Introduction

Let's proceed!

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Accessing Your Linux Machine Using SSH (Deploy)

I've logged into the Linux Fundamentals Part 2 machine using SSH!

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You have to connect to the deployed machine in order to answer the following tasks. To do so: Press the "Start Machine"-button. After the machine is deployed you have to wait a minute to be able to see the IP-address. When you are able to see the IP-address you can connect to the ssh-port of the server by running the command ssh tryhackme@IP(with the actual IP address instead of the word IP) and entering tryhackme as the password.

Introduction to Flags and Switches

Explore the manual page of the ls command

No answer needed To get the manual page use the command man ls

What directional arrow key would we use to navigate down the manual page?

down

What flag would we use to display the output in a "human-readable" way?

-h

Filesystem Interaction Continued

How would you create the file named "newnote"?

touch newnote

On the deployable machine, what is the file type of "unknown1" in "tryhackme's" home directory?

Run file unknown1 to get the answer to the question

ASCII text

How would we move the file "myfile" to the directory "myfolder"

mv myfile myfolder

What are the contents of this file?

Use cat myfile to get the content of "myfile" to get the flag.

THM{FILESYSTEM}

Continue to apply your knowledge and practice the commands from this task.

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Permissions 101

On the deployable machine, who is the owner of "important"?

Run the ls -l command to list all files in the directories together with their owner.

user2

What would the command be to switch to the user "user2"?

su user2

Now switch to this user "user2" using the password "user2"

No answer needed Note: Run the su user2-command

Output the contents of "important", what is the flag?

Run cat importantto get the flag

THM{SU_USER2}

Note: You don't actually have to change to user2 to be able to see the contents of the "important"-file

Common Directories

Read me!

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What is the directory path that would we expect logs to be stored in?

/var/log

What root directory is similar to how RAM on a computer works?

/tmp

Name the home directory of the root user

/root

Now apply your learning and navigate through these directories on the deployed Linux machine.

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Conclusions and Summaries

Proceed to the next task to continue your learning

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Linux Fundamentals Part 3

Terminate the machine from task 2!

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Join Linux Fundamentals Part 3!

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