Deploying pfSense in Azure – A Step-by-Step Guide to Your Own Cloud Firewall
Spinning up a pfSense firewall in Azure can be done in two ways, out of the box or DIY style….
Cross-Hub Connectivity in Google Cloud using HA VPN and NGFW Appliances
In multi-hub Google Cloud environments, teams often need full connectivity between workloads that sit behind different Network Connectivity Center (NCC)…
Deploying pfSense in Google Cloud – A Step-by-Step Guide to Your Own Cloud Firewall
Running pfSense in Google Cloud Platform (GCP) is a powerful way to build your own fully controllable network gateway, firewall,…
Mastering GCP Virtual Machines – Part 9 (Outbound Internet Access)
If your VMs need general outbound internet (patching, repo downloads, external APIs), and you don’t want public IPs → Cloud…
Mastering GCP Virtual Machines – Part 8 (Networking Best Practices)
Google Cloud Platform (GCP) provides a powerful and flexible networking foundation that can scale from simple projects to complex, global…
How to Check if the Firewall Is Active on Linux (Across Different Distributions)
On Linux systems the active firewall service depends on the distribution. On Ubuntu or Debian you often check with ufw…
Legacy Linux VMs and the udev NIC Trap: Why VMware Clones and OVF Exports Lose Networking
Whether you clone a legacy Linux VM (e.g. SLES11) in vSphere or export it as an OVF template and redeploy,…
Step-by-Step Guide Part 6: How to build your own NetApp ONTAP 9 LAB – NFSv4 Pitfalls
When you switch from NFSv3 to NFSv4, things definitely change under the hood, and suddenly your permissions or ownership mappings…
Step-by-Step Guide Part 5: How to build your own NetApp ONTAP 9 LAB – Root Squashing
If you’ve ever tried as root to chown, chmod, or just create a file on an NFS-mounted share and were…
Cheat Sheet – User Management Commands in Linux
In the world of Linux and Unix-based systems, user roles and permissions are the foundation of security and system integrity. In this post…
