[ Thanks to Dmitri
Popov for this link. ]
“If you are serious about keeping data on your server
safe, you should consider deploying an offsite backup solution. So
if anything goes wrong, you still have all your data up in the
cloud. One cloud-based backup solution is to use the good old rsync
tool with the rsync.net backup service.“First off, you have to sign up for the service and obtain three
important pieces of information: a host name, a user name, and a
password (they will be emailed to you as soon as your account is
activated and configured).“Next, you have to generate an SSH key and upload it to your
rsync.net storage space. This way, you don’t have to enter the
password every time you perform backup. To generate an SSH key, run
the following command on your server:”