how to firewalld

“Firewalld provides a dynamically managed firewall with support for network/firewall zones that define the trust level of network connections or interfaces. It has support for IPv4, IPv6 firewall settings, ethernet bridges and IP sets. There is a separation of runtime and permanent configuration options. It also provides an interface for services or applications to add firewall rules directly.” – firewalld.org

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Setup Docker CE for CentOS 7

Overview

In this tutorial I will show how to Setup Docker CE for CentOS 7.
The default Docker version that comes with CentOS is very old and only supports docker-compose syntax version 2. To use a higher level of docker-compose syntax we need the latest Docker CE.
This tutorial is the short version of the official Docker CE tutorial.

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