[SOLVED] Mac: Scout-App cannot run

If Scout-App is stopped you have to restart the PC. I suspect that a process is still running, or some Catalina-related security insanity. In the first case it's a bug. In the last one it's the operative system.

• Scout-App has access to the relevant folders in Security.
• You cannot start from Applications via a right click any more.

Linux: OBS and the Logitech c920s Webcam

Here are my settings for the Logitech c920s webcam when I run OBS. I use V4L2 and the v4l2-toolbox. The last one is a handy GUI for v4l2. It is my experience, that you'll get the best result if you begin in the v4l2-toolbox.

Since the autofocus is the source of trouble in low light conditions, just turn the autofocus off.

Here are a few screendumps of my settings (recorded under low light conditions):

v4l2-toolbox

v4l2-toolbox

v4l2-toolbox

Video settings in OBS

Logitech 920c Settings

Here are some suggested settings for the webcam Logitech 920C in order to avoid the problems with unwanted autofocus. On a Linux system you may do something similar in the V4L2 or he V4L2-toolbox:

Manjaro Linux and Scanning with Epson ET-2750

Utsushi - probably a GUI under imagescan v. 3

This was an unexpected hard task. I thought that it would be a matter of just pluggin in the usb and then scan. But no.

In order to use the Epson ET-2750 Eco Tank scanner do this:

• Install imagescan v. 3
  # pacman -S imagescan
• Run this command:
  # utsushi
• Select the correct USB device
• Scan and save with the file ending of whatever file format you want, say .pdf or .jpeg or ...

Xsane, Imagescan and so on cannot find the device. I guess that the utsushi GUI is part of the imagescane package. I is somewhat strange to install a packet, and run it by another name.

And if you think that you can find Utsushi in the progam launcher ... forget it. But you can start the thing from your favorite terminal window.

Utsushi started via a terminal window

Hey, isn't that why we just love Linux. I learned a lot about UX this afternoon.

OBS Lip Syncronization

In OBS the webcam and the sound were out of sync. The solution is to set the difference to 110ms.

Lip sync solution

wget files via loop

Here is a very handy method for downloading files via a loop using wget:

# wget http://domain.org/_{001..656}.jpg

Note the curly brackets, read as from 001 to 656 or whatever number of files you need.

After download you may want to check if all files are there, try something like:

# ls | wc -l