sudo systemctl restart mysqlHow to import database in MySQL
mysql --user=root --password=root DatabaseName < backup.sqlHow to output the last part of files
tail File1 File2...How to output the first part of files
head File1 File2...How to validate MySQL server configuration
mysqld --validate-configHow to view all mysqld options and configurable system variables in MySQL
mysqld --verbose --helpHow to find the MySQL configuration file location
mysqld --verbose --help | grep cnfHow to backup databases in MySQL
mysqldump --user=root --password=root --databases db1 db2... > backup.sqlHow to display databases, tables, and columns information in MySQL
mysqlshow --user=root --password=rootmysqlshow --user=root --password=root DatabaseNamemysqlshow --user=root --password=root DatabaseName TableNameHow to remove untracked files from the working tree in Git
git clean -df