Basic Linux Commands For Absolute Beginners

Basic Linux commands for absolute beginners. The Red Hat Certified System Administrator (RHCSA)

1.  Understand and use essential tools for handling files, directories, command-line environments, and documentation
2. Operate running systems, including booting into different run levels, identifying processes, starting and stopping virtual machines, and controlling services
3.  Configure local storage using partitions and logical volumes
4. Deploy, configure, and maintain systems, including software installation, update, and core services
5.  Manage users and groups, including the use of a centralized directory for authentication
6. Manage security, including basic firewall and SELinux configuration

RHCSA Course Basics

• RHCSA Certification Course Overview
• Setup Linux Lab using your Desktop
• Introduction to the Linux Operating System
• Download ISO and Centos7 Installation Guide
• Getting Started with Linux Basic Commands

Basic Linux Commands for Absolute Beginners

• Alias Command Linux | Create Shortcuts for Long Commands
• awk Command | Powerful Text Manipulation Tool
• Crontab Command 15 Cronjob Scheduling Examples in Linux
• Curl Command | Send and Receive Files From Server
• Find Command | Search Files and Directory in Linux
• Firewallcmd command | Firewall Using FirewallD on CentOS 7
• Fdisk Command | Fixed Disk | Format Disk Manage Disks & Partitions
• Grep Command | 15 Amazing Practical Examples
• Hostname Command | How To Assign and Change Host name in RHEL 7
• dig Command | Troubleshoot DNS record Issues
• tr Command in Linux/Unix
• chage command | Enforce Users To Change Passwords Frequently
• cpio command | Find and Archive the Files & Directory Tree
• dd Command | Create HDD Image Backup and Restore
• head command | tail command To check Log Files | Linux Tutorial
• File Globing in Linux | Wildcards To Fetch Data
• chmod command | Modify Files & Directory Permissions
• du Command | Disk utilization analyze
• file command to determine any file type
• history command | Remember Commands Like Pro
• diff Command | Compare Multiple Files Content
• cut command in Linux | Trim Text As You Like
• free command | Check System Memory Usage to identify Performance Issues
• chgrp command | Change Group Ownership Of Files and Directories
• df Command | Disk File System Usage Report
• Linux commands: id Command | print real and effective user and group IDs
• at command Linux
• date Command | Convert Date & Time As Per Timezone
• cat command | Concatenate files and print on the standard output
• chown command | Change User Group Ownership of Files and Directories
• Linux commands: chattr command to protect files & directories from accidental deletion
• cd command | Change the current directory to dir
• bc Command | An arbitrary precision calculator language
• expr command | Evaluate Expressions in Linux
• cp Command | Copy Files & Directories and Create Soft & Hard Links
• Linux commands: ifconfig command | To See Interface Details
• cal command | To View Calendar of Any Year
• arp command Linux

Few More Basic Linux Videos

• 25 Basic Linux Commands Commonly Used in Daily Tasks RHCSA
• Linux User Administration RHCSA Certification Guide
• Modify Linux User Properties and Set Password Age Policy
• YUM Repository Configuration RHEL 7 Step by Step Guide
• Creating Linux Groups and Securing them with Password RHCSA
• Linux File Permissions umask Explained RHCSA
• ACL Access Control List Linux Permissions RHCSA
• Special File Permissions Linux SUID, SGID and Sticky Bit Tech Arkit
• Sudo User Configuration Deep Dive sudoers visudo Tech Arkit
• Linux Disk Partitioning Creating Standard Partitions RHCSA Tech Arkit
• How to Delete Standard Partitions in Linux Tech Arkit
• LVM Logical Volume Manager Creating Logical Volumes RHCSA
• lvextend Extending Logical Volume Size nondisruptively RHCSA
• lvreduce How to Reduce LVM Size without Loosing data
• How to Get Help From Linux Command Line and Man Pages RHCSA
• OpenSSH Secure Shell Server and Client Configuration RHCSA
• Syslog Server Analyzing and Storing Logs RHCSA
• Archiving and Compressing files and Directories tar RHCSA
• RPM Red Hat Package Manager Install/Remove/Upgrade/Query Software&
• Crontab and at Commands Automating Regular Tasks
• ps Listing and Managing Linux Process RHCSA
• Access Linux machine using GUI and CLI1

Detailed Explanation of each command with examples

• Linux Directory Structure Amazing way to understand
• Linux Basics Linux basic commands
• Basic Commands touch, cat, ls, cd, date, cal and pwd
• Copy, Remove, Move and Time Commands
• diff and grep command with regular expressions
• Head, tail, sort and more commands How to check logs using these commands
• tr and wc command Count file characters, lines and words
• Linux Disk Utilities to get required information
• Getting Help from Command Line Interface
• w, who, hostname, hostnamectl and uname commands
• Find and locate command to search for files and directories
• top command analyzing system performance
• Text Editors Nano and Vi
• sed, awk, vmstat, netstat and mail

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