How To Install and Use Docker Compose on CentOS 7
Docker Compose is a tool that allows you to define and run multi-container Docker applications. With Compose, you define the application's services, networks and volumes in a single YAML file, then spin your application with a single command.
How to Use Dig Command to Query DNS in Linux
Dig (Domain Information Groper) is a powerful command-line tool for querying DNS name servers. With the dig command you can query information about various DNS records including host addresses, mail exchanges, and name servers.
How To Install VMware Workstation Player on Ubuntu 18.04
With VMware Workstation Player you can create and run your own virtual machines and evaluate software distributed as a virtual appliance from many software vendors. This tutorial explains how to install VMware Workstation Player on Ubuntu 18.04.
Linux Cat Command
The cat command is one of the most widely used commands in Linux. The name of the cat command comes from its functionality to concatenate files. It can read and concatenate files, writing their contents to the standard output.