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= Basic network configuration =
Remember how you set up the network interfaces in your virtual machines in OPS235? You're expected to know that ''"inside -out "'' by now.
In OPS235, you learned how to configure a virtual private network via graphical applications for the '''centos1''' and '''centos2''' machines. In the previous lab, you have created and cloned VMs that are text-based only ('''like centos3'''). All of the services that we are configuring in this course require a working network connection; therefore, it is very important that you know how to set (preferable configure) a static IP address, default gateway, as well as your DNS server.
