Linux and DevOps

📱 Understanding the Linux File System Layout

#meme

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

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🔅 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.

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📶 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.

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📱 Data Encapsulation and De-encapsulation #network #linux

🔅 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

🔅 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.

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