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 much entities do you have in Homeassistant?  was last modified: December 20th, 2023 by Jovan Stosic

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/

How to get more dynamic range in your images – Color luminance was last modified: November 11th, 2023 by Jovan Stosic

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

virtualbox – Why is my virtual machine inaccessible? was last modified: October 25th, 2023 by Jovan Stosic

How to Move (mv) Multiple Directories or Files to a Folder at a Time – Linux – DevOpsCube

For example, if you want to move folder1, folder2, folder3 to folder4, you can use the following comand.

mv -t folder4 folder3 folder2 folder1

Source: How to Move (mv) Multiple Directories or Files to a Folder at a Time – Linux – DevOpsCube – DevOps Discussion Forum

How to Move (mv) Multiple Directories or Files to a Folder at a Time – Linux – DevOpsCube was last modified: October 16th, 2023 by Jovan Stosic

xfce4 mouse acceleration and sensitivity

  • AccelerationThe factor at which the pointer’s speed will increase as the cursor is moved, when the device moves more than Sensitivity pixels in a short time.
  • SensitivityThe number of pixels the pointer must move in a short time before it starts accelerating.

Source: xfce:xfce4-settings:mouse [Xfce Docs]

xfce4 mouse acceleration and sensitivity was last modified: October 5th, 2023 by Jovan Stosic