🐧 Linux Essentials 🐧

📌 Introduction to Linux

• 🐧 UNIX, Linux, and Open Source
• 🖥️ What is Linux?
• 🏠 Linux Distributions
• 📂 Directory Structure of Linux
• 💾 Linux Installation
• 🌐 Remote Shell in Linux
• 🚦 Run Levels in Linux

🏗️ Linux Basic Commands

• 🗺️ All Basic Command in Linux
• 📁 Creating and Removing Directories and Files (mkdir, touch, rmdir, rm)
• 🔄 Copying, Moving, and Renaming Files and Directories
• 📜 Using the cat Command
• 🔗 Wildcards - Globbing Patterns
• ➡️ Pipes and Redirects
• 📦 Archiving and Compression
• 🗜️ Compression Tools (zip, gzip, bzip, tar, 7zip)
• 🎁 Archiving Tools
• ⚡ Linux Keyboard Shortcuts Cheat Sheet

✍️ Text Editors

• 📝 cat
• 🖊️ Nano, Vim, Gedit, and VS Code Text Editor in Linux
• 📝 vim

🎨 GRC (Generic Colouriser)

• 🎨 GRC (Generic Colouriser) in Linux

🔍 String Processing and Finding Files

• 🔝 head
• 🔚 tail
• 🔢 watch
• 📑 wc
• 📑 sort
• 🔍 grep
• ✂️ Grep cut
• 🔗 grep paste
• 📊 awk
• 🛠️ sed

🔎 Finding Files Commands:

• 🌳 tree
• 🔦 find
• ❓ which
• 📌 whereis

👥 Users, Groups, and Permissions

• 🏢 User & Group Management in Linux
• 📄 /etc/passwd File
• 🔐 /etc/shadow File
• 📂 /etc/group File
• 🔏 /etc/gshadow File
• 🐚 Shell in Linux
• ➕ Adding Users
• 🔄 Modifying User Accounts
• ❌ Deleting User Accounts
• 👥 Adding Groups
• 🛡️ Root Login
• 🔄 Sharing Superuser Privileges with others (su and sudo Commands)
• 🔀 sudo command Configuring
• 🔀 Linux sudo and sudoers File Configuration
• 🔏 Protect Grub Boot Loader by Password
• 🔑 File Permissions
• 🔐 Umask
• 🏷️ chown
• 🔄 chmod
• ⚙️ Setting Default Permissions
• 🏷️ SUID Bit
• 🏷️ GUID Bit
• 📌 Setting the Sticky Bit
• 🔐 Access Control Lists (ACL) in Linux
• 🔑 Reset Root Password

📦 Package Management

• 🖥️ Service Management in Linux
• 📦 RPM and dpkg Overview
• 📦 RPM and SRPM Packages
• 🛠️ RPM Packge Install, Upgrade and Remove
• 📦 Yum Command Overview
• 📦 dnf Command Overview
• 📦 apt Command Overview
• 📦 dpkg Command Overview

💾 File System & Disk Management

• 💿 Add a New Virtual Disk in VirtualBox
• 💿 Types of Disks
• 🛠️ Disk Partition Create, Delete, Formatting, Mount
• 📂 Mounting a File System
• 📊 Hard and Soft Quota Management
• 🔍 Logical Volume Manager (LVM)
• 🏗️ RAID Overview
  • ⚡ Uses of RAID
  • 📊 RAID Levels
  • 🖥️ RAID Levels

🌐 Network Configuration and Controlling Services

• 🌍 Network Configuration
• 🛠️ Network Tools
  • 🔄 ifconfig
  • 🔄 traceroute
  • 🔄 tracepath
  • 📡 netstat
  • 📡 ss
• 🌐 Network Clients
  • 🔐 ssh
  • 📦 scp
  • 📂 ftp
  • 🌍 wget
  • 🔄 rsync
• 📌 Checking the Status of Services
  • ✅ Service Status
  • ✅ Service Start
  • ✅ Service Stop
  • 🔄 Starting, Restarting, and Stopping Services

📊 Process Management, and Monitoring Tools

Here’s a more aligned and neat version of your list:

• 🔄 ps
• 🗺️ jobs
• ➡️ fg
• 🗜️ htop
• ⚡ kill

🦠 Installing & Configuring Antivirus Software

• 🔬 ClamAV Antivirus
• 🛡️ LMD (Linux Malware Detect)

🏰 Firewalls

• 🚧 iptables
• 🌐 firewalld
• 🔥 ufw` (Uncomplicated Firewall)

