how to take mysqldump in mysql command line code example
Example 1: mysqldump
mysqldump -u [username] -p [database-to-dump] > [database-to-receive]
mysqldump -u [username] -P [port] -h [host] [database-to-dump] | mysql -u root -h 127.0.0.1 [database-to-receive]
mysqldump -u [username] -P [port] -h [host] [database-to-dump] [tabl1] [table2] [table3] | mysql -u root -h 127.0.0.1 [database-to-receive]
Example 2: install mysqldump
sudo apt-get install mysql-client
sudo apt-get install mariadb-clients