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Red Hat Linux Certified System Admin – SA1

Prepare for RHCSA Exam and gain sufficient skill to perform core system administration tasks
Instructor:
Shikhar Verma
1,423 students enrolled
English [Auto-generated]
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

Course Description:

 

Linux Certified System Admin – SA1   

RHCSA – Certified Red Hat Enterprise Linux System Administrator

 

Course Outline

Introduction

  • Red Hat System Administration 1
  • Installation of Red Hat Enterprise Linux 7

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 OpenSSH 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

 

Introduction

1
Introduction
2
About RHCE Certification
3
The Bash Shell
4
Virtual Consoles
5
Accessing the command line using the Local Console
6
The GNOME 3 Desktop Environment
7
Quiz

Installation of RHEL 7

1
Links to Download RHEL ISO & VMware Software
2
RHEL 7 Installation Step -1
3
RHEL 7 Installation Step -2
4
Connect from putty

Managing Files From the Command Line

1
The Linux File System Hierarchy
2
The Linux File System Hierarchy - 2
3
Identifying Linux File types
4
Locating Files by Name - Absolute paths and relative paths
5
Lab - Practice Locating Files and Directories
6
Practice: Locating Files and Directories - Simple Commands
7
Managing Files Using Command-Line Tools
8
Lab Command-Line File Management -1
9
Lab Command-Line File Management -2
10
Pattern matching- file globbing
11
Lab on Pattern Matching

Getting Help in Red Hat Enterprise Linux

1
Man Page
2
Practice Lab Session
3
pinfo Command
4
Package documentation /usr/share/doc
5
Getting Help From RedHat & SoS Report
6
Quiz

Getting help in Red Hat Linux Enterprise

Standard Input, output & error redirections

1
Standard Input, output & error redirections
2
Redirectiing output
3
Redirecting Output with Examaples
4
Practice Lab session
5
Editing Files with Vim
6
Quiz

Standard Input, Output & Error

Managing Local Linux Users and Groups

1
Overview of User Administration
2
User & Group Creation
3
Overview of sudo
4
Aliases in sudoers file
5
Sudoers file
6
Basic examples of sudo
7
Practice Lab Session - 1
8
Practice Lab Session - 2
9
Practice Lab Session - 3
10
Understanding password aging policy
11
Lab on password aging policy
12
Quiz

User Administration & Sudo access

Controlling Access to Files with Linux FileSystem Permissions

1
Overview of Permissions in Linux
2
Understanding file permissions
3
Lab Sessions
4
Access Modes ( Absolute & Symbolic Mode)
5
Chmod & Chown
6
Lab Sessions
7
Special Permissions
8
SUID & SGUID
9
Lab Sessions
10
Sticky Bit - Special Permissions

Monitoring and Managing Linux Processes

1
Overview of a Process
2
Foreground & Background process
3
Stats of a process
4
Practice Lab Session 1
5
Practice Lab Session 2
6
Practice Lab Session 3
7
Kill Command to terminate a process
8
Quiz

Process Management

Overview of systemd -- Controlling Services & Daemons

1
Overview of RHEL 7

Please use the attached ppt for your reference and learning and make sure not to upload it anywhere

2
Features of systemd - 1
3
Features of Systemd - 2
4
Booting RHEL7 with systemd
5
RHEL7 vs RHEL6 - Part 1
6
RHEL7 vs RHEL6 - Part 2
7
RHEL7 vs RHEL6 - Part3
8
Lab session - 1
9
Lab Session - 2
10
Lab Session - 3
11
Quiz

Overview of RHEL7 & its features

Configuring and Securing OpenSSH Service

1
Accessing the Remote Command Line with SSH
2
OpenSSH Conf file (sshd_conf) -1

OpenSSH options are controlled through the /etc/ssh/sshd_config file.

3
OpenSSH Conf file (sshd_conf) -2
4
OpenSSH Conf file (sshd_conf) -3
5
Practice Lab Session - 1
6
Pratice Lab Session - 2
7
Quiz

Openssh

Archiving and Copying Files Between Systems

1
Managing compressed tar archives
2
Extract an archive created with tar
3
Lab Session on tar archive
4
scp - copying files between systems securely
5
Lab Session
6
Lab Session on sftp
7
rsync
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