📊 Memory Management and System Performance Commands

• 📈 free
• 📈 vmstat
• 📊 iostat
• 🔎 lsof
• 🌐 kill

🐧 Debian 12 Setup Full Guide

• 🧰 Debian 12 Setup Guide 🐧

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🐧 Linux Server 🐧

🌐 Dynamic Host Configuration Protocol (DHCP) Server 🌐

• 📡 Dynamic IP
• 🚫 Exclusion IP
• 🔒 Reserved IP (Reservation)
• ✅ Allow and Deny List ❌
• 🔄 Different Pools for Known & Unknown Clients
• 🅽 Nginx Configuration

🌐 Domain Name System (DNS) Server 🛠️

• 🔠 DNS Records Types
• 🌍 DNS Client Tools (bind-utils)
  • 🛠️ dig
  • 🛠️ nslookup
  • 🛠️ host
• 🌐 DNS Server Types

  • 🔄 Non-Authoritative (Recursive) Nameserver

    • 🏪 Caching Nameserver
    • 📤 Forwarding Nameserver
    • ↩️ Reverse Zone Configuration

  • 🔐 Authoritative Nameservers

    • 👑 Primary (Master) Nameserver
    • 📦 Secondary (Slave) Nameserver

  • 🌍 Multiple Zone Configuration

    • 🖥️ nikhil.local
    • 🖥️ patidar.local
    • 🖥️ ai.local

🌐 Apache Web Server 🐧

• 🌐 Apache Web Server
• 🌐 Binding with IP Address in Apache
• 🌐 Binding with Ports in Apache
• 🌐 Binding with Domain Names in Apache
• 🌐 Binding with SSL and TLS in Apache
• 🌐 Binding Multiple Websites with SSL

🐧 PHP, MySQL and Wordpress 🌍

• 🐘 PHP
• 📝 MySQL
• 🌍 Wordpress
• 📂 Directory Listing on a Website
• 🏠 User Home Directories
• 🔗 WebDAV with Apache
• ⚙️ CGI Scripts (Common Gateway Interface)

📦 Joomla, Moodle, and PostgreSQL

• 🧩 Joomla
• 🎓 Moodle
• 🛢️ PostgreSQL

🌐 FTP (File Transfer Protocol) Server 📁

• 📦 Anonymous Access on FTP Server
• 🔐 FTP Client Usage
• 🏠 Access User Home Directory on FTP Server using vsftpd
• 👑 Allow Root Login on vsftpd (FTP Server)
• 👥 Login with Selected Users on vsftpd
• 📁 FTP Path Configuration in vsftpd
• 🔒 TLS Encryption on FTP

📂 NFS (Network File System) Server Configuration 📡

• 🔧 Network File System (NFS)

🗂️ SMB (Samba) Server 🧰

• 🖥️ SMB (Samba) Client Tools
• 🗃️ Samba Server Setup
• 🧑‍🤝‍🧑 Anonymous Samba Share
• 🗂️ Shared Common Directories With Samba
• 🔐 Share With Selected Users on Samba

🗂️ Trivial File Transfer Protocol (TFTP) Server 📤

• 📤 TFTP Server Setup
• 🖥️ TFTP Client Usage

🔐 SSH (Secure Shell) Server 🖧

• 🚀 SSH (Secure Shell) Server Setup
• 🔄 Change Default SSH Port
• 📍 Bind SSH to a Specific IP Address
• ⛔ Prevent Root Login via SSH
• ✅ Enable Root Login via SSH

🔐 SSH Public and Private Key

• 📁 SSH Public and Private Key Configuration
• 🛠️ SSH Keygen Usage and SSH Authentication Setup
• 🚫 Managing IP Allow and Deny in SSH
• 📋 Managing Access with hosts.allow and hosts.deny

🔐 SSH Client Tools

• 🖥️ SSH (Secure Shell)
• 📤 SCP (Secure Copy)
• 🔄 Rsync, WinSCP, PuTTygen

🛡️ Proxy Server 🌐

• 🚀 Squid Proxy Server Setup
• 🔒 Access Control List (ACL) in Squid
• 🧑‍💻 User Authentication Using Squid Proxy
• 🌐 Squid Transparent Proxy
• 🔐 SSL Bump with Squid Proxy

🖥️ Telnet Server 🔒

• 🛠️ Telnet Server Setup

💡 RDP Remote Desktop 🔒

• 🖥️ Rdesktop
• 🖥️ Xfreerdp
• 🖥️ Remmina
• 🖥️ NoMachine
• 🖥️ XRDP
• 🖥️ VNC

💡 Preboot eXecution Environment (PXE) Boot Server 💻

• 📘PXE Boot Server Setup Guide

🔐 LDAP (Lightweight Directory Access Protocol) Server 🛠️

• 🛠️ LDAP Server Setup Guide

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🅾️ Created by Nikhil Patidar