To get Mariadb password hash:
	SELECT PASSWORD('notagoodpwd'); 

To Change password for user:
	SET PASSWORD FOR 'bob'@'%.loc.gov' = PASSWORD('newpass');

Operation
sql
Logon:              
mysql -u root -p
List mysql.user info
desc mysql.user;
List certain attribs:
SELECT user,host FROM mysql.user;
List usr,pw,host:
select host,user,password from user;
List user auth: 
SELECT User, Host, authentication_string FROM mysql.user;
List logged-in usrs:
SELECT user, host,db, command FROM 
				information_schema.processlist;
Access as Root:
sudo mysql --user=root mysql -p
              PERMISSIONS
grant perms:
GRANT SELECT ON *.* TO ;
list perms:
SHOW GRANTS FOR @;
grant all privileges on *.* to 'shadow'@'%' identified by password 
				'*825958ACBF93C15527606F2D0AB343394D67F090';