RHCSA (Red Hat Certified System Administrator I)

Lesson 1: CLI Interface of Linux (Duration – 02:00 Hrs)
• Introduction to CLI interface- BASH shell.
• Various Consoles in Linux.
• Understanding how to use shell

Lesson 2: File System Management (Duration – 03:00 Hrs)
• The root Directory and its Subdirectory.
• Concepts of Linux File Hierarchy
• Understanding Current Working Directory
• Creating Files and Directories
• Absolute and Relative Path-names
• Change Directories
• List Directory Contents
• Concepts of Copy & Move Files & Directories
• Deleting Linux Files and Directories

Lesson 3: Getting Help in RHEL (Duration – 02:00 Hrs)
• Understnading Help using man Command
• Running Commands
• Getting Help
• whatis Command
• help Option

Lesson 4: View & Edit Text Files in Linux (Duration – 02:00 Hrs)
• Understanding various Text Editors
• Concept of Standard Input, Output and Error.
• Introduction to Linux Operators
• Overwriting and Appending
• Redirecting Standard Error
• The pipe (|) operator

Lesson 5: User & Group Management (Duration – 04:00 Hrs)
• Create and Manage Users and Groups.
• User and Group ID Numbers
• The/etc/passwd,
• /etc/shadow/
• etc/group
• System Users and Groups
• Changing Your Identity
• User Information Commands

Lesson 6: Linux File and Directory Permissions (Duration – 03:00 Hrs)
• File & Directory Permissions
• Permission Types in Linux
• Changing Permissions with chmod command
• Changing Ownership with chown and chgrp commands
• Special Permission Bits in Linux
• Understanding Default Permissions using umask command

Lesson 7: Monitoring and Managing Processes in Linux (Duration – 02:00 Hrs)
• Viewing Running Processes
• Managing Processes
• Background & Foreground Jobs
• Monitor Process Tree

Lesson 8: Controlling services and daemons in Linux (Duration – 02:00 Hrs)
• Status of a Service
• Start / Stop / Restart a Service.
• Enable/Disable Service at Boot
• Reload a Service
• List All Services
• View Service Logs,
• Create and Manage Your Own Service

Lesson 9: Configuring and Securing the OpenSSH service (Duration – 03:00 Hrs)
• Install & Enable OpenSSH Server
• Configure SSH
• Key-Based Authentication

Lesson 10: Analysing and Storing Logs in Linux (Duration – 02:00 Hrs)
• Logs Storage
• Concepts of ‘syslog’

Lesson 11: Managing networking on RHEL (Duration – 03:00 Hrs)
• Current Network Configuration
• Configure Networking with nmcli
• Edit Config Files
• Restart Networking
• Enable Network on Boot

Lesson 12: Archiving and Coping files in Linux (Duration – 02:00 Hrs)
• Archiving Files using tar command
• Using commands like zip and gzip
• Copying Files Between Systems

Lesson 13: Installing and Updating Software Packages (Duration – 02:00 Hrs)
• Installing and Updating Software with YUM/DNF/APT
• Removing Applications
• Updating and Upgrading Software

Lesson 14: Mounting file systems in Linux (Duration – 02:00 Hrs)
• Getting Access of the Local File System
• Mount and Unmount File Systems
• Accessing Network File Systems
• File System Types in Linux

Lesson 15: Accessing the command line in Linux (Duration – 03:00 Hrs)
• Graphical Interface (GUI)
• Virtual Consoles
• Accessing Command Line Remotely
• Recovery Mode or Rescue Mode

Lesson 16: Using Virtualized Systems in Linux (Duration – 03:00 Hrs)
• Understanding KVM
• Introduction to VirtualBox
• Concepts of Docker
• What is LXD

RHCSA (Red Hat Certified System Administration II)

Lesson 1: Automating Linux installations using Kickstart (Duration – 02:00 Hrs)
• Intro to Kickstart
• Using Kickstart to Install and Configure Linux

Lesson 2: The ‘grep’ (Duration – 01:00 Hrs)
• Using Regular Expressions to find content

Lesson 3: Create and Edite Text files with VI and VIM (Duration – 02:00 Hrs)
• Various Modes of ‘vim’ Editor
• Using Command Mode, Undoing Changes, Visual Mode
• Splitting the Screen
• Configuring vi and vim

Lesson 4: Schedule future tasks in Linux (Duration – 02:00 Hrs)
• Scheduling a Process To Execute Later
• Scheduling Periodic Processes
• Crontab File Format

Lesson 5: Process Management in Linux (Duration – 03:00 Hrs)
• Introduction to Linux Processes
• Process States, and Viewing Processes
• Sending Signals to Processes
• Terminating Processes
• Altering Process Scheduling Priority
• Interactive Process Management Tools
• Process in the Background
• Suspending Process
• Listing Background and Suspended Jobs

Lesson 6: Introduction to Access Control Lists (ACL) (Duration – 02:00 Hrs)
• Undersntading ACL's and file system.

Lesson 7: Overview of SELinux (Security-Enhanced Linux) (Duration – 03:00 Hrs)
• What is SELinux?
• Exploring various Se-Linux Modes
• Se-Linux Context of a File
• Understanding Se-Linux Boolean Settings

Lesson 8: Network-defined Users and Groups (Duration – 02:00 Hrs)
• User authentication by using centralized Identity Management Services.

Lesson 9: Disk and Partition Management (Duration – 04:00 Hrs)
• Detecting the New Disk
• Partition the Disk (Using fdisk for MBR-style partition table)
• Creating & Deleting partitions using the GPT (GUID Partition Table)
• Overview of ‘gdisk’ Tool
• Format a partition or storage device Using ‘mkfs’

Lesson 10: Monitoring Logical Volume Management (LVM) Storage (Duration – 02:00 Hrs)
• Physical Volumes, Volume Group, Logical Volumes and File System
• Mount, Resize Logical Volume (and filesystem).

Lesson 11: Configuring NFS- network storage in Linux (Duration – 02:00 Hrs)
• Install NFS Utilities
• Create a Mount Point
• Understanding the Accessing , Mounting & un-mounting of the NFS Shares

Lesson - 12: Troubleshooting the RHEL Boot Process (Duration – 04:00 Hrs)
• Boot Process Stages in RHEL (BIOS/UEFI, GRUB, Kernel, initramfs and Systemd)
• Troubleshooting in RHEL
• Permission or User Issues, System Logs, Boot Issues, Network Issues, Package and Dependency Issues)

Lesson - 13: Configuration of Firewalls (Duration – 03:00 Hrs)
• Firewall on Linux ‘firewalld’, ‘firewalld-cmd’, and ‘firewalld-config’
• Firewalls like ‘IPCop’, ‘iptables’, ‘Shorewall’, ‘UFW’ and ‘iptables’