need to copy war file from local machine to amazon ec2 instances

Hi I have created an amazon e开发者_高级运维c2 instance and now I need to deploy my java/j2ee based web app. I have apache tomcat6 running. I am managing the server via ssh in terminal. I need to copy war files to the server through how do I do that. I am newbie kindly help me

Is SCP an option? Or SFTP?