# yum -y update
Download Webmin, please visit the Webmin download page and check for the Webmin RPM package number to insert in place of 1.831 (current is 1.982-1)
# wget http://prdownloads.source...n-1.982-1.noarch.rpm
# yum -y install perl perl-Net-SSLeay openssl perl-IO-Tty perl-Encode-Detect
# rpm -U webmin-1.831-1.noarch.rpm
Install admin desktop:
# yum groupinstall "GNOME Desktop" "Graphical Administration Tools"
# yum groupinstall "Server with GUI"
# ln -sf /lib/systemd/system/runlevel5.target /etc/systemd/system/default.target
# reboot

Accept the license
Click "Finish Configuration"

Install VMware Tools:
# yum install open-vm-tools
http://partnerweb.vmware..../GOSIG/CentOS_7.html

Docker Install:
# yum install docker
# yum install epel-release
# yum install docker-io
# systemctl start docker
# systemctl status docker
# systemctl enable docker
# service docker start
# service docker status
# chkconfig docker on
# docker run hello-world

Quick Docker commands:
# docker info
# docker version
# docker images

Run a Docker:
# docker run ubuntu cat /etc/issue

Remove Docker image:
# docker rmi ubuntu

Docker Info:
https://www.tecmint.com/i...-in-centos-rhel-7-6/


Automatic updates:
# yum -y install yum-cron

Once yum-cron is installed it is time to configure it.
The default configuration file is /etc/yum/yum-cron.conf.
You can edit the file using your favorite text editor.
The following options should be set:
update_cmd = default
apply_updates = yes

Save the file and restart the service:
# systemctl restart yum-cron

Enable the service on system boot:
# systemctl enable yum-cron