This is a really simple bash script which creates a .tar.gz archive of the folders I specify. I could further improve the script by making it do incremental backups instead of creating a new archive each day, but considering that this is a fast and dirty version of it, and that I don't have that much stuff to back up, it'll do for now.
:::bash
#!/bin/sh
date
echo "############### Backing up files on the system... ###############"
backupfilename=server_file_backup_`date '+%Y-%m-%d'`
echo "----- Now tar, then zip up all files to be saved -----"