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Migrate MySQL users

December 24, 2020 by Igor Drobot Leave a Comment

Following line will query all mysql user with their grants and print the creation statements for them.

By copy pasting or by filling a SQL-file, you can easily migrate all MySQL-user to a new mysql or mariaDB instance.

mysql -u root -p"YOUR_PW" -Ne "select distinct concat( \"SHOW GRANTS FOR '\",user,\"'@'\",host,\"';\" ) from mysql.user;" mysql | \
mysql -u root -p"YOUR_PW"| \
sed 's/\(GRANT .*\)/\1;/;s/^\(Grants for .*\)/## \1 ##/;/##/{x;p;x;}'

Filed Under: Linux Tagged With: MariaDB, Migrate MySQL User, MySQL, SQL

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