Category: How To

How to convert 48V PoE to 24V PoE

How to convert 48V PoE to 24V PoE

48V PoE (Power over Ethernet) is also know as 802.3af and 802.3at (PoE+) is the most common voltage. Some devices from manufacturers like Ubiquiti require 24V PoE.  In this article I will highlight some of the inexpensive devices that you can use to convert 48V PoE to 24V PoE as well as

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ffmpeg: AMD & NVIDIA hardware video encoding (h264, h265)

ffmpeg: AMD & NVIDIA hardware video encoding (h264, h265)

I recently needed to export some video from an Enterprise Video Surveillance system. The system will only export mjpeg avi videos, which are huge files. I ended up using ffmpeg to encode these videos into h.264 mp4 files. I performed the video encoding on a machine with an AMD GPU. This article documents some of the ffmpeg command line switches require to perform hardware video encoding on both NVIDIA and AMD GPUs.

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MikroTik Script: Authentication Logging w/ Email Reports

MikroTik Script: Authentication Logging w/ Email Reports

In this article I will show you how to configure a separate log file on a MikroTik router that will only contain authentication log entries.  The log file will contain log entries for winbox, webfig, ssh, telnet, ftp as well as VPN user authentications.  Additionally,  we will configure a scheduled script to email this log file to ourselves daily.

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MikroTik Router as a SCADA Serial Server

MikroTik Router as a SCADA Serial Server

A large number of MikroTik Router models have a serial port that can be used to configure the device. The serial port can also be configured as an IP-based serial server. This is article I will show you how to configure a MikroTik Router to all TCP connects that get mapped to a serial connected SCADA device.

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