http://www.tecmint.com/cockpit-monitor-multiple-linux-servers-via-web-browser/
"Cockpit is an easy-to-use, lightweight and simple yet powerful remote manager for GNU/Linux servers, it’s an interactive server administration user interface that offers a live Linux session via a web browser.
It can run on several Linux distributions including Debian, Ubuntu, Fedora, CentOS, RHEL, Arch Linux among others.
Cockpit makes Linux discoverable thereby enabling system administrators to easily and reliably carry out tasks such as starting containers, managing storage, network configurations, log inspections coupled with several others."
CENTOS
yum install cockpit sos -y
systemctl enable --now cockpit.socket
firewall-cmd --add-service=cockpit
firewall-cmd --add-service=cockpit --permanent
REDHAT
subscription-manager repos --enable rhel-7-server-extras-rpms yum install cockpit sos -y systemctl enable --now cockpit.socket firewall-cmd --add-service=cockpit firewall-cmd --add-service=cockpit --permanent
https://server.domain.com:9090