Linux System Administration

Introduction

In this assignment, you will be creating a presentation (which you won't be presenting) about being a Linux (Ubuntu) system administrator.

First, create a slideshow with the following slides:

Title Card: Linux Sysadmin Notes
- Put your name on this slide
Linux Sysadmin Basics -- Course Introduction
Linux Sysadmin Basics 02 -- Basic Commands
Linux Sysadmin Basics 02.1 -- More Basic Commands

Be sure to share this slideshow with me.

You will be watching a series of videos. While watching those videos take notes in your slideshow. You will have to create additional slides for each video.

After watching each video, do the activities listed. Put your answers to questions in the slides as well.

Linux Sysadmin Basics -- Course Introduction

Linux Sysadmin Basics 02 -- Basic Commands

Experiment with each of the commands mentioned in this video:

pwd -- where am I?
ls -- list stuff in a directory
cd -- change directory
mv -- move and rename files
rm -- remove files and directories
rmdir -- remove directories
touch -- create empty files
mkdir -- create directories
man -- "manual" (help) pages

Try out the various flags (AKA argument or options) mentioned. Be sure to note anything interesting you find while experimenting in your notes (HINT HINT... Find minimum 3 things to talk about)

Questions (to be answered in your slides)

What is unique about hidden files?
How do you clear the terminal window?
What command lists the directory contents?
How would you list all the contents of the root directory?
What is the default shell?
What character is used to represent the "root" directory?
What character is used to represent your home directory?
What command prints your current working directory?
What does the up arrow do?
How do you use auto-completion?
What command changes the directory you are in?
How do you go to the "home" folder?
How do you create an empty file?
How do you display a text file on the console?
How do you create a directory?
What are files that end with a tilde?
What command is used to move a file or directory?
What command is used to rename a file?
How do you delete a file?
How do you delete a directory?
What command can be used to delete a file or directory?
How do you recursively delete a directory?
What is the command to show the manual page for a command?
What is the path to happy Linux "Sys Adminhood"?

Linux Sysadmin Basics 02.1 -- More Basic Commands

Experient with each of the commands mentioned in this video:

Files:
- head (read lines from beginning of file)
- tail (read lines from end of file)
- tail -f (follow file input, i.e. see new additions in realtime)
- ln -s (create symbolic links to a file)
Shell (bash):
- ctrl-a (beginning of line)
- ctrl-e (end of line)
- ctrl-r (backwards history search)
- ctrl-c to interrupt
- clear
- closing connections/terminals -ctrl-d
poweroff / init 0 / shutdown -h now

Questions

How do you go to the beginning of a line in the shell?
How do you get to the end of a line?
What character is used to begin a comment in the shell?
How do you search your shell history?
What is Ctrl+c used for?
How do you create a link to a file?
Why do you want to create a link to a file?
How do you get the first 10 lines of a file?
How do you get the last 10 lines of a file?
What does the command "tail -f" do?
Name three commands that can power off a computer from the terminal.
What is the command to shut a computer off in two hours.

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