Edición de «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