1. install tools:
   ```
   sudo apt-get install pigz lftp curlftpfs
   ```

2. configure ftp client:
   ```
   lftp
   (lftp :~>) set ftp:ssl-force true
   (lftp :~>) set ssl:verify-certificate no
   (lftp :~>) connect <address>
   (lftp <address>:~>) login <usrname>
   (enter password)
   ```

3. create a file called `.netrc` in the *home* directory to store credentials with the following content:
   ```
   machine <address>
   login <usrname>
   password <pwd>
   ```
   Set the permissions on the file so that you are the only user who can read it:
   ```
   chmod 0600 ~/.netrc 
   ```

4. create *mounting point* for ftp server:
   ```
   sudo mkdir /mnt/ftp
   sudo curlftpfs -o allow_other,ssl,no_verify_peer <address> /mnt/ftp
   ```
	
5. create compressed archives using *pigz* of desired directories/files in some *tmp* folder:
   ```
   hme="/home/usrname"
   tmp=$hme/temp/backup
   fconf="list all configuration files"
   cd $tmp
   tar --exclude=".git*" --exclude="*.Rproj*" --exclude=".Rhistory" --exclude=$tmp -c --use-compress-program=pigz -f $tmp/backup_home.tar.gz $hme/*
   tar -c --use-compress-program=pigz -f $tmp/backup_public.tar.gz $PUB_PATH/*
   tar -czf $tmp/backup_conf.tar.gz $fconf
   ```

6. Move files to ftp folder:
   ```
   mv $tmp/* /mnt/ftp
   ```

7. create *sh* file using *5* and *6* above, then changing permissions:
   ```
   chmod +x /home/usrname/cronjob/backup.sh
   ```

8. add entry to crontab (in this way, the script runs at 4AM every Sunday):
   ```
   0 4 * * 7  /home/usrname/cronjob/backup.sh
   ```