Como instalar o Apache, MySQL e PHP no Oracle Linux 8
Instalando o Apache

Digite no prompt de comando:

sudo dnf -y install httpd

Agora inicie e habilite o serviço para iniciar com o sistema:

sudo systemctl start httpd
sudo systemctl enable httpd

Libere a porta no firewall:

sudo firewall-cmd --permanent --zone=public --add-service=http
sudo firewall-cmd --reload

Instalando o PHP

Digite no prompt de comando:

sudo dnf install -y php

Reinicie o Apache:

sudo systemctl restart httpd

Instalando o MySQL

Digite no prompt de comando:

sudo dnf -y install @mysql

Inicie o serviço:

sudo systemctl start mysqld
sudo systemctl enable mysqld

Execute a instalação segura:

sudo mysql_secure_installation

Respostas:

Press y|Y for Yes, any other key for No: y
Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG: 2
New password:
Re-enter new password:
Do you wish to continue with the password provided?(Press y|Y for Yes, any other key for No) : y
Remove anonymous users? (Press y|Y for Yes, any other key for No) : y
Disallow root login remotely? (Press y|Y for Yes, any other key for No) : y
Remove test database and access to it? (Press y|Y for Yes, any other key for No) : y
Reload privilege tables now? (Press y|Y for Yes, any other key for No) : y