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Red Hat Certified System Administrator I (RHCSA)

RedHat System Administration I (RH124)

Introduction

RedHat System Administration I (RH124) aims to BUILDING ON COMMAND LINE SKILLS FOR Redhat LINUX ADMINISTRATION

Objectives

Gain sufficent skill to perform core system administration tasks on redhat enterprise linux
Build foundational skills needed by an RHCSA.
Installing Redhat operaing systems
Managing files and directories
Configuring Networks
Administrating users and groups

Course Overview

Red Hat System Administration I (RH124) is designed for IT professionals who are new to Linux and require core Red Hat Enterprise Linux skills. Focused on administration tasks that will be encountered in the workplace, this course will actively engage students in task-focused activities, lab-based knowledge checks, and facilitative discussions to ensure maximum skill transfer and retention. In addition, GUI-based tools will be featured to build on the students existing technical knowledge, while key command line concepts will be introduced to provide a foundation for students planning to become fulltime Linux system administrators. By the end of the five-day course, students will be able to perform installation, establish network connectivity, manage physical storage, and perform basic security administration.

Audience

Microsoft Windows system administrators who need to quickly learn core Red Hat Enterprise Linux proficiencies
System administrators, network administrators, and other IT professionals who require proficiency performing core tasks in Linux Non-Linux IT professionals on the path to becoming full-time Linux system administrators
its applicable collage or university student who have interest to work in linux operating system.

Prerequisites

There are no formal prerequisites for this course; however, previous operating system administration experience will be very beneficial

Topics In RedHat System Administration I

1 . Accessing the command line

Indroduction about linux and classroom enviroments
Accessing the command line using local console
What is shell and how it works?
Accessing the command line useing the desktop
What is teminal,How to open the terminal,how to execute the command inside the terminal
What is command?
What is the syntax to execute the command in linux?
Executing basic commands in linux operating system.

2 . Managing files from command line

Identify the purpose of important directories on linux system
Difference between absolute path and releative path
Create, copy, rename, remove files and directories in linux operating system
Use of nautilus and alias command
Use of text processing tools

3 . Getting help in redhat enterprise linux

Use the manual reader
Reading documentation using pinfo,info command
Use the who,whoami,w,w -f,which,where,whereis
Use the redhat-support-tool to lookup redhat knowledgebase articles and manage support cases.
Use the sosreport

4 . Creating, viewing, and editing text files

Redirect the text outpurt of a program to a file or another program
Edit existing text files and create a new files from the shell promp with a text ediror
Editing text files with gedit
Copy text between graphical windows.
Use the graphical vim editor
Use the vimtutor

5 . Managing local linux users and groups

Use of users and groups on a linux system and how they are understood by the computer
Run commands as the superuser to administer a linux system
Create,modify,delete and lock locally defines user accounts
Create,modify,delete and lock locally defines group accounts
Setting a password-aging policy in the shadow password file
Difference between su and su -
Use of bash configuration files

6 . Controlling access to files with linux file system permissions

How the linux file permissions model works
Change the permissions and ownership of files using command-line tools
Configure a directory in which newly created files are automatically writeable members of the group which owns the directory,using defaultspecial permissions and defaults umask settings

7 . Monitering and managing linux process

What is process?
Define the life cycle of a process
Define process states
View and interrupt process listings
What is job and job types
Terminate and control process using process signals
Manage system work load by utilzing load averages and process statics

8 . Controlling services and daemons

List system daemons and network services statrted by the systemd service and socket
Contol system daemons and services using systemctl

9 . Configuring and securing openssh service

Log into a remote system using ssh to run commands from a shell prompt
Set up ssh to allow secure password-free logins by using a private authentication key file
Cutomize sshd configuration to restirct direct logins as root or to disable password-based authentication

10 . Analyzing and storing logs

Describe the basic syslog architecture in redhat enterprise linux 7
Interpret entries in relevant syslog files to troubleshoot problems or review system status
Find and interpret log entries in the systemd journal to troubleshoot problems or review system status
Configure systemd-journald to store its journal on disk rather than in memory
Synchronzing linux systems with ntp servers for maintaining correct timestamps

11 . Managing RedHat Enterprise Linux Networking

Features of computer networking
Identifying interface names in linux system
Validating network configurations
Configuring networking with nmcli
Editing network configuration files
Configuring host names and name resolution

12 . Archiving and copying files between linux systems

Use tar to create a new compressed archive files and extract files from existing archive files
Copy files securly to or from a remote system running sshd
Securly synchronize the contents of a local file or directory with a remote copy

13 . Installing and updating software packages

Register systems with your Redhat account and entitle them to software updates for installed products
Explain what an RPM package is and how RPM packages are used to manage software on a redhat enterprise linux system
Find,install and update software package using the yum command
Enable and disable use of redhat or third party YUM repositories
Examine and install downloaded software packages files

14 . Accessing linux file systems

Identity the file system hierachy
Access the contents of the file systems
Use hard link and symlinks to make multiple names
Search for files on mounted file systems

15 . Using Virtualized systems

Use of RedHat virtualized paltforms
Installing RHEL as virtualization host system
Modifying virtual machine hardware resources
Use of virsh

16 . Comprehensive review

Practice and demonstrate knowledge and skills learned in RedHat System Administration 1

Outcome

This course is intended to develop the skills needed for basic administration and configuration of Red Hat Enterprise Linux. This course introduces key command-line concepts and enterprise-level tools, laying the foundation for the rapid deployment of Red Hat Enterprise Linux. It also introduces the basic administration skills needed for resolving configuration issues and integrating Red Hat Enterprise Linux systems with other existing environments. It lays the foundation for secure user and group administration, and develops skills that allow administrators to use available storage solutions more efficiently and securely. This is the first of a two course series that takes a computer professional knowing nothing about Linux to being a fully capable Linux administrator. Linux system administrator should be able to perform essential Linux administration tasks, including installation, establishing network connectivity, managing physical storage, and basic security administration.