Sunday, August 14, 2011

To find IP address & To watch Linux Memory usage

Find out your router’s external IP address using the Linux command line

To Find Router external IP.Using the following commands we can see our router external IP address

without curl

#wget -O - -q

with curl


#curl -s '' | sed 's/.*Current IP Address: \([0-9\.]*\).*/\1/g'

TO see Linux memory usage in real-time

If you want to display your memory usage in real-time, do a

#watch -d "free -mt"

It will display used and free memory every two seconds.