Detecting and Blocking HTTP Referrer Spam on Apache – A Real-World Example
While reviewing the Google Analytics 4 (GA4) statistics for my WordPress blog, I noticed an unexpected and significant increase in…
Update Dell PowerEdge BIOS and Firmware Directly via iDRAC9 – Without the Server Update Utility ISO
Keeping the BIOS and firmware of Dell PowerEdge servers up to date is essential for maintaining security, stability, and hardware…
Modern Azure Deployments with Terraform & GitHub – Part 5 – Deploying Real Azure Infrastructure with Terraform and GitHub Actions
In Part 5 of our series, we will extend our existing Terraform configuration beyond simple Azure resource groups to deploy…
Modern Azure Deployments with Terraform & GitHub – Part 4 – Advanced CI/CD with Pull Requests, Branch Protection, and Terraform Validation
In the previous parts of this series, we built a fully automated multi-environment CI/CD pipeline using Terraform, GitHub Actions, and…
How to Keep Linux Commands Running after Disconnecting from SSH using GNU Screen
When working with Linux servers over SSH, you may need to execute commands or scripts that take several minutes or…
Software Defined Networking (SDN) with VMware NSX – Part 5: Using Check Point for Multi-Tenant Routing, NAT, and Overlapping IP Networks
In the previous parts of this series, we deployed VMware NSX and configured a multi-tenant environment with isolated overlay networks,…
Software Defined Networking (SDN) with VMware NSX – Part 4: Troubleshooting, CLI Commands, and Comparing Vendor Technologies for WAN Traffic Isolation
In this Part 4 of our VMware NSX lab series, we take a look at troubleshooting commands that help us…
Software Defined Networking (SDN) with VMware NSX – Part 3: Building Isolated Multi-Tenant Overlay Networks with Overlapping IP Addresses and Simultaneous WAN Access
In this Part 3 of our VMware NSX series, we will extend our existing SDN infrastructure to build isolated multi-tenant…
Software Defined Networking (SDN) with VMware NSX – Part 2: Configuring Tier-1, Tier-0 and Upstream Routing for the NSX Overlay Network
In Part 1, we built the NSX overlay network, prepared our ESXi hosts as Transport Nodes, created the first TenantA…
Software Defined Networking (SDN) with VMware NSX – Part 1: Deploying and Configuring NSX Manager
VMware NSX is VMware’s software-defined networking (SDN) platform, providing network virtualization and security independently of the underlying physical network. It…
