Linux: Network Configuration

Find out how to configure network settings on systems running a variety of Linux distributions.

Introduction

• Linux network configuration
• Virtual environment setup

1. Network Configuration Basics

• Configuring a network adapter
• Interface management tools
• Configuration management tools
• Which tools should I use?
• Network interfaces

2. Manual Network Configuration Tools

• Configure a static IP using ifconfig
• Explore interface information with ifconfig
• Configure a static IP using the ip command
• Interface information with ip
• Provide DNS settings
• Configure an interface using DHCP
• Connect to Wi-Fi with iwconfig and wpa_supplicant

3. Network Configuration with ifupdown

• Configuring systems using ifcfg
• Configuring systems using ENI

4. Network Configuration with NetworkManager

• Using NetworkManager's visual tools
• Using NetworkManager's command-line tools
• Configure a static client with nmcli
• Configure a dynamic client with nmcli
• Configure Wi-Fi

5. Network Configuration with Netplan

• Exploring Netplan
• Configure a Netplan client

6. Network Configuration with systemd-networkd

• Exploring systemd-networkd and networkctl
• Configure a systemd-networkd client

7. Hostname and Firewalls

• Set the system hostname
• Exploring firewalls
• Firewall configuration with UFW
• Firewall configuration with firewalld
• Monitor network port activity

Conclusion

• Next steps