Real labs.
Real tools.
What You’ll Find Here:
Homelab Builds
From Raspberry Pi setups to full-blown Proxmox servers
SSH Configuration Guide: Ports, Keys, and Security Hardening
SSH is how you manage every Linux server. If someone compromises your SSH access, they…
Linux File Permissions Explained: chmod, chown, and the Permission Calculator
“Permission denied.” The two words every Linux user learns to hate. But file permissions are…
How to Remove Files and Directories in Linux (rm, rmdir, find)
Deleting files in Linux is permanent. There is no recycle bin, no undo, no “are…
SSH from Windows to Ubuntu: PowerShell, WSL, and PuTTY
SSH from Windows 10 / 11 to Ubuntu using built-in OpenSSH, WSL, or PuTTY. With…
20 Common SSH Errors on Ubuntu (and How to Fix Each One)
Twenty common SSH errors on Ubuntu with diagnoses and fixes. Connection refused, permission denied, host…
SSH Tunneling Explained: Local, Remote, and Dynamic Forwards
SSH tunneling on Ubuntu explained with worked examples. Local forwards (-L), remote forwards (-R), dynamic…
Cloud Projects
Real experiments in Azure, AWS, GCP & more
Azure Storage: Blob, Files & Security Configuration (AZ-104)
Master Azure Storage – storage accounts, blob tiers, Azure Files, SAS tokens, and security. Complete…
Azure Virtual Networks: VNets, NSGs, and Peering (AZ-104)
Master Azure networking – virtual networks, subnets, NSGs, peering, and hybrid connectivity. Complete guide for…
Azure Identity & Governance: Entra ID, RBAC, and Policy (AZ-104)
Master Azure identity and governance – Entra ID users and groups, RBAC roles, management groups,…
AZ-104 Study Guide: Azure Administrator Certification Path
Complete AZ-104 Azure Administrator study guide – exam objectives, study strategy, timeline, and practical tips….
Microsoft 365 E7 Explained: What IT Pros Need to Know (And What Microsoft Doesn’t Want You to Ask)
Microsoft just moved the goalposts. Again. On March 9th they announced Microsoft 365 E7 —…
Azure AZ-104 Study Series | From Homelab to Cloud Career
Pass AZ-104 and Actually Understand Azure The AZ-104 Azure Administrator certification is one of the…
Cybersecurity & Automation
Learn how to protect, automate, and scale
20 Common SSH Errors on Ubuntu (and How to Fix Each One)
Twenty common SSH errors on Ubuntu with diagnoses and fixes. Connection refused, permission denied, host…
SSH Tunneling Explained: Local, Remote, and Dynamic Forwards
SSH tunneling on Ubuntu explained with worked examples. Local forwards (-L), remote forwards (-R), dynamic…
SCP and SFTP on Ubuntu: Transfer Files Over SSH (with Examples)
Transfer files over SSH on Ubuntu using SCP, SFTP, and rsync. Worked examples for upload,…
Fail2ban for SSH on Ubuntu: Setup, Tuning, and the Day It Banned Me
Install and configure fail2ban for SSH on Ubuntu. Default jail config, custom ban times, whitelisting…
SSH Server Hardening: 8 Settings That Stop Brute-Force Logins
Eight SSH server settings that close the brute-force vector. Disable password auth, restrict users, change…
SSH Key Authentication on Ubuntu: From Keygen to Login
Generate, install and use SSH keys on Ubuntu. Covers Ed25519 vs RSA, key permissions, ssh-copy-id,…
Career Content
CV advice, interview tips, and portfolio walkthroughs
Windows Security Hardening: LAPS, Tiered Access & Defense in Depth
Harden Windows Server and Active Directory against modern attacks. LAPS, Credential Guard, tiered access, and…
Windows DNS & DHCP: Active Directory Networking Essentials
Configure DNS and DHCP for Active Directory environments. AD-integrated zones, DHCP scopes, failover, and troubleshooting…
Group Policy Deep Dive: Create, Link & Troubleshoot GPOs
Master Group Policy – create GPOs, understand inheritance, troubleshoot issues. Essential skills for Windows enterprise…
PowerShell Basics for Sysadmins: From Zero to Scripting
Learn PowerShell fundamentals – cmdlets, pipeline, variables, and practical scripts. Essential automation skills for Windows…
Active Directory Essentials: Set Up Your First Domain | Tutorial
Learn Active Directory fundamentals – forests, domains, OUs, users, and groups. Step-by-step guide to building…
Windows Server Basics: Editions, Roles & Server Manager Guide
Learn Windows Server fundamentals – editions, Server Manager, roles vs features, and Server Core. Essential…
Automation & Tools
CV advice, interview tips, and portfolio walkthroughs
How to Secure Linux Servers with Ansible – Security Baseline Playbook
I standardised security across my Linux fleet in one day using Ansible. Here’s the playbook…
Terraform Fundamentals: Infrastructure as Code Tutorial
Learn Terraform from scratch – HCL, providers, state management, and practical Azure examples. Essential infrastructure…
Ansible Fundamentals: Agentless Configuration Management Tutorial
Learn Ansible from scratch – inventory, playbooks, modules, and roles. Automate server configuration without agents….
Cron & Task Scheduler: Schedule Scripts on Linux & Windows
Master cron and Windows Task Scheduler for automated script execution. Syntax, examples, error handling, and…
Scripting Fundamentals: Bash & PowerShell for Sysadmins
Learn Bash and PowerShell scripting side by side. Variables, loops, conditionals, and practical scripts for…
Automation Fundamentals | Scripting to Infrastructure as Code
Stop Clicking. Start Automating. The first time I automated a task that used to take…
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