Ubuntu Server 18.04 – Connecting to Networks

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Linux networks are taking the industry by storm. Many big-name companies use Linux in their data centers, to the point where most people use Linux nowadays, whether they realize it or not (either directly or indirectly). The scalability of Linux in the data center lends itself very well to networking. This flexibility allows Linux to not only be useful for large server deployments, but also allows it to power routers and network services.

So far in this tutorial, we’ve worked with a single Ubuntu Server instance. Here, we begin a two-part look at networking in Linux. In this chapter, we’ll discuss connecting to other nodes and networks. We’ll resume this exploration in Chapter 7, Setting Up Network Services, where we’ll work on some foundational concepts that power many of the things we’ll need to set up our Linux network.

In this episode of our Ubuntu adventure, we will cover:

  • Setting the hostname
  • Managing network interfaces
  • Assigning static IP addresses
  • Understanding NetworkManager
  • Understanding Linux name resolution
  • Getting started with OpenSSH
  • Getting started with SSH key management
  • Simplifying SSH connections with a config file

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