Author: coolelectricity

Xen/XCP-ng Hypervisor Network Interface Controller Solution to Set Static MAC Assignments to Prevent Out-of-Order / Re-ordering of NIC Numbering Problem Description XCP-ng can sometimes skip NIC numbers (e.g., having eth0-4, then eth6-7, missing eth5) or renumber NICs after hardware changes, …

So, you have an XCP-ng host machine with only 1 GPU, and you want to use that GPU to pass-through to a guest VM, leaving your XCP-ng host TRULY headless? Yup. You can do that. We will cover “the easy …

How’s that for a title? Oddly Specific, yet IYKYK. Sometimes, all goes perfectly smooth with XCP-ng and the Connectx-3 NICs. Other times… not so much. This is for the “not to much” times. Complete Guide: Configuring Mellanox ConnectX-3 NICs in …

Sometimes a BIOS update (UEFI, nowadays, but you get the idea) might cause strange power and/or boot issues with specific motherboards. While fixing a “freebie system” recently, we saw a UEFI that was struggling with “staying off”. There seems to …

DISCLAIMER: This guide will help you (and hopefully succeed) with setting up unbound with DNSSEC and replacing dnsmasq on an Ubiquity Edge Router. THIS GUIDE IS NOT COMPLETE WITH EVERY POSSIBLE CAVEAT for dnsmasq, unbound nor DNSSEC! But at the …

While actively using a Windows Guest VM running on an XCP-NG Hypervisor in UEFI mode, you likely will not have any issues with the mouse, but the issue where mouse functionality is suddenly lost until the next reboot seems to …

If you own an Ubiquity EdgeRouter (ER-X, ERLite-3, ER-4, ERPoe-5, ERPro-8, etc) and are using the stock EdgeOS firmware, you may be missing opportunities to secure your DNS requests using DNSSEC. There are no GUI options in the EdgeOS browser-based …

In the mid 1990’s, you would be hard-pressed to avoid being inundated with Compact Discs (CDs) with software for installing America On-Line (AOL) to your Windows 95 PC. These CDs were seemingly in every magazine, gas station, grocery store and …