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Lesson 3 Linux Admin Course Requirements
Objective Learn what you need to take this course.

Linux network Administration Course Requirements

Before beginning a course on Linux network administration, it is essential to have a foundational understanding of several key areas to ensure a smooth learning experience and success in the field. Here are some prerequisites to consider:
  1. Basic Understanding of Linux Operating Systems: A solid grasp of the Linux operating system is crucial. This includes knowledge of the Linux filesystem, command-line interface (CLI), basic commands, file permissions, and user management. Familiarity with key concepts and the ability to navigate and operate within the Linux environment is a must.
  2. Networking Fundamentals: A strong foundation in networking principles, such as the OSI model, TCP/IP stack, and common networking protocols, is highly beneficial. Understanding network architecture, addressing, routing, and network services will provide the necessary background for managing and maintaining network infrastructure on Linux systems.
  3. Understanding of Network Hardware: Familiarity with various types of network hardware, including switches, routers, and network interface cards (NICs), is helpful. Knowing how to configure and troubleshoot these devices will be important in a network administration role.
  4. Knowledge of Network Protocols and Services: Understanding common network protocols, such as HTTP, FTP, SSH, and DNS, as well as services like DHCP, NTP, and email servers, is essential. This knowledge will enable you to configure, manage, and troubleshoot these services effectively in a Linux environment.
  5. Scripting and Automation Skills: Proficiency in scripting languages like Bash, Python, or Perl can be beneficial for automating tasks, customizing solutions, and troubleshooting effectively. These skills will help streamline network administration tasks and improve efficiency.

By having a solid grasp of these areas, you will be well-prepared to start a course on Linux network administration and be able to build upon this foundational knowledge to become a successful network administrator.

Software Course

For the Linux Admin Course, additional software is not required. You will get practice through the use of online simulations that mimic a UNIX command-line environment. If you have a UNIX machine and system administrator privileges, you can also try the exercises on your own to learn more about how your specific system works.

Command Line Interface

A command-line interface (CLI), also known as command-line user interface and console user interface, is a means of interacting with a computer program where the user (or client) issues commands to the program in the form of successive lines of text known as command lines. The CLI was the primary means of interaction with most computer systems until the introduction of the video display terminal in the mid-1960s. The CLI continued to be used throughout the 1970s and 80s on Unix systems and personal computer systems including MS-DOS. The interface is usually implemented with a command line shell, which is a program that accepts commands as text input and converts commands to appropriate operating system functions.
Command-line interfaces to computer operating systems are less widely used by casual computer users, who favor graphical user interfaces. Command-line interfaces are often preferred by more advanced computer users, as they often provide a more concise and powerful means to control a program or operating system. In addition, programs with command-line interfaces are generally easier to automate via scripting.
Alternatives to the command line include
  1. text user interface menus (see IBM AIX SMIT for example),
  2. keyboard shortcuts, and
  3. various other desktop implementations controlled with a mouse.

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