As you know, when you SSH into a system, it will ask for the password which you have to enter everytime. But in cases where you’re SSHing in a script or in a loop, its a really time consuming and boring thing to enter password everytime.

So, in this case you have to configure SSH to use a password to enter when asked. But, there is no default option in the ssh command to set this due to security reasons I think. Therefore we should use another way to automatically enter the password.

In the recent post, I mentioned about OpenShift, a PaaS Service that offers Free Hosting. You can update your application using GIT. OpenShift also provides SSHing into your application. You may have heard of FTP protocol which allows you to transfer files through web. Most hosting companies use FTP protocol to update client apps. OpenShift unlike AppFog have FTP support, but in a different manner.

It has SFTP support ie SSH File Transfer Protocol. SFTP is a FTP like protocol that allows to transfer files via SSH sessions. Most FTP clients support SFTP. FTP client FileZilla supports SFTP which means that you can use FileZilla for updating site hosted on OpenShift. You can download FileZilla from here available for Linux, Mac & Windows.