Create script file
touch /root/mysql-backup/mysqldump.shInsert this code
#!/bin/bash
mysqldump -u root -ppassword dbname | bzip2 -c > dbname$(date +%Y-%m-%d-%H.%M.%S).sql.bz2Make it executable
chmod +x mysqldump.shRun it
sh /root/mysql-backup/mysqldump.shDone