• Effective immediately we will be deleting, without notice, any negative threads or posts that deal with the use of encryption and streaming of scanner audio.

    We've noticed a huge increase in rants and negative posts that revolve around agencies going to encryption due to the broadcasting of scanner audio on the internet. It's now worn out and continues to be the same recycled rants. These rants hijack the threads and derail the conversation. They no longer have a place anywhere on this forum other than in the designated threads in the Rants forum in the Tavern.

    If you violate these guidelines your post will be deleted without notice and an infraction will be issued. We are not against discussion of this issue. You just need to do it in the right place. For example:
    https://forums.radioreference.com/rants/224104-official-thread-live-audio-feeds-scanners-wait-encryption.html

Ubuntu without monitor slow

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dave3825

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#1
I am running Ubuntu 16.04 on my laptop and raspbian on an older raspberry pi. When I go into them via teamviewer, the video response, its painstakingly slow. What can be done to make this better? If I hook a monitor to either, and go in via teamviewer, they work normal. I did also try vnc viewer on the Pi and that was no better.

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vagrant

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#3
On the Raspberry Pi, I adjust the default GPU memory from 64 to 128 and it made a big difference when viewing remotely / headless.

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It appears my adjustment was correct. I found this on the VNC site: https://www.realvnc.com/en/connect/docs/raspberry-pi.html

If performance seems impaired, try:
1 On your Raspberry Pi, run sudo raspi-config, navigate to Advanced options > Memory Split, and ensure your GPU has at least 128MB. (You can do this from the Desktop as well via Preferences. Either method does the same thing and it will require a reboot.)

2 Reduce your Raspberry Pi’s screen resolution.
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Connectivity is another issue to look at. An ethernet connected Pi 3B looks better than a 3B + on WiFi for me.
 
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