Red Hat Linux Certified System Admin - SA1

What you'll learn

Installation of Red Hat Enterprise Linux 7
Accessing the Command Line
Managing Files From the Command Line
Getting Help in Red Hat Enterprise Linux
Creating, Viewing, and Editing Text Files
Managing Local Linux Users and Groups
Controlling Access to Files with Linux FileSystem Permissions
Monitoring and Managing Linux Processes
Controlling Services and Daemons
Configuring and Securing OpenSSH Service
Managing Red Hat Enterprise Linux Networking
Installing and Updating Software Packages
sftp with lab session
rsync command

Requirements

PC or Laptop with internet Connection

Description

Course Description:


Red Hat Linux Certified System Admin - SA1 based on RHEL 7

RHCSA – Certified Red Hat Enterprise Linux System Administrator

Course Outline

Introduction

Red Hat System Administration 1

Installation of Red Hat Enterprise Linux 7 using vmware workstation

Understanding the Command Line

Accessing the command line using the Local & remote Console

Lab Session on Local Console Access

Access & view the Command Line Using the Desktop

Lab Session on the GNOME 3 Desktop Environment

Executing & Implementing Commands Using the Bash Shell

Lab: Accessing the Command Line

Operate Files & Directories From the Command Line

Overview of the Linux File System Hierarchy

Locating Files by Name

Lab : Locating Files and Directories

Command-Line Tools

Matching File Names Using Path Name

Lab: Managing Files with Shell Expansion

Various useful command to get help in RHEL

man Command

Lab: Using the man Command

Reading Documentation Using pinfo Command

Lab: Using the pinto Command

Reading Documentation in /usr/share/doc

Practice: Viewing Package Documentation

Getting Help From RedHat

Lab session on Creating and Viewing an SoS Report

Viewing, Creating & and Editing Text Files

Redirecting Output to a File or Program

I/0 Redirection

Editing Text Files

Lab on Editing & viewing file with Vim

Editing Text Files with a Graphical Editor

Lab Copying Text Between Windows

Lab: Creating, Viewing, and Editing Text Files

User Management

Understanding different types of groups and creation of groups

Creation of users in different groups

Understanding Passwd, Shadow Files

Understanding passwd aging

Creation of quotas for users, groups and file systems

Understanding users security files

password aging policy using chage commands

TROUBLESHOOTING

Permissions in Linux

Linux File System Permissions

User based Permissions group

Permission types

Practice: Managing File Security from the Command Line

Managing Default Permissions and File Access

Practice: Controlling New File Permissions and Ownership

Special permissions like Setuid, setguid & Sticky bit etc

Two Labs to demonstrate the permissions from real IT industry environment.

Linux Processes

Processes

Lab Session on Processes Management

Controlling Jobs

Lab: Background and Foreground Processes

Killing Processes

Practice: Killing Processes

Monitoring Process Activity

Practice: Monitoring Process Activity

Lab: Monitoring and Managing Linux Processes

Managing Services and Daemons

Controlling Services and Daemons

Identifying Automatically Started System Processes

Lab session on Identify the Status of systemd Units

Controlling System Services

Lab session on using systemctl to Manage & Controlling Services & Daemons

Configuring and Securing SSH Service

Accessing the Remote Command Line with SSH

Practice: Accessing the Remote Command Line

Configuring SSH Key-based Authentication

Practice: Using SSH Key-based Authentication

Customizing SSH Service Configuration

Practice: Restricting SSH Logins

Lab: Configuring and Securing OpenSSH Service

Analyzing Logs

System Log Architecture - System Logging

Lab to understand System Logging Components

Overview of System log Files

Finding Log Entries

Reviewing systemd Journal Entries

Lab Finding Events With journalctl

Maintaining Accurate Time

Practice: Adjusting System Time

Lab: Analyzing and Storing Logs

Managing Red Hat Enterprise Linux Networking

Networking Concepts

Practice: Networking Concepts

Validating Network Configuration

Practice: Examining Network Configuration

Configuring Networking with nmcli

Practice: Configuring Networking with nmcli

Editing Network Configuration Files

Practice: Editing Network Configuration Files

Configuring Host Names and Name Resolution

Practice: Configuring Host Names and Name Resolution

Lab: Managing Red Hat Enterprise Linux Networking

Archiving and Copying Files Between Systems

Managing Compressed tar Archives

Practice: Backing Up and Restoring Files From a tar Archive

Copying Files Between Systems Securely

Practice: Copying Files Over the Network With scp

Synchronizing Files Between Systems Securely

Practice: Synchronizing Two Directories Securely With rsync

Lab: Archiving and Copying Files Between Systems

Installing and Updating Software Packages

How to attach Systems to Subscriptions for Software Updates

RPM Software Packages and Yum

Managing Software Updates with yum

Practice: Installing and Updating Software with yum

Enabling yum Software Repositories

Practice: Enabling Software Repositories & working with RPM files

Linux File Systems

Overview about Linux File Systems

Identify File Systems and Devices

Practice Lab Session

Mounting and Unmounting File Systems

Making Soft & Hard Links Between Files

Locating Files on the System

Practice: Locating Files on the System

Various Practice Lab Session

Who this course is for:

There is no formal prerequisites for this course; however, previous system administrator experience on other operating system would be very beneficial.