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Learning RHEL Networking by Andrew Mallett

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Chapter 3. Configuring Key Network Services

It must be said that having a network is great and most fulfilling; however, the reasons for using that network must be challenged and understood. No one has a network for the sake of having a network, so we must bring services to our network to give it a purpose, meaning, and reason to exist.

Of course, there are many and varied services that we can add, many of which are covered during the course of this book. To begin with, we will look at the following topics:

  • DNS (the name resolution)
  • DHCP (the IP address assignment)
  • NTP / PTP (time services)
  • SMTP (e-mail)

Domain Name System

Domain Name System (DNS) servers help us to resolve friendly computer names, such as www.packtpub.com, to a less human-friendly ...

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