A firewall alias is a powerful feature which should not be overlooked
Source: Write Better Firewall Rules in OPNsense using Aliases – Home Network Guy
Month: May 2021
Purgeable Storage Space on Mac: What it is & How to Free It
You may find a “Purgeable” storage space when looking at disk storage and disk usage in modern versions of macOS, including Big Sur, Catalina, Mojave, Sierra, etc, either within the About This Mac > Storage screen, Disk Utility, or the Storage Management section of System Information.
This curiously labeled disk storage item is similar to the “Other” storage space on the Mac that many users wonder about, so if you’re curious what purgeable storage space is, and how to free it up to clear it out, then read on.
Source: Purgeable Storage Space on Mac: What it is & How to Free It
Take control of Time Machine backups with the TimeMachineEditor utility
You can use a third-party utility to set a schedule and other controls for Time Machine backups. And the utility is free.
Source: Take control of Time Machine backups with the TimeMachineEditor utility (Macworld)
How to use a Raspberry Pi to trigger wireless remote controlled outlets (and probably other wireless devices)
You can purchase wireless remote control devices that typically come in packages with one remote control, and some number of devices that you plug into an outlet, and then you plug whatever you want to control into those devices. You can easily find them on Amazon or eBay, or at big box stores or at places like Harbor Freight. On an online site, just search for “Wireless remote controlled outlet”. The main thing you want to make certain of is that they are controlled by radio frequencies, which most are, and not by an infrared signal like most TV remotes. ….. The idea here is that we want the Raspberry Pi to emulate the same signals that pressing buttons on the remote would do. This allows the Raspberry Pi to control the outlets and opens up possibilities limited only by your imagination.
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