Linux-notes

Linux fundamentals, commands and labs for cloud engineering

Linux Notes 🐧

Overview

This repository contains my Linux fundamentals and hands-on labs while learning cloud engineering.

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🔍 What I Learned

1. Checking Current User

whoami

2. Getting User ID and Groups

id

3. Switching to Root User

sudo -i

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4. Viewing Files in Root Directory

cd /
ls

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5. Checking OS Information

cat /etc/os-release

Output showed:

• OS: CentOS Stream
• Version: 9

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6. Downloading Files from Internet

cd /home/thor
wget https://www.w3.org/WAI/ER/tests/xhtml/testfiles/resources/pdf/dummy.pdf

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7. Verifying Download

ls /home/thor

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8. SSH into Another Server

ssh thor@172.16.238.3

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📸 Lab Evidence

Root Access & File Check

File Download & OS Check

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💡 Key Takeaways

• Learned how to identify OS type before installing packages
• Practiced switching users and permissions
• Used wget to download files
• Understood importance of SSH in cloud environments