This No-IP DNS update client regularly checks for public IP address changes to an Amazon EC2 instance in the background and automatically updates the DNS at No-IP on a regular time interval.
java -jar noip4aws.jar -Husage: noip4aws [ OPTIONS ] [ aws-instance-id no-ip-hostname ... ] -A,--accesskey
AWS access key -F,--file Property file -H,--help Help -P,--password No-IP password -S,--secretkey AWS secret key -U,--user No-IP user name -W,--wait Update wait in milliseconds -X,--ssl Use SSL connection
The user must specify a AWS access key and secret key, No-IP user name and password, and the AWS instance id along with the hostname No-IP is redirecting.
For example:
java -jar noip4aws.jar -A NBSCSKA1MZSXCJS084G2 -S EB/DbAXAnavoDhCbe7dvDPsH8oMxzioAjUANcMKm -U john@smith.com -P foobar I-d67a7238 cloud.smith.com 
