Red Hat 9 System Administration - Part 2
Course Code: RHSA2V9
Duration: 5 days
Red Hat 9 System Administration - Part 2 Course Overview
This highly practical instructor led Red Hat 9 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.
Similarly, the course is targeted to closely follow the official Red Hat curriculum for certification.
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 9 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 9 System Administration - Part 2 course is suitable for anyone who has acquired basic administration skills to the level covered on the Red Hat 9 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
- Understand Systemd Timers
- Automate a system installation using Kickstart
- Manage the system using Cockpit
- Create and manage Linux users and groups
- Create and modify 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
- View and manage SELinux denials
- Modify SELinux contexts, booleans and policy modules
- 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
- Update and tune the Red hat kernel
- Manage and create kernel tuning profiles
- Create simple shell scripts using loops and positional parameters
- Deploy and manage containers using Podman, Skopeo and Buildah
- Perform the required steps to troubleshoot a RHEL system
Red Hat 9 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
- Finding file differences
- Customising 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
- Quering and configuring the System journal
- Listing and viewing Systemd Timers
- Exercise
Red Hat 9 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
- 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: FILESYSTEM MANAGEMENT WITH LVM AND STRATIS
- An overview of the Linux partitioning tools
- Creating partitions and filesystems
- Permanent and ad-hoc mounting of filesystems
- Filesystem options, Labels and UUID’s
- An overview of Logical Volume Management
- Creating Physical Volume Groups and Logical Volumes
- Configuring Stratis Layered Storage
- Exercise
Red Hat 9 System Administration - Part 2 Training Course
Session 7: FUTHER MANAGEMENT OF LVM's
- Extending and removing Volume Groups and Logical 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 Domains
- Viewing and analysing SELinux denials
- Executing SELinux commands
- Configuring temporary and permanent policy changes
- Managing SELinux contexts, ports and Booleans
- Relabelling files on boot
- Creating policy modules
- Exercise
Session 10: CONFIGURING NFS AND SAMBA
- 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 9 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 and multiple domains
- 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
- Creating and managing Tuned profiles
- Exercise
Red Hat 9 System Administration - Part 2 Training Course
Session 15: SHELL SCRIPTING
- Naming and executing scripts
- User interaction within scripts
- Positional parameters
- Conditional statements for integers, strings and files
- Loops
- 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
- 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 course together with Red Hat 9 System Administration - Part 1 course is an excellent choice for delegates preparing to take the following exam:
- Red Hat Certified Systems Administrator (RHCSA): EX200
This course together with Red Hat 9 System Administration - Part 1 and Red Hat 9 System Administration - Part 3: Linux Automation with Ansible courses are an excellent choice for delegates preparing to take the following exam:
- Red Hat Certified Engineer (RHCE): EX294
Attending these courses and studying the 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 on the Red Hat 9 System Administration - Part 1 course.
Where Red Hat 9 courses are listed in the Pre-Requisite Courses section equivalent Red Hat 7 or Red Hat 8 courses would also suffice.
Pre-Requisite Courses
Further Learning
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