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Month: January 2022

ESP-32 Cam, FFMPEG, and Node Red

ESP-32 Cam, FFMPEG, and Node Red

This post will cover how to use FFMpeg to add video feeds from a ESP32-Cam module into Node Red. The process can utilize most RTSP and HTTP sources. As a comparison, these stream sources will be setup on MotionEye. The first task is to list or itemize each of the sources and the hyperlink to their streams. If unsure what stream is available from the source, a search for “motioneye rtsp stream url” should turn up some tips on how…

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Scheduled vs Supervised Tasks

Scheduled vs Supervised Tasks

Scheduling tasks in Linux is traditionally done with the Cron Task Scheduler.  There are many online resources about cron, one of which is this site, https://www.vultr.com/docs/how-to-use-the-cron-task-scheduler/.  With Webmin, the task scheduling can be managed through the WebUI.  Details can be found here, https://doxfer.webmin.com/Webmin/Scheduled_Cron_Jobs.   Here is a simple scheduled task that reboots the Linux host daily at 1:30am. 30 1 * * * systemctl reboot -i Scheduling this in Cron or through Webmin results in the same entry in the respective…

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MicroSD Backups with Encryption that Save Space

MicroSD Backups with Encryption that Save Space

This post will cover steps on how to create and secure MicroSD backups, with the focus being on disaster recovery for RPi systems.  This method of backup is hardly the best method available, but it does offer space savings and more security.  In this demonstration, a second Linux system will be used as the backup target with the MicroSD media attached as the backup source. First step is to establish how large the MicroSD media is and if the target…

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