[K12OSN] OT: random

Jim McQuillan jam at mcquil.com
Thu Dec 6 17:36:13 UTC 2007


Instead of using ifconfig, take a look at "mii-tool eth0" or "ethtool eth0".

Both of those will report whether there is a link or not.

Jim McQuillan
jam at Ltsp.org

Peter Hartmann wrote:
> I've written a bash script to do some data acquisition from a relay.
> Since I'm just measuring on/off, I'm not messing with serial of
> parallel ports and extra equipment.  I'm planning on using an extra
> nic card with a loopback ethernet cable.   I tested this on my laptop
> running FC6.  When the loopback circuit is complete ifconfig shows
> "RUNNING". When the circuit is broken RUNNING is not shown.   However,
> the platform is FC3.  FC3, as well as FC5 don't react this way when
> there's not network connection.  What is this function called?  Media
> check?  Is there another way of getting that information on these
> older OSes?
> Thanks!
> Peter
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