Added SSH and Time Machine style backup example

README.md

@@ -24,6 +24,14 @@ On OS X, it has a few disadvantages compared to Time Machine - in particular it
 	
 		rsync_tmbackup.sh /home /mnt/backup_drive excluded_patterns.txt
 
+* Backup to remote drive over SSH, on port 2222:
+
+        rsync_tmbackup.sh -p 2222 /home user@example.com:/mnt/backup_drive
+
+* To mimic Time Machine's behaviour, a cron script can be setup to backup at regular interval. For example, the following cron job checks if the drive "/mnt/backup" is currently connected and, if it is, starts the backup. It does this check every 1 hour.
+
+        0 */1 * * * if [[ -d /mnt/backup ]]; then rsync_tmbackup.sh /home /mnt/backup; fi 
+	
 ## Exclude file
 
 An optional exclude file can be provided as a third parameter. It should be compatible with the `--exclude-from` parameter of rsync. See [this tutorial] (https://sites.google.com/site/rsync2u/home/rsync-tutorial/the-exclude-from-option) for more information.

rsync_tmbackup.sh

@@ -36,6 +36,7 @@ fn_display_usage() {
 	fn_log_info ""
 	fn_log_info "Options:"
 	fn_log_info "-p, --port     SSH port"
+	fn_log_info "-h, --help     Display this help message"
 }
 
 fn_parse_date() {