Mysql error ERROR 1044 (42000): Access denied for user

Mysql error ERROR 1044 (42000): Access denied for user'@ 'localhost' to database' MAC' solution

MariaDB [(none)] > create database MAC;ERROR 1044 (42000): Access denied for user'@ 'localhost' to database' MAC'MariaDB [(none)] > method 1: 1. Close mysql # service mysqld stop [Note centos7 is systemctl stop mariadb] 2. Block permission # mysqld_safe-- the skip-grant-table screen appears: Starting demo from. 3. Enter # mysql-uroot-pxxxxxx MariaDB [(none)] > use mysql; MariaDB [mysql] > MariaDB [mysql] > UPDATE user SET Password=PASSWORD ('newpassword') where USER='root'; [Note: next time you will log in to the database with newpassword password] MariaDB [mysql] > FLUSH PRIVILEGES / / remember to ask for this sentence, otherwise if you close the previous terminal There will be the original error MariaDB [mysql] >\ Q Murray-my hands-on test [root@nessus] # systemctl stop mysqldFailed to stop mysqld.service: Unit mysqld.service Not loaded. [root@nessus ~] # systemctl stop mariadb [root@nessus ~] # [root@nessus ~] # [root@nessus ~] # mysqld_safe-- skip-grant-table191030 11:11:24 mysqld_safe Logging to'/ var/log/mariadb/mariadb.log'.191030 11:11:24 mysqld_safe Starting mysqld daemon with databases from / var/lib/mysql opens a new terminal enter [root@nessus ~] # mysql-uroot [my no password] MariaDB [(none)] > use mysql Reading table information for completion of table and column namesYou can turn off this feature to get a quicker startup with-ADatabase changedMariaDB [mysql] > UPDATE user SET Password=PASSWORD ('newpassword') where USER='root';Query OK, 4 rows affected (0.01sec) Rows matched: 4 Changed: 4 Warnings: 0MariaDB [mysql] > MariaDB [mysql] > MariaDB [mysql] > FLUSH PRIVILEGES Query OK, 0 rows affected (0.00 sec) MariaDB [mysql] >\ qBye [root@nessus ~] # mysql-uroot [found to be unable to log in without a password] ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) [root@nessus ~] # [root@nessus ~] # mysql-uroot-pnewpassword [login database with newpassword password] Welcome to the MariaDB monitor. Commands end with; or\ g.Your MariaDB connection id is 5Server version: 5.5.60-MariaDB MariaDB ServerCopyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.Type 'help;' or'\ h' for help. Type'c'to clear the current input statement.MariaDB [(none)] > create database MAC;Query OK, 1 row affected (0.00 sec) MariaDB [(none)] > MariaDB [(none)] >