Engineering and technology notes

How much entities do you have in Homeassistant? 

Just go to to the developer tools -> Template and put the below code in there. Sum the total and use that in the poll (feel free to copy paste the result in the comments :-))

Sensors: {{ states.sensor | count }}
Lights: {{ states.light | count }}
Switches: {{ states.switch | count }}
Binary sensors: {{ states.binary_sensor | count }}
Automations: {{ states.automation | count }}

 

Source: How much entities do you have in Homeassistant? – Home Assistant Community

How to get more dynamic range in your images – Color luminance

dynamic range colour luminance

Find the Colour Luminance setting in Lightroom or Camera RAW under the HSL/Grayscale dropdown panel.

6. Colour luminance

Colour luminance settings can give you control over dynamic range. In Lightroom and Camera Raw this can be done with the HSL/Color Panel’s Luminance tab. We can either use the sliders or drag over the image with the target tool. Darkening the blues here dramatically improves the sky

https://amateurphotographer.com/technique/how-to-get-more-dynamic-range-in-your-images/

virtualbox – Why is my virtual machine inaccessible?

Go to the location where you store your VM /home/ron/VirtualBox VMs/Semios Win7 /.Open .vbox in your favorite text editor to check if it is empty. Probably it is 🙂 In the same folder you should have file Semios Win7 .vbox-prev. Copy the contents of this file to Semios Win7.vbox, save, and try again.

Source: virtualbox – Why is my virtual machine inaccessible? – Ask Ubuntu