Step to set daily backup database by using Crontab in Centos

1. Install Cron:
sudo yum install vixie-cron crontabs
2.Set Up Crontab:

• Use command "sudo crontab -e" to open file crontab in order write backup script.
  
• To edit file: Esc + Shift + I 
  
• Past or write script backup

Syntax:
minute hour day month dayofweek** mysqldump -uuser dbname > /path/dbbackup_name.sql
Example: Weekly backup.
0 24 2,9,16,23,30 * * mysqldump -uuser -ppassword testdb > /mypath/backup.sql; 


save file: Esc+w 
•  checking crontab service
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