I ran into an issue setting up monit to monitor mysql on Ubuntu that took me a while to figure out. This is a quick walkthrough for setting it up, configuring monit, and solving the mysql “Execution failed | Does not exist” problem.
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Another Zoeller product failure led to more water on the floor of my basement. Thankfully, because of the water sensor I installed last time, we received alerts and were able to address the problem before it got too bad. But, it highlighted a problem with that approach; it’s much better to get the alerts before the water comes over the […]
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This video discusses how to use the LAN firewall rules on a Ubiquiti UniFi gateway (e.g. USG, USG-Pro, UDM, UDM-Pro); including how to create firewall rules for site-to-site VPN setups.
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This is a quick guide and discussion around how to modify the SQL script that runs after a client device attempts to connect to a FreeRADIUS server.
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I woke up this morning to the most unwelcome notification that my remote Ubiquiti Unifi NVR was offline. Never having had to deal with this before I thought it would be interesting to record the troubleshooting process to get it back online without having physical access to the box.
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Configuring an IPSec site-to-site VPN between Ubiquiti Unifi gateways (USG/USG-Pro/UDM/UDM-Pro) is relatively straight forward process, but there are couple sticking points that can cause a hang up. This video walks through the setup for a manual VPN, when you can’t use the automatic config.
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Wireguard is a modern, sleek, VPN that promises to be super easy to install and setup, as well as being faster than IPSec. With pretty much a client for every device, it’s a great option for running on a home or office network VPN. This guide outlines how to setup and configure the VPN server and mobile (Android, but iOS […]
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You may think that the similar names mean both classes operate in the same way. It’s actually more complicated than that. So, what is the difference between Class AB and Class D amplifiers? Class AB and Class D amps don’t operate like each other and don’t apply to the same appliances. They also don’t have the same output. The only […]
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Using the text based user files in our other freeRADIUS + Unifi = Dynamic VLAN Assignment guide works great for small installations, but in a larger or more fluid environment it’s much easier to use a database backend for the freeRADIUS server. This guide walks through the steps to configure that, and optionally setup a daloRADIUS UI for freeRADIUS. Install […]
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This video is a follow on to a previous guide around using RADIUS to enable dynamic VLAN assignment to a Unifi wireless network. Here I demonstrate how to change the RADIUS configuration to assign undefined users to a specific VLAN, so they do not end up on the default/untagged network.
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