Error while changing password using mysqladmin command:
[user@server ~]# /usr/bin/mysqladmin -u root -p"$MYSQL_TEMP_PASS" password "$MYSQL_ROOT_PASSWORD" mysqladmin: [Warning] Using a password on the command line interface can be insecure. Warning: Since password will be sent to server in plain text, use ssl connection to ensure password safety. mysqladmin: unable to change password; error: 'Percona XtraDB Cluster doesn't allow use of CURRENT_USER/USER function for USER operation while operating in cluster mode'
[user@server ~]# mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 19 Server version: 5.7.27-30-57-log Copyright (c) 2009-2019 Percona LLC and/or its affiliates Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'SOME_NEW_PASSWORD'; Query OK, 0 rows affected (0.00 sec) mysql> FLUSH PRIVILEGES; Query OK, 0 rows affected (0.00 sec) mysql> QUIT