[CentOS] internet connection tester script

Fri Jan 28 12:01:51 UTC 2011
Philippe Naudin <philippe.naudin at supagro.inra.fr>

Le ven 28 jan 2011 03:28:22 CET, kellyremo a écrit:

> [ ... ]
> $ while $TORF; do ping -W 1 -c 1 bix.hu >& /dev/null && ping -W 1 -c 1 www.yahoo.com >& /dev/null && TORF=false || TORF=true; done
> $ 
> 
> It just doesn't work. 
> 
> Goal: if theres no internet connection, then the oneliner must loop until there is internet connection. if theres internet connection the oneliner ends.
> 
> what am i missing?

try :
until ping -W 1 -c 1 bix.hu || ping -W 1 -c 1 www.yahoo.com ; do 
  sleep 5
done >& /dev/null

Note that ping -W 1 is crazy.

-- 
Philippe