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= INVESTIGATION 2: CONFIGURING THE DNS CLIENT =
Before proceeding, we need to set the primary DNS server (DNS1 ) in your '''ifcfg-eth0''' (or ''ifcfg-en0'') file for your network interface cards for your virtual machines. Also it is a good idea to install the '''bind-utils ''' package on those other VMs as well in order to perform queries on your vm1 domain name server.
'''Perform the following Steps:'''
#Only install the '''bind-utils''' package for your '''vm2''' and '''vm3''' machines.
#You will need to configure your '''vm2''' and '''vm3''' to use that vm1's IPADDR as the '''default DNS server'''(DNS1) in your '''ifcfg-eth0''' (or ''ifcfg-en0'') file for your network interface card.<br>You should know how to do that, but if you forgot the procedure, refer to [http://zenit.senecac.on.ca/wiki/index.php/OPS335_Lab_1#Making_Persistent_.28Permanent.29_Network_Setting_Changes Lab 1].
You can, but you shouldn't, set your Host Machine to use '''vm1''' as the DNS server. DNS is a critical component of your network setup and if it's not working right - you won't even be able to look for a solution online (or get to this wiki page) on your host. Also your host is configured to be a DHCP client and it gets its DNS server assigned automatically.