🚀 Master Red Hat Enterprise Linux 9 – The Complete Guide! 🚀
Are you deploying RHEL 9 for the first time? Or migrating from a previous version?
This book is your ultimate guide to mastering RHEL 9, packed with real-world examples, step-by-step instructions, and best practices.
📖 “Red Hat Enterprise Linux 9 for SysAdmins” provides everything you need to install, configure, secure, and optimize RHEL 9, whether you’re working on-prem, in the cloud, or in a hybrid environment.
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Why RHEL 9?
RHEL 9 is the go-to enterprise operating system for modern workloads. It includes:
✅ Seamless hybrid cloud deployment (AWS, Azure, Google Cloud)
✅ Enhanced security & compliance (SELinux, FIPS, OpenSSH hardening)
✅ Built-in container support (Podman, Rootless Containers)
✅ Optimized performance & automation (Ansible, Kickstart, system tuning)
✅ Integrated AI & ML capabilities (IBM Granite models, RHEL AI tools)
What’s Inside the Book?
1 Installation & System Setup
- Step-by-step installation guides for bare metal, virtualized, and cloud environments
- Automated deployments using PXE boot, Kickstart, and Anaconda
- Best practices for disk partitioning (XFS, Ext4, LVM)
2 RHEL 9 for Hybrid Cloud & Enterprise Use
- Pre-built RHEL images for AWS, Azure, and Google Cloud
- Managing RHEL systems with Red Hat Hybrid Cloud Console
- Setting up network interfaces, firewall rules (firewalld), and time zones
3 System Hardening & Security
- Best practices for SELinux, AppArmor, and OpenSSH hardening
- Implementing TLS, SSL, VPN, and encrypted connections
- Advanced user authentication (OpenID, LDAP, and cloud identity providers)
4 Performance Optimization & Observability
- DNF package management – keeping RHEL up to date & secure
- Monitoring & logging with Prometheus and Hybrid Cloud Console
- Proactive system alerts to avoid downtime
5 Virtualization & Containerization
- Running VMs with KVM – setting up and managing guest OS
- Podman over Docker – Rootless containers & security benefits
- Automating deployments with Ansible & OpenShift integration
6 High Availability & DevOps Integration
- Setting up RHEL HA Clusters with Pacemaker
- Managing CI/CD pipelines, DevOps tools, and OpenJDK
- System recipes for deploying LAMP stacks, databases, proxies, and more!
💡 This book is packed with practical examples and best practices for system administrators and DevOps professionals.
Table of Contents
- Recipe #1: Create a bootable USB stick for RHEL 9
- Recipe #2: Choosing between the installation options for RHEL 9
- Recipe #4: Conduct an automated installation of RHEL 9 using Kickstart
- Recipe #5: Install RHEL 9 with Kickstart
- Recipe #6: Deploy a RHEL 9 Virtual Machine on Amazon Web Services (AWS)
- Recipe #7: Deploy a RHEL 9 virtual machine on Microsoft Azure
- Recipe #8: Deploy a RHEL 9 virtual machine on Google Cloud Platform
- Recipe #9: Manage your RHEL 9 systems with the
- Recipe #10: Migrate your current Red Hat
- Recipe #11: Upgrade from a previous version of RHEL
- Recipe #12: Manage user accounts and access permissions
- Recipe #16: Enable and disable system services
- Recipe #17: Get a no-cost RHEL for Developers subscription for testing
- Recipe #18: Register your RHEL 9 system to receive software updates
- Recipe #19: Install the sos utility and generate a system report
- Recipe #20: Clean the sos report to remove sensitive or private data
- Recipe #21: Sending the sos report to Red Hat
- Recipe #25: Manage RHEL 9 software packages
- Recipe #26: Automate software updates with DNF Automatic
- Recipe #27: Running an application using GNOME
- Recipe #28: Manage and install applications with
- Recipe #29: Managing storage in GNOME
- Recipe #31: Customizing the GNOME environment
- Recipe #32: Install and manage a basic LAMP stack
- Recipe #34: Install and manage HAProxy
- Recipe #35: Install and manage Varnish Cache
- Recipe #37: Install and manage MySQL
- Recipe #38: Install and manage PostgreSQL
- Recipe #39: Install and manage MariaDB
- Recipe #40: Install and manage MongoDB Community Edition
- Recipe #41: Install and manage CockroachDB
- Recipe #42: Install and manage Neo4j
- Recipe #43: Install and manage Cassandra
- Recipe #44: Install and manage Microsoft SQL Server
- Recipe #45: Install and manage the virtualization hypervisor packages
- Recipe #46: Install a Linux guest virtual machine
- Recipe #47: Install a Windows guest virtual machine
- Recipe #48: Starting the virtual machine from the console
- Recipe #49: View information of deployed virtual machines
- Recipe #50: Shut down and delete the virtual machine from the console
- Recipe #51: Install the container tools
- Recipe #52: Build a rootless container environment
- Recipe #53: Manage the container registry
- Recipe #54: Manage the containers with podman
- Recipe #55: Monitor the container environment
- Recipe #56: Manage the container network
- Recipe #61: Set up an IP tunnel
- Recipe #62: Do basic disk administration with parted and fdisk
- Recipe #63: Create logical storage devices with LVM
- Recipe #64: Manage a remote iSCSI storage
- Recipe #66: Set up an NFS service
- Recipe #67: Install OpenJDK JRE
- Recipe #68: Install .NET and publish .NET 6.0 applications
- Recipe #73: Create a high availability cluster
- Recipe #76: Manage cluster resources and cluster nodes
- Recipe #77: Check available security advisories from the console
- Recipe #78: Identify available security updates not yet installed in RHEL
- Recipe #80: Set up RHEL to install security updates automatically
- Recipe #81: Implement secure disk partitions
- Recipe #84: Set up RHEL in Federal Information Processing Standard mode
- Recipe #85: Implement and manage SELinux in RHEL
- Recipe #86: Implement OpenSSH for secure communications
- Recipe #88: Implement SSL and TLS
- Recipe #89: Set up a VPN with IPSec
- Recipe #90: Secure NFS services
- Recipe #91: Set the baseline requirement for capacity
- Recipe #92: Set up performance monitoring with sysstat
- Recipe #93: Install Prometheus metrics and performance monitoring
- Recipe #94: Plot and analyze monitoring data with Orca
- Recipe #95: Set performance thresholds and alerting
- Recipe #99: Monitor user login activity
- Recipe #100: Monitor software installation and updates
- Recipe #101: Installing RHEL AI
- Recipe #102: Setting up the environment
- Recipe #103: Advanced RHEL AI Features
- Recipe #104: Developing custom AI applications
- Recipe #105: Monitoring and maintenance
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Final Thoughts
If you’re serious about learning or upgrading to RHEL 9, this book will save you time, reduce errors, and give you the confidence to manage RHEL 9 in production.
💬 Have you migrated to RHEL 9 yet? Let’s discuss in the comments! 👇
🚀 Let’s automate more!