This guide provides instructions on how to troubleshoot and resolve Proxmox RCU Stall errors. RCU (Read-Copy-Update) stall warnings occur when a virtual machine’s compute threads are unexpectedly paused, triggering the […]
Proxmox RCU Stall errors Read More »
This guide explains how to set up a Voice CAPTCHA in FreePBX to filter out robocalls, telemarketers, and unsolicited traffic from toll-free or blocked caller IDs. By using a custom
A Voice CAPTCHA in FreePBX Read More »
When running a FreePBX server behind a NAT firewall, your router or firewall may aggressively close idle UDP or TCP connections to your SIP provider (such as Twilio) if there
Configuring SIP OPTIONS for NAT Transversal Read More »
This guide demonstrates how to use the Dynamic Routes module in FreePBX (specifically versions 16 and 17) to create a sequential “traffic cop” system. It will inspect the Caller ID
FreePBX Toll-Free Dial Patterns Read More »
Cloud-init is a on boot provisioning utility that helps setup new VM guests from a template. This article will go though how to create a Debian template that is cloud-init
Proxmox Cloud-init Templates Read More »
L2ARC and SILOG are the best was to get performance from a ZFS filesystem. This will show how to add in two NVMe drives and use them as your L2ARC
Adding NVMe L2ARC and SILOG to ZFS Read More »
Virtio Driver Issues The Virtio driver is a great driver to use for all your guest virtual machines within Proxmox but it does have a couple of issues that affect
Proxmox Networking Performance Read More »
I’m always nervous when I upgrade my FreePBX system across major versions. There is a lot happening and our system has a lot of special settings designed for how we
Upgrading FreePBX – The CLI way Read More »
I have a web application running on Apache 2.4 that I would like to be password protected for everyone except for my local network. If someone access it from my
Apache: Different authentication requirements Read More »
Why should I create a child theme? A child theme is a theme that is linked back to an original theme. This allows you to make changes to the theme
Creating an Astra Child Theme Read More »
