View MySQL installation information under Linux server

View the installation information of mysql:

#ps -ef | grep mysql

usr/bin/mysql means: the running path of mysql
var/lib/mysql refers to: the storage path of mysql database files
usr/lib/mysql refers to: the installation path of mysql

#whereis mysql

#mysqladmin -u root -p variables

root is your database account. Press Enter and you will be prompted to enter your password. Enter the password corresponding to the account filled in above and press Enter. A large table will appear. Find the datadir line, and the value behind it is the path where the database is located.