Instalar vestacp en Centos 7

Conectarse como root via SSH

ssh root@your.server

Download el script de instalación

curl -O http://vestacp.com/pub/vst-install.sh

Ejecutar el script

bash vst-install.sh

También se puede usar este comando personalizado con panel y accesorios completo, Apache + nginx, vsftp, exime + dovecot + spamassasin + clamav, named, potables + fail2ban, Softaculous, repositorio remi, sistema quota y mysql (MariaDB)

bash vst-install.sh --nginx yes --apache yes --phpfpm no --named yes --remi yes --vsftpd yes --proftpd no --iptables yes --fail2ban yes --quota yes --exim yes --dovecot yes --spamassassin yes --clamav yes --softaculous yes --mysql yes --postgresql no --hostname vps0000.im-global.net --email noc@im-global.net --password password

Upgrade a php 7.2

Install Remi Repository and EPEL Repository on your server 

wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
wget http://rpms.remirepo.net/enterprise/remi-release-7.rpm
rpm -Uvh remi-release-7.rpm epel-release-latest-7.noarch.rpm
yum install yum-utils
yum-config-manager --enable remi-php72

Upgrade a php 7.3

yum-config-manager --enable remi-php73
yum update -y
php -v

Disable versiones antiguas de PHP

yum-config-manager --disable remi-php56
yum-config-manager --disable remi-php70
yum-config-manager --disable remi-php71
yum-config-manager --disable remi-php72

referencia: https://www.mysterydata.com/upgrade-php-5-6-php-7-2-centos-vesta-cp/