This course expands on basic UNIX system administration by covering the fundamentals of UNIX network administration.
Furthermore, the course focuses on

1. TCP/IP networking under UNIX,
2. network monitoring, and
3. debugging.

The course also covers the variations between the Solaris, Linux, AIX, and HP-UX operating systems.
The examples and exercises, however, focus on using a Linux or a Solaris system.
In cases where the commands or procedures vary significantly between Linux and Solaris, two versions of examples and exercises are offered.
one for Linux and the other for Solaris.

After completing the course, you will be able to:

1. Describe in general terms the different layers in the TCP/IP protocol
2. Understand the rules governing IP address classes and netmasks
3. Configure the resolver library to arrange for TCP/IP name service
4. Bring interfaces up and down, and set their IP addresses and netmasks
5. Set the default route in the kernel routing table
6. Describe the difference between TCP and UDP services
7. Understand the significance of the /etc/services file and well-known port numbers
8. Configure the inet daemon, which controls many Internet services
9. Briefly describe many common services, and use telnet to contact servers directly
10. Use the ping command to test network connectivity
11. Use the netstat command to examine kernel tables pertaining to networking
12. Use the traceroute command to discover network paths
13. Use tcpdump to examine all network traffic

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