First, ensure that the '''host''' and '''vms''' are running, and set the '''domain name''' is set correctly on each of your four machines (host and three VMs via '''/etc/hosts'''):

#Switch to your VM1.#Use yum to install the DNS server. We'll be using called '''Bind''', the most popular DNS server on the planet.by issuing the command:<br><br><pre>yum install bind</pre>