- What Is Linux? and How Does Linux Work?
- A Basic Guide to Linux Boot Process
- Linux Directory Structure and Important Files
- How to Install RHEL 9 for Free
- How to Install VirtualBox to Try Different Linux Distros
- Best Linux Distributions for Beginners To Try
- Install Rocky Linux on VirtualBox on Windows
ls Command
– List Files and Directories in Linuxcd Command
– Switch Between Directories in Linuxpwd Command
– Check Current Working Directory in Linuxdir Command
– List Contents of a Directory in Linuxmkdir Command
– Create New Directories in Linuxrmdir Command
– Delete Directories in Linuxmv Command
– Rename or Move Files and Directories in Linuxcp Command
– Copy Files and Directories in Linuxtouch Command
– Create New Files in Linuxfind Command
– Find Files and Directories in Linuxcat Command
– List Contents of Files in Linuxdf Command
– Check Linux File System Disk Space Usagedu Command
– Check Disk Usage of Files and Directoriestar Command
– Create, Extract, and List Archive Files in Linuxgrep Command
– Find Patterns or Strings in Text Filesln Command
– Create Hard and Symbolic Links in Linuxalias Command
– Create Alias (Shortcuts) in Linuxecho Command
– How to Print Line of Text in Linuxtail Command
– Print Last 10 Lines of File in Linuxtop Command
– List Running Processes in Linuxps Command
– List Running Processes with PIDs in Linuxkill Command
– Kill Running Processes with PIDs in Linuxuniq Command
– Remove Duplicate Lines in Linux
- Quirky ‘ls’ Commands Every Linux User Must Know
- Manage Files Effectively using head, tail and cat Commands in Linux
- Count Number of Lines, Words, Characters in File using ‘wc’ Command
- Basic ‘sort’ Commands to Sort Files in Linux
- Advance ‘sort’ Commands to Sort Files in Linux
- Pydf an Alternative “df” Command to Check Disk Usage
- Check Linux Ram Usage with ‘free’ Command
- Advance ‘rename’ Command to Rename Files and Directories
- Print Text/String in Terminal using ‘echo’ Command
- Switching From Windows to Nix – 20 Useful Commands for Newbies – Part 1
- 20 Advanced Commands for Middle Level Linux Users – Part 2
- 20 Advanced Commands for Linux Experts – Part 3
- 20 Funny Commands of Linux or Linux is Fun in Terminal – Part 1
- 6 Interesting Funny Commands of Linux (Fun in Terminal) – Part 2
- 51 Useful Lesser Known Commands for Linux Users
- 10 Most Dangerous Commands – You Should Never Execute on Linux
- How to Add or Create New Users using ‘useradd’ Command
- How to Modify or Change Users Attributes using ‘usermod’ Command
- Managing Users & Groups, File Permissions & Attributes – Advance Level
- Difference Between su and sudo – How to Configure sudo – Advance Level
- How to Monitor User Activity with psacct or acct Tools
- Yum Package Management – CentOS, RHEL and Fedora
- RPM Package Management – CentOS, RHEL and Fedora
- APT-GET and APT-CACHE Package Management – Debian, Ubuntu
- DPKG Package Management – Debian, Ubuntu
- Zypper Package Management – Suse and OpenSuse
- Linux Package Management with Yum, RPM, Apt, Dpkg, Aptitude and Zypper – Advance Level
- 27 ‘DNF’ (Fork of Yum) Commands for RPM Package Management – New Update
- Linux Process Monitoring with top Command
- Linux Process Management with Kill, Pkill and Killall Commands
- Linux File Process Management with lsof Commands
- Linux Job Scheduling with Cron
- 20 Command Line Tools to Monitor Linux Performance – Part 1
- 13 Linux Performance Monitoring Tools – Part 2
- Nagios Monitoring Tool for Linux – Advance Level
- Zabbix Monitoring Tool for Linux – Advance Level
- Shell Script to Monitor Network, Disk Usage, Uptime, Load Average and RAM – New Update
- How to Archive/Compress Linux Files and Directories using ‘tar’ Command
- How to Open, Extract and Create RAR Files in Linux
- 5 Tools to Archive/Compress Files in Linux
- How to Archive/Compress Files and Setting File Attributes – Advance Level
- How to Copy/Synchronize Files and Directories Locally/Remotely with rsync
- How to Transfer Files/Folders in Linux using scp
- Rsnapshot (Rsync Based) – A Local/Remote File System Backup Tool
- Sync Two Apache Web Servers/Websites Using Rsync – Advance Level
- Backup and Restore Linux Systems using Redo Backup Tool
- How to Clone/Backup Linux Systems Using – Mondo Rescue Disaster Recovery Tool
- How to Recover Deleted Files/Folders using ‘Scalpel’ Tool
- 8 “Disk Cloning/Backup” Softwares for Linux Servers
- What is Ext2, Ext3 & Ext4 and How to Create and Convert Linux File Systems
- Understanding Linux File System Types
- Linux File System Creation and Configurations – Advance Level
- Setting Up Standard Linux File Systems and Configuring NFSv4 Server – Advance Level
- How to Mount/Unmount Local and Network (Samba & NFS) Filesystems – Advance Level
- How to Create and Manage Btrfs File System in Linux – Advance Level
- Introduction to GlusterFS (File System) and Installation – Advance Level
- Setup Flexible Disk Storage with Logical Volume Management
- How to Extend/Reduce LVM’s (Logical Volume Management)
- How to Take Snapshot/Restore LVM’s
- Setup Thin Provisioning Volumes in LVM
- Manage Multiple LVM Disks using Striping I/O
- Migrating LVM Partitions to New Logical Volume
- Introduction to RAID, Concepts of RAID and RAID Levels
