CentOS 7

Luego de la instalación base configurar la red utilizando

nmtui

Actualizar

yum -y update

Configurar firewall con los servicios comunes

firewall-cmd --zone=public --permanent --add-service=ssh
firewall-cmd --zone=public --permanent --add-service=http
firewall-cmd --zone=public --permanent --add-service=https

Agregar repositorios utiles

yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
yum -y install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
yum -y update
yum install yum-utils

yum-config-manager --enable remi-php70   [Install PHP 7.0]
yum-config-manager --enable remi-php71   [Install PHP 7.1]
yum-config-manager --enable remi-php72   [Install PHP 7.2]

yum install php php-mcrypt php-cli php-gd php-curl php-mysql php-ldap php-zip php-fileinfo 

Databases

MariaDB

# vi /etc/yum.repos.d/MariaDB.repo

Now add the following lines to your respective Linux distribution version as shown.

[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.1/centos7-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1

yum install MariaDB-server MariaDB-client -y

sudo systemctl start mariadb
sudo systemctl enable mariadb
sudo mysql_secure_installation

postgreSQL

yum install postgresql-server postgresql-devel postgresql-contrib
sudo postgresql-setup initdb
sudo systemctl start postgresql

editar

vi /var/lib/pgsql/data/pg_hba.conf

Cambiar para que autentique con md5

#host    all             all             127.0.0.1/32            ident
host    all             all             127.0.0.1/32            md5

systemctl restart postgresql
systemctl enable postgresql

Python + Django

yum install python-pip python-devel 
yum install gcc nginx