I know there’s already big companies making Virtual Tape Library (VTL) devices, but they’re expensive and I’m just looking for a cheap solution for testing. And it’s working quite well so far as a proof-of-concept for my needs.
After setting it up you should see a media changer and a …

If your network is very active and package capture is struggling to keep up, dropping packets every now and then, you could try changing the buffer size. My default configuration sets InterruptThrottleRate to Mode 1 which is for dynamic interrupt coalescing. Intel’s ap450 documentation mentions this will allow it to change between bulk, low latency, and lowest latency as network traffic patterns change.

Removing the pcspkr module is fine for an instant halt to all beeping noises coming out of the machine, and sure you could just add this to your profile in .bashrc or .bash_profile, But the right/best/most complete way is to do it system-wide where it doesn’t even get enabled in the first place by blacklisting it in the modprobe configuration.