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Keep calm and learn Linux


📱 Linux Commands at a glance


📱 Understanding the Linux File System Layout


#meme


📱 Linux architecture diagram


Forward from: Linkedin Learning Courses
Welcome to our Development Pack! 🚀

If you're interested in web development, mobile development, machine learning, or even ChatGPT, you're in the right place.

You'll find channels for everything, starting with the famous Python 🐍 and JavaScript, and finishing with React, Next.js, AutoCAD, and SolidWorks. We also cover databases, Linux 🐧, ethical hacking, cybersecurity, finance and marketing, crypto tutorials, and many more. 🌟

📱 Development Pack


📱 Most Used Linux Commands


🔅 Monitor Real-Time System Performance in Linux

Want to keep an eye on your system's performance in real-time? 🧐

Use this command:
top
This shows a dynamic view of your system's processes and resource usage. 📈

Join @LinuxMastery for more tutorials.


📱 Linux Basic Commands Every User Should Know


📶 How Dynamic Host Configuration (DHCP) Works


🔅 Set Up a Basic Firewall with `iptables` in Linux

Secure your Linux system by setting up a basic firewall. 🔒

Use these commands:
sudo iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
sudo iptables -A INPUT -p tcp --dport 22 -j ACCEPT
sudo iptables -P INPUT DROP
This allows SSH traffic and existing connections, dropping all other incoming traffic. 🚀

Join @LinuxMastery for more tutorials.


📱 Data Encapsulation and De-encapsulation

#network #linux


🔅 Create and Manage LVM (Logical Volume Management) in Linux

Easily manage disk space with LVM. 💽

Initialize your physical volume:
sudo pvcreate /dev/sdX

Create a volume group:
sudo vgcreate my_volume_group /dev/sdX

Create a logical volume:
sudo lvcreate -L 10G -n my_logical_volume my_volume_group

Format and mount your new logical volume:
sudo mkfs.ext4 /dev/my_volume_group/my_logical_volume
sudo mount /dev/my_volume_group/my_logical_volume /mnt

Join @LinuxMastery for more tutorials.


📱 Linux find command examples


📱 Linux Terminal Shortcuts


🔅 Create a Cron Job in Linux

Automate tasks by creating a cron job. ⏲

Edit the cron table:
crontab -e
Add a job to run a script every day at 2 AM:
0 2 * * * /path/to/your/script.sh
This ensures your script runs daily at the specified time. ⚙️

📱 Join @LinuxMastery for more tutorials.


📱 Linux grep command cheatsheet






🔅 Learning Ubuntu Desktop

🌐 Author: Scott Simpson
🔰 Level: Beginner

Duration: 2h 15m

🌀 Learn how to install and run Linux on a desktop computer with the popular and widely used distribution, Ubuntu Desktop Linux.


📗 Topics: Ubuntu

📤 Join Linux Mastery for more courses

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