Which Plateform/Language to choose for Video Management System [closed]

We have started on a new project called Video Management System. Which enables for the multiple IP cameras(Around 1000 Cameras) to record as well as available for live streaming. Like https://www.security.honeywell.com/uk/product-repository/maxpro-vms Initially, we have tried using ffmpeg commands that saves data in chunks. See following commands.. ffmpeg -i {rtsp_url} -fflags flush_packets -max_delay 2 -flags -global_header…

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Is there a way I can track only the first change to a field in django models?

I have a django-model with the name Posts class Post(models.Model, ModelMeta): … publish = models.BooleanField(default=False) date_published = models.DateTimeField(default=timezone.now) … I want to update the date_published field only once, for the first time when publish is set to True. I have gone through Field Tracker and pre_save but both of them update on every change. I…

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Ubuntu 18.04 not detecting a partition for installer

I was following the below guide, but when reaching step 6 to allocate drive space, Ubuntu does not seem to detect my hard drive. Below is the screenshot of the drive selection tab. Thanks in advance. https://tutorials.ubuntu.com/tutorial/tutorial-install-ubuntu-desktop#5 Laptop Asus Vivobook Model: X512FA-BI7A Ubuntu 18.04.3 LTS Additionally, when I try to add a drive or partition…

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