Some time ago, I was explaining how to backup your important files using rsync and ssh. This solution allowed to transfer some content to your server in a secure way. Of course, I was using this solution myself, but I got some problems while using it due to SSH limitations with my webhost (webhostingbuzz). Indeed, after 30 minutes of connection, the SSH session was killed and therefore rsync that was using it got frozen.
After some researches on this Internet, I found some options to give to the SSH command to maintain a connection open with the server. Different solutions exist: