RHEL Training Overview
This Red Hat Enterprise Linux 9 (RHEL 9) System Administration II training course teaches attendees the commands and methods needed to set up and manage a RHEL 9 system using a problem-solving approach with advanced topics for long-term management.
This course is comparable to Red Hat course 134. Along with Accelebrate's Red Hat Enterprