.::: Enable server audit in MariaDB MySQL :::.

1.    Check plugin log
[root@teguhth data]# mysql -u root -p
Enter password:
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 9
Server version: 10.2.44-MariaDB-log MariaDB Server

Copyright (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)]>
 

.::: Enable Slow Query Log in MariaDB MySQL :::.

1.    Configure using CLI. For testing . long_query_time using 0.0000000001 from default 10
direct command in mysql

MariaDB [(none)]> set global slow_query_log = 'ON'
MariaDB [(none)]> set global log_queries_not_using_indexes = 'ON';
MariaDB [(none)]> set global slow_query_log_file = 'teguh-slow.log';
MariaDB [(none)]> set global long_query_time = 0.000000000001;
MariaDB [(none)]> show variables like '%slow%';
MariaDB [(none)]> show variables like '%long%';
 

.::: Create Event Scheduler to run Query & List Store Procedure in MySQL, MariaDB :::.

 

1. refer link

https://teguhth.blogspot.com/2020/12/database-size-table-capacity-in-mysql.html
http://teguhth.blogspot.com/2022/08/create-store-procedure-for-database.html
https://teguhth.blogspot.com/2022/08/create-event-scheduler-to-run-query.htm

2. create event scheduler using existing store procedure

CREATE EVENT event_sp_database_size_info
    ON SCHEDULE EVERY '1' day
    STARTS '2022-08-01 02:00:00'
   do call sp_database_size_info ;

CREATE EVENT event_sp_table_size_info
   ON SCHEDULE EVERY '1' day
   STARTS '2022-08-01 02:00:00'
  do call sp_table_size_info;
 

 

.::: Create Store procedure for database & size capacity in MariaDB, MySQL :::.

 1. referlink

https://teguhth.blogspot.com/2020/12/database-size-table-capacity-in-mysql.html
http://teguhth.blogspot.com/2022/08/create-store-procedure-for-database.html
https://teguhth.blogspot.com/2022/08/create-event-scheduler-to-run-query.htm

 

A. Database size info
2. create store procedure for Database size capacity

 
use teguhthtools;

DELIMITER //
Create Procedure sp_database_size_info()

begin

insert into teguhthtools.tbl_dbsize
SELECT @@hostname as ServerName, current_timestamp() as DateTime,s.schema_name as SchemaName,
CONCAT(IFNULL(ROUND((SUM(t.data_length)+SUM(t.index_length))/1024/1024,2),0.00)) TotalSizeMB,
CONCAT(IFNULL(ROUND(((SUM(t.data_length)+SUM(t.index_length))-SUM(t.data_free))/1024/1024,2),0.00)) DataUsedMB,
CONCAT(IFNULL(ROUND(SUM(data_free)/1024/1024,2),0.00)) DataFreeMB  
FROM INFORMATION_SCHEMA.SCHEMATA s, INFORMATION_SCHEMA.TABLES t
WHERE s.schema_name = t.table_schema GROUP BY s.schema_name ORDER BY SchemaName ;


end //

DELIMITER ;
 

.::: Backup & restore Single Table, Database & All Database MariaDB, MySQL include single-transaction & skip-lock-tables include using Date Time file Name :::.

 database/table non encripted can restore to database encripted

but database/table encripted cannot restore to database non encripted
A. Backup Database
1. list database
MariaDB [(none)]> show databases;
+--------------------+
| Database           |
+--------------------+
| dbatools           |
| information_schema |
| mysql              |
| performance_schema |
| teguhth            |
+--------------------+
5 rows in set (0.00 sec)

MariaDB [(none)]>
 

.::: Create user admin, readonly, show priviledge database MySQL MariaDB & change password with all hostname & specific hostname :::.

1. Create user & database;

 

-- for access local
CREATE USER 'root'@'localhost' IDENTIFIED BY 'root';
GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION;
FLUSH PRIVILEGES;

-- for access remote
CREATE USER 'root'@'%' IDENTIFIED BY 'root';
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION;

ALTER USER 'root'@'%' IDENTIFIED BY 'root';
FLUSH PRIVILEGES;

-- for access local
CREATE USER 'teguh'@'%' IDENTIFIED BY 'teguhteguh';
GRANT ALL PRIVILEGES ON *.* TO 'teguh'@'%' WITH GRANT OPTION;

ALTER USER 'teguh'@'%' IDENTIFIED BY 'teguhteguh';
FLUSH PRIVILEGES;

-- for access remote
CREATE USER 'teguh'@'localhost' IDENTIFIED BY 'teguhteguh';
GRANT ALL PRIVILEGES ON *.* TO 'teguh'@'localhost' WITH GRANT OPTION;

ALTER USER 'teguh'@'localhost' IDENTIFIED BY 'teguhteguh';
FLUSH PRIVILEGES;

create database tgh;
create user 'teguh' identified by 'teguhteguh';
grant all privileges on *.* to 'teguh'@'%' identified by 'teguhteguh' with grant option;
FLUSH PRIVILEGES;
 
ALTER USER 'root'@'localhost' IDENTIFIED BY 'root';

 
ALTER USER 'root'@'%' IDENTIFIED BY 'root';

grant all privileges on *.* to 'root'@'%' identified by 'root' with grant option;

UPDATE mysql.user SET host='%' WHERE user='root'; 

FLUSH PRIVILEGES;

CREATE USER 'admin'@'localhost' IDENTIFIED BY 'admin';
GRANT ALL PRIVILEGES ON *.* TO 'admin'@'localhost' WITH GRANT OPTION;
ALTER USER 'admin'@'localhost' IDENTIFIED BY 'admin';
FLUSH PRIVILEGES;

CREATE USER 'admin'@'%' IDENTIFIED BY 'admin';
GRANT ALL PRIVILEGES ON *.* TO 'admin'@'%' WITH GRANT OPTION;
ALTER USER 'admin'@'%' IDENTIFIED BY 'admin';
FLUSH PRIVILEGES;

sample log