yum install httpd
yum install php, php-mysql, php-devel
yum install mariadb-server
yum install unzip

poner apache y mariadb para que se arranque en el inicio

systemctl enable httpd
systemctl enable mariadb

Iniciamos los servicios

systectl start httpd
systemctl start mariadb

Para asegurar la BDD y ponerle contraseña ejecutamos el script

mysql_secure_installation

cd /tmp
 wget https://downloads.joomla.org/es/cms/joomla3/3-8-2/Joomla_3-8-2-Stable-Full_Package.zip

Preparar la instalación de joomla en Apache

#mkdir –p /var/www/html/joomla1.5rc4
#cd /var/www/html/
#ln –s /var/www/html/joomla1.5rc4 joomla
#mv /tmp/Joomla-1.5RC4.zip /var/www/html/joomla

#vi /etc/httpd/conf.d/joomla.conf
Alias /joomla /var/www/html/joomla

<Location /joomla>

Order deny,allow

Deny from all

Allow from 127.0.0.1

Allow from all

</Location> 

CREATE DATABASE joomla;
GRANT ALL PRIVILEGES ON joomla.* TO joomlauser@localhost IDENTIFIED BY 'password';
GRANT ALL PRIVILEGES ON joomla.* TO joomlauser@localhost.localdomain IDENTIFIED BY 'password';
FLUSH PRIVILEGES;
quit;