Stupid Linux Trick #5245

Want to share what you're doing with another person logged into the same system? All you need is a FIFO, cat, and script.

On your session: mkfifo foo script -f foo

On the viewer's session:

      cat foo

The viewer can then see everything that you're doing as if they're looking over your shoulder!

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PXE boot with DD-WRT and Ubuntu

After spending all afternoon fighting with my new server and my DD-WRT router, I finally figured out how to get my server to PXE boot and fire up an Ubuntu install. All it really involved was setting up TFTP on another box (my desktop, to be specific), adding a line to DD-WRT's DNSMasq options, and configuring the damn server to boot from PXE, which was the hardest part. Luckily, for those of you who are struggling with it, here's how I did it.

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