Installing Joomla 3.9.6 on Centos 7 with httpd, php 7.3 and mysql 8.0

MYSQL

Install mysql 8.0 repository
# rpm -Uvh https://repo.mysql.com/mysql80-community-release-el7-3.noarch.rpm

Install mysql-server 8.0
# yum install -y mysql-community-server

Start mysql server
# systemctl start mysqld

Secure mysql server installation, answer yes to all question in the mysql_secure_installation procedure
# grep password /var/log/mysql.log
# mysql_secure_installation

Change mysql default authentication plugin to mysql_native_password. Refer here for more information
# cat >> /etc/my.cnf <<EOF
[mysqld]
default-authentication-plugin=mysql_native_password

EOF

Restart mysql

# systemctl restart mysqld

Create database for joomla

# mysql -u root -p

mysql> create database joomla;

mysql> create user joomla@localhost identified by 'MyJoomla123!';

mysql> grant all privileges on joomla.* to joomla@localhost;

PHP

Install epel and remi repository

# yum install epel-release -y

# rpm -Uvh https://rpms.remirepo.net/enterprise/remi-release-7.rpm

Install php73 and required components

# yum --enablerepo=remi-php73 install php php-zlib php-xml php-json php-mcrypt php-mysqlnd -y

HTTPD

Install httpd server

# yum install -y httpd

Start httpd

# systemctl start httpd

JOOMLA

Download joomla source code

# yum install -y wget

# wget https://downloads.joomla.org/cms/joomla3/3-9-6/Joomla_3-9-6-Stable-Full_Package.tar.gz

Create a directory for joomla in httpd's root directory

# mkdir /var/www/html/joomla

Extract the code into the directory in root directory

# tar -xvf Joomla_3-9-6-Stable-Full_Package.tar.gz -C /var/www/html/joomla

Give proper owner to joomla directory

# chown -R apache.apache /var/www/html/joomla

Restart httpd

# systemctl restart httpd

Browse to http://your.ip.add.ress/joomla, to access the installation wizard. Fill in your site's preferences, and click Next

Fill in database details, as per MYSQL section above, and click Next

Fill in ftp configurations, if applicable, and click Next

Click Install

Joomla is now installed

Copy the code in Notice, and paste it in a new file called /var/www/html/joomla/configuration.php

Remove the installation older

# rm -rf /var/www/html/joomla/installation

Click on Site button to view your joomla main page, and click on Administrator button to view your joomla administrator's site.