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Old 05-30-2006, 09:46 PM   #1
LQ Newbie
Registered: May 2006
Posts: 2

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How to reset serial device from shell?

Hello, I have a Linux box with a bunch of plug-in cards that are configured as serial devices (ttyUSB and ttyS). Sometimes these devices appear to get stuck. I would like to know if there is a command I can run from the Linux shell that will "reset" or "restart" a particular one (or more) of these devices. If all else fails, rebooting the server usually brings them back to life but I would prefer to have a less disruptive option.


Old 05-30-2006, 10:04 PM   #2
HCL Maintainer
Registered: Jan 2006
Distribution: (H)LFS, Gentoo
Posts: 2,450

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First of all, DON'T DOUBLE POST.

Try doing something like
# tput reset > /dev/ttyXX


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