- Creating Software RAID0 (Stripe) on ‘Two Devices’ Using ‘mdadm
- Setting up RAID 1 (Mirroring) using ‘Two Disks’ in Linux
- Creating RAID 5 (Striping with Distributed Parity) in Linux
- Setup RAID Level 6 (Striping with Double Distributed Parity) in Linux
- Setting Up RAID 10 or 1+0 (Nested) in Linux
- Growing an Existing RAID Array and Removing Failed Disks in Linux
- Assembling Partitions as RAID Devices – Creating & Managing System Backups
- Configure Linux Services to Start and Stop Automatically
- How to Stop and Disable Unwanted Services in Linux
- How to Manage ‘Systemd’ Services Using Systemctl in Linux
- Managing System Startup Process and Services in Linux
- 25 Hardening Security Tips for Linux Servers
- 5 Best Practices to Secure and Protect SSH Server
- How to Password Protect Grub in Linux
- Protect SSH Logins with SSH & MOTD Banner Messages
- How to Audit Linux Systems using Lynis Tool
- Secure Files/Directories using ACLs (Access Control Lists) in Linux
- How to Audit Network Performance, Security, and Troubleshooting in Linux
- Mandatory Access Control Essentials with SELinux – New Update
- Basic Guide on IPTables (Linux Firewall) Tips / Commands
- How To Setup an Iptables Firewall in Linux
- How to Configure ‘FirewallD’ in Linux
- Useful ‘FirewallD’ Rules to Configure and Manage Firewall in Linux
- How to Install and Configure UFW – An Un-complicated FireWall
- Shorewall – A High-Level Firewall for Configuring Linux Servers
- Install ConfigServer Security & Firewall (CSF) in Linux
- How to Install ‘IPFire’ Free Firewall Linux Distribution
- How to Install and Configure pfSense 2.1.5 (Firewall/Router) in Linux
- 10 Useful Open Source Security Firewalls for Linux Systems
- Installing LAMP in RHEL/CentOS 6.0
- Installing LAMP in RHEL/CentOS 7.0
- Ubuntu 14.04 Server Installation Guide and Setup LAMP
- Installing LAMP in Arch Linux
- Setting Up LAMP in Ubuntu Server 14.10
- Installing LAMP in Gentoo Linux
- Creating Your Own Webserver and Hosting A Website from Your Linux Box
- Apache Virtual Hosting: IP Based and Name Based Virtual Hosts in Linux
- How to Setup Standalone Apache Server with Name-Based Virtual Hosting with SSL Certificate
- Creating Apache Virtual Hosts with Enable/Disable Vhosts Options in RHEL/CentOS 7.0
- Creating Virtual Hosts, Generate SSL Certificates & Keys and Enable CGI Gateway in Gentoo Linux
- Protect Apache Against Brute Force or DDoS Attacks Using Mod_Security and Mod_evasive Modules
- 13 Apache Web Server Security and Hardening Tips
- How to Sync Two Apache Web Servers/Websites Using Rsync
- How to Install ‘Varnish’ (HTTP Accelerator) and Perform Load Testing Using Apache Benchmark
- Installing and Configuring LAMP/LEMP Stack on Debian 8 Jessie – New Update
- Install LEMP in Linux
- Installing FcgiWrap and Enabling Perl, Ruby and Bash Dynamic Languages on Gentoo LEMP
- Installing LEMP in Gentoo Linux
- Installing LEMP in Arch Linux
- MySQL Basic Database Administration Commands
- 20 MySQL (Mysqladmin) Commands for Database Administration in Linux
- MySQL Backup and Restore Commands for Database Administration
- How to Setup MySQL (Master-Slave) Replication
- Mytop (MySQL Database Monitoring) in Linux
- Install Mtop (MySQL Database Server Monitoring) in Linux
- https://www.tecmint.com/mysql-performance-monitoring/
- Understand Linux Shell and Basic Shell Scripting Language Tips – Part I
- 5 Shell Scripts for Linux Newbies to Learn Shell Programming – Part II
- Sailing Through The World of Linux BASH Scripting – Part III
- Mathematical Aspect of Linux Shell Programming – Part IV
- Calculating Mathematical Expressions in Shell Scripting Language – Part V
- Understanding and Writing functions in Shell Scripts – Part VI
- Deeper into Function Complexities with Shell Scripting – Part VII
- Working with Arrays in Linux Shell Scripting – Part 8
- An Insight of Linux “Variables” in Shell Scripting Language – Part 9
- Understanding and Writing ‘Linux Variables’ in Shell Scripting – Part 10
- Nested Variable Substitution and Predefined BASH Variables in Linux – Part 11
- 15 Interview Questions on Linux “ls” Command – Part 1
- 10 Useful ‘ls’ Command Interview Questions – Part 2
- Basic Linux Interview Questions and Answers – Part 1
- Basic Linux Interview Questions and Answers – Part 2
- Linux Interview Questions and Answers for Linux Beginners – Part 3
- Core Linux Interview Questions and Answers
- Useful Random Linux Interview Questions and Answers
- Interview Questions and Answers on Various Commands in Linux
- Useful Interview Questions on Linux Services and Daemons
- Basic MySQL Interview Questions for Database Administrators
- MySQL Database Interview Questions for Beginners and Intermediates
- Advance MySQL Database “Interview Questions and Answers” for Linux Users
- Apache Interview Questions for Beginners and Intermediates
- VsFTP Interview Questions and Answers – Part 1
- Advance VsFTP Interview Questions and Answers – Part 2
- Useful SSH (Secure Shell) Interview Questions and Answers
- Useful “Squid Proxy Server” Interview Questions and Answers in Linux
- Linux Firewall Iptables Interview Questions – New Update
- Basic Interview Questions on Linux Networking – Part 1 – New Update