Linux networking: Simplified guide to IP addresses and routing

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The article begins by explaining the basics of networking concepts, such as IP addresses and their formats. It covers the difference between IPv4 and IPv6 addresses, as well as public and private IPs1. Subnet masks and gateways are also discussed, with subnet masks determining the network and host portions of an IP address, and gateways connecting local networks to external networks. By by George Whittaker.

The article provides step-by-step instructions for configuring IP addresses using the ip command and nmcli for NetworkManager. It explains:

  • Understanding basic networking concepts
  • Network configuration tools in Linux
  • Configuring Routing in Linux
  • Automatic IP Configuration: DHCP
  • Troubleshooting Network Issues
  • Securing Your Network Configuration

With a foundational understanding and hands-on experimentation, Linux networking becomes less daunting. While challenges may arise, equipped with knowledge and tools, you’re well-prepared to navigate the interconnected web of Linux networks. Good read!

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