Linux Fundamentals: Linux Fundamentals Part 1 (TryHackMe)

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Link to the challenge on TryHackMe: Modern Web Stacks Introduction During a time-boxed engagement, the first tester to identify Apache/2.4.49 in a Server: header already knows the exact CVE before the

Link to the challenge/walkthrough on TryHackMe: Broken Authentication Introduction Authentication is the process by which a web application verifies the identity of the user making a request. It typic

Link to the HealthGPT AI security CTF challenge on TryHackMe. Meet HealthGPT, a well-meaning virtual assistant used by a busy healthcare team. It helps clinicians look up procedures, draft notes, and

Link to the section of the AI Odyssey CTF on TryHackMe: Token City. It covers challenges like: ML Sec: The Loan Arranger | AI Sec + DFIR: Rogue Commit | AI Sec + Web App Sec: Sealed Substation | Agent

Link to the Privilege Escalation Challenge on TryHackMe: Linux Privilege Escalation: Automation Introduction By now, you should have an understanding of basic privilege escalation techniques and how t

In this article, I will write a write-up for Linux Fundamentals Part 1 that covers A Bit of Background on Linux, Interacting With Your First Linux Machine (In-Browser), Running Your First Few Commands, Interacting With the Filesystem, Searching for Files, and An Introduction to Shell Operators.
Research: What year was the first release of a Linux operating system? 1991
If we wanted to output the text "TryHackMe", what would our command be? echo TryHackMe
What is the username of who you're logged in as on your deployed Linux machine? tryhackme
On the Linux machine that you deploy, how many folders are there? 4
Which directory contains a file? folder4
What is the contents of this file? Hello World
Use the cd command to navigate to this file and find out the new current working directory. What is the path? /home/tryhackme/folder4

Use grep on "access.log" to find the flag that has a prefix of "THM". What is the flag? THM{ACCESS}

If we wanted to run a command in the background, what operator would we want to use? &
If I wanted to replace the contents of a file named "passwords" with the word "password123", what would my command be? echo password123 > passwords
Now if I wanted to add "tryhackme" to this file named "passwords" but also keep "passwords123", what would my command be echo tryhackme >> passwords
Thank you for reading my article. Please leave any questions or comments on improving my learning journey and the THM challenges.