Linux Networking Course by LiLux In this tutorial, we will see from how to configure a simple ethernet interface to routing, virtual interfaces, VLANs, to packet filter, quality of service, and encrypted VPNs between hosts or networks. The use of classic networking tools to analyze a network will be included. The tutorial will include a number of practical exercises. - basic interface configuration using ifconfig - routing on machines with multiple (virtual or real) interfaces - configuring virtual interfaces, updating arp entries - explanation of VLANs and their configuration - how to set up a packet filter using fwbuilder or plain netfilter/iptables - how to do QoS (quality of service) - how to set up an encrypted VPN, practical exercise with OpenVPN - usage of tools like ping, traceroute, tcptraceroute, nmap, tcpdump, ethereal etc. to identify problems