSQL, documents and collections!

File editing with the Nano editor - essential shortcuts and commands!

Nginx web server - configuration, virtual hosts, SSL and optimization!

NTFS permissions management with the NTFSSecurity PowerShell module - bulk permission application!

SSL/TLS certificate management with OpenSSL - generation, conversion, verification and debugging!

Managing locked accounts & passwords on Linux!

PostgreSQL Database: administration, queries and backup!

Process automation with Microsoft Power Automate - flows, triggers and administrative tasks!

Essential PowerCLI commands & practical examples to manage VMware environments via PowerShell!

Windows administration and automation with PowerShell!

RDS and RemoteApps administration with PowerShell - publish and manage your remote applications!

Essential Robocopy commands for Windows backups and synchronization!

SharePoint Online administration - sites, roles, permissions, Teams and PowerShell scripts!

Deploy your resources with the IaC tool Terraform!

Vagrant Guide - Managing virtualized development environments!

vCenter administration: web interface, VCSA CLI, ports and practical tips!

YAML syntax for Docker Compose, Ansible, Kubernetes and CI/CD!