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[Discuss-gnuradio] Setting UHD kernel buffers

From: Charles Brain
Subject: [Discuss-gnuradio] Setting UHD kernel buffers
Date: Mon, 28 Jun 2010 22:30:32 +0100

When setting the kernel max buffers for UHD the manual
suggests using sudo sysctl -w net.core.rmem_max=<new value>
sudo sysctl -w net.core.wmem_max=<new value>

I have done that on my system and it has made a huge difference to
the performance of my software. I can now transmit my DVB-T signal continuously at 10 Ms/s with no dropouts.

Unfortunately everytime I reboot my system I have to run the commands
again. What is the procedure for making these settings permanent?
I am no Linux guru hence the question. I am using Fedora 12.

- Charles

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