This problem has been solved by making a backup.txt file that contains this list:

rsync -avhe ssh -varuzP tls-ams-ns-02:/etc/bind/ /home/backups/tls-ams-ns-02

rsync -avhe ssh -varuzP tls-ams-ns-03:/etc/bind/ /home/backups/tls-ams-ns-03

rsync -avhe ssh -varuzP tls-ams-mon-10:/usr/ /home/backups/tls-ams-mon-10

rsync -avhe ssh -varuzP tls-ams-mon-11:/opt/ /home/backups/tls-ams-mon-11

rsync -avhe ssh -varuzP tls-ams-ws-01:/var/lib/ /home/backups/tls-ams-ws-01

rsync -avhe ssh -varuzP tls-ams-ws-01:/home/fauser/ /home/backups/tls-ams-ws-01


And a crons.cron file that will automate the backup procedure.

crons.cron:

#Mins - Hours - Days - Months - Day of Week
0 23 * * * /backup.txt

Sorry for the late reply!

Many thanks!!