Title: Introduction: Networking & Navigating
Course: CIS 121: Linux/UNIX I: Fundamentals ~ For IGNITE Review > Section: Learning Modules

We all tend to take the interconnectivity of computers for granted. Setting up correcting functioning connections and monitoring them is important. To do this, we need to understand the concepts as well as the tools that we will use.

- Understand where linux stores programs and data
- Know the type of information stored in the main system directories
- Use df and du to monitor the file system
- Understand the use of SUID, SGID and the sticky bit
- Understand part of how a network works
  - DNS
  - DHCP
  - IP Address
  - Net mask
  - Router
  - TCP/IP
- Know the steps involved in creating a network connection
- Understand basic Wi-Fi connections and security
- Be familiar with
  - ifconfig
  - route
  - /etc/resolv.conf
  - DHCP Client programs
  - Network device names
  - Routing tables
  - Trouble shooting connectivity
  - Basic network security
  - ftp and sftp
  - ping

Required Activities:

- Readings
  - Review the pages in this module
  - Read Chapters 16, 17, pages 271-306, in the Linux Essentials text book

Videos and Presentation

- View the following videos and use the presentation as an extra resource outlining the topics covered in the videos. Consider pausing the videos at different intervals while you practice what is taught.
  - Where the Files Go at Night PDF or ODP
  - Where the Files Go at Night video lecture (Time: 22:31)
  - Introduction to Networking with Linux PDF or ODP
  - Introduction to Networking with Linux video lecture (Time: 21:58)
  - UNIX Linux Scripting - ftp sftp Video Lecture (Time 6:27). PDF or ODP.
- Exercise - complete the following exercises (located under the Exercises link within the left navigation area):
  - Exercise 12
- Quiz - complete the following exercises (located under the Exercises link within the left navigation area):
  - Quiz 12

Enrichment Activities:

- Reference Text: Read Chapter 12, pages 235-258, in the Unix and Linux book.