Red Hat 7 System Administration - Part 2

Course Code: RHSA2V7

Duration: 5 days

 
 

Red Hat 7 System Administration - Part 2 Course Overview

This highly practical instructor led Red Hat 7 System Administration - Part 2 training course is designed to give delegates practical experience in the administration of a Red Hat Enterprise Linux (RHEL) system. With a strong emphasis on practical hands on training using the command line, this course will teach further essential administrative tasks required to successfully administer a Red Hat Linux system.

The delegate will learn modern system administration techniques and commands to administer a Red Hat Linux system. The command line is demonstrated and used extensively throughout the course.

Exercises and examples are used throughout the course to give practical hands-on experience with the techniques covered.

Course Objectives

On completion of this Red Hat 7 System Administration - Part 2 course the delegate will have gained practical experience of the Linux commands, the GUI's and possess the technical knowledge to an intermediate level to perform System Administration tasks on a Red Hat Enterprise Linux (RHEL) system.

Who will the Course Benefit?

This Red Hat 7 System Administration - Part 2 course is suitable for anyone who has acquired basic administration skills to the level covered on the Red Hat 7 System Administration - Part 1 course. This will include novice System Administrators, Network Administrators, Programmers and other technical IT staff who need to acquire intermediate knowledge of the key administration tasks required to administer a Red Hat Linux system.

This course would also benefit experienced system administrators familiar with Unix and other Linux distributions who wish to gain knowledge to administer Red Hat Linux systems.

Skills Gained

The delegate will learn and acquire skills as follows:

  • Configure and use the vim text editor
  • Search and replace text using grep and regular expressions
  • Setting and modifying process priorities
  • Automate a system installation using Kickstart
  • Create and manage Linux users and groups
  • Understand and configure Access Control Lists (ACL's)
  • View and manage extended permissions
  • Connect to an LDAP server for checking identities
  • Create disk partitions, Volume Groups, Logical Volumes and layered storage
  • Extend and resize Volume Groups and Logical Volumes
  • Create and manage encrypted storage with LUKS
  • Create file and partition swap space
  • Configure and manage SSH
  • Configure the Red Hat firewall
  • Manage SELinux contexts and modify the policy
  • Configure an NFS and AutoFS server and client
  • Configure a Samba (CIFS) server and client
  • Create a software repository
  • List and install package module streams
  • Configure Red Hat Subscription Manager
  • Schedule automated tasks
  • Configure Apache and a secure FTP server
  • Tune the Red hat kernel and manage tuning profiles
  • Configure thin storage using Virtual Data Optimiser
  • Deploy and manage containers using Podman, Skopeo and Buildah
  • Troubleshoot and recover a lost root password
  • Manage the system using Cockpit

Red Hat 7 System Administration - Part 2 Training Course

Course Introduction

  • Administration and Course Materials
  • Course Structure and Agenda
  • Delegate and Trainer Introductions

Session 1: INTRODUCTION TO VIM

  • Introduction to text file editing using Vim
  • Vim basic Functions
  • The Language of Vim
  • Reading in and writing out to files
  • Executing commands within vim
  • Further Vim Functions
  • Vimdiff
  • The Vim Environment
  • The .viminfo file
  • Exercise

Session 2: SEARCHING TEXT AND USING REGULAR EXPRESSIONS

  • Searching and replacing text in Vim
  • Text pattern matching with Regular Expressions
  • Searching and replacing text with sed
  • Searching for text with grep and egrep
  • Exercise

Session 3: MANAGING PROCESS PRIORITIES

  • Managing processes and job control
  • Controlling process priorities
  • Foreground and background processing
  • Grouping commands
  • System journal
  • Exercise

Red Hat 7 System Administration - Part 2 Training Course

Session 4: INSTALLING RED HAT LINUX USING KICKSTART

  • Automating a RHEL installation
  • Pre and Post Kickstart processing
  • Creating a Kickstart file
  • Installing and using the Kickstart GUI
  • Creating the Linux Install Server
  • Using Kickstart with NFS, FTP and Apache
  • Exercise

Session 5: SYSTEM ACCESS CONTROLS

  • User Private Groups within Linux
  • Configuring user account defaults
  • User password management and considerations
  • Creating Access Control Lists (ACL's)
  • Creating default ACL's and masks
  • Customising the user profile
  • Extended file permissions
  • Connecting to an LDAP server
  • Exercise

Session 6: ADDING DISKS, PARTITIONS, LVM VOLUMES, FILESYSTEMS & STRATIS

  • Linux partitioning tools
  • Creating partitions and filesystems
  • Utilising filesystem labels and UUID's
  • Mounting filesystems
  • Creating Volume Groups and Logical Volumes
  • Configuring Stratis Layered Storage
  • Exercise

Red Hat 7 System Administration - Part 2 Training Course

Session 7: FUTHER MANAGEMENT OF LVM's

  • Extending and removing LVM Volumes
  • Creating LUKS encrypted partitions
  • Creating and managing swap files and partitions
  • Extending Stratis Storage
  • Exercise

Session 8: SYSTEM SECURITY

  • Encryption under OpenSSH
  • Configuring SSH client and server access
  • Managing services and ports with firewalld
  • Basic configuration using the GUI interface firewall-config
  • Exercise

Session 9: CONFIGURING AND MANAGING SELINUX

  • SELinux Overview
  • Viewing and analysing SELinux denials
  • Executing SELinux commands
  • Configuring temporary and permanent policy changes
  • Managing SELinux contexts, ports and Booleans
  • Creating policy modules
  • Exercise

Session 10: ACCESSING REMOTE SYSTEMS (NFS & SMB)

  • Configuring client access to an Network Filesystem Server (NFS)
  • Configuring an NFS server
  • Configuring an AutoFS (Automount) client
  • Configuring a Samba server (CIFS)
  • Adding a Samba user
  • Configuring SELinux for Samba
  • Configuring DNS client access
  • Exercise

Red Hat 7 System Administration - Part 2 Training Course

Session 11: FURTHER SOFTWARE MANAGEMENT

  • Listing and managing packages with yum/dnf
  • Creating local software repositories
  • Listing and installing packages with Module Streams
  • Configuring Red Hat Subscription Manager
  • Exercise

Session 12: SCHEDULING FUTURE TASKS

  • Using at to manage one-off tasks and scripts
  • Managing tasks with cron
  • Managing system crontab files
  • Restricting access to at and cron
  • Configuring tasks with anacron
  • Exercise

Session 13: DEPLOYING AN FTP AND WEB SERVER

  • Configuring an Apache web server
  • Managing Apache configuration directives
  • Configuring SELinux for Apache
  • Configuring a VSFTP server
  • Managing files on remote systems
  • Exercise

Session 14: TUNING THE KERNEL

  • Kernel architecture comparison
  • Viewing information on kernel modules
  • Loading and removing kernel modules
  • Modifying Kernel parameters
  • Updating and setting the default kernel
  • Creating and managing Tuned profiles
  • Exercise

Red Hat 7 System Administration - Part 2 Training Course

Session 15: VIRTUAL DATA OPTIMISER

  • VDO and thin storage Overview
  • Installing VDO
  • Creating and monitoring VDO volumes
  • Using LVM with VDO volumes
  • Increasing volume sizes
  • Exercise

Session 16: DEPLOY CONTAINERS USING PODMAN

  • Red Hat container methods
  • Containers vs virtualization
  • Docker Overview
  • Installing and managing containers with Podman
  • Attaching storage volumes and running containers as a service
  • Using Skopeo
  • Creating images with Buildah
  • Exercise

Session 17: TROUBLESHOOTING

  • Understanding the Linux boot process
  • Rescue Environment
  • systemd daemon
  • Troubleshooting Linux theory and labs
  • Booting into Single User Mode
  • Recovery from lost root password
  • Recovering from a damaged boot loader
  • Exercise
Notes:
  • Course technical content is subject to change without notice.
  • Course content is structured as sessions, this does not strictly map to course timings. Concepts, content and practicals often span sessions.

Examinations

This training course will teach some of the skills required to enable the delegate to work towards achieving the following exam:

  • Red Hat Certified Systems Administrator (RHCSA): EX200

Please note, Red Hat certification is only available for RHEL 8 and all exams are performed on RHEL 8.

Attending this course will help delegates gain many of the skills and product knowledge requirements as outlined in the exam objectives. Studying these courses and their associated reference materials can form part of the preparation to achieve certification. Experience, practice, self-study and aptitude are also key requirements for exam success.

Before taking any exam, ensure you have the recommended experience. The Red Hat website lists all exam requirements and these are updated regularly.

Exams are not included as part of the course.

Requirements

The course assumes knowledge of the Red Hat Linux operating system to the level covered in the Administering Red Hat Linux 7 - Part 1 course.

Pre-Requisite Courses

Course Reviews

Fantastic course - very details and delivered professionally. I would recommend this course and trainer to my Organisation. Training style was outstanding.

Judge - Oracle DBA - Manufacturing


Great pace and content of course, superb instruction and knowledgeable throughout every section of the course. My engineers will be attending and I’ll recommend to the other teams.

Jamie - BPDTS Build & Automation Lead - Government


Our instructor is very "excellent" in teaching the subject matter. I am new to the information, but, was able to follow along and grasp a clear understanding of the topic. I look forward to taking more classes in the future. The class is "outstanding" and I feel that other IT and Cyber Security professionals will benefit. Thank you.

Derrick - Cyber Security Professional - Defence


Brilliantly presented as usual, the trainer is excellent at what he does and the facilities at StayAhead are fantastic!

Nicholas - Government


This was as good as Part 1 of the course was - I thoroughly enjoyed both courses. The trainer was once again superb - good real world advise as we progressed through the topics. The course was particularly timely as I have been struggling with a tricky RHEL7 system, the coursework and explanations really helped me understand how I needed to approach and resolve the issues. Will recommend this course to all interested parties, and once again, many thanks to the trainer for making what could be a bit of a dry old topic come alive and hold our interest. Thanks.

Martyn - Server Engineer - Manufacturing


Excellent trainer, whose knowledge was vast and he was fully engaging throughout the whole course. He constantly checked my understanding of what he was teaching and was willing to make any clarifications. The course notes were very good and will be a useful resource allowing me to revisit them when needed. Another very good Stayahead course, well done and thank you.

Peter - Transport


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