Search Results

awk 'NR>=6' file


(That's not really "grepping", it's just printing lines 6 onwards)

you can try this :)


PL=`ping -c 10 localhost|grep "% packet"|cut -d"%" -f1|awk '{print $6}'`
if [ $PL -gt 50 ]
then
echo `date` "-> DR server is unreachable $PL percent package loss"
fi...

&& will only check if the last exit code was true/0 and checking if redirecting to a ls to a file was successful is not helpful.
Afaik you can't implement a "else" conditions by this.

Example:
...

You don't need to grep as the ping command returns an error status when target is unreachable.
ping localhost -n 2 && { drReachable=Alive; echo -e "$(date): \\t DR server is reachable" >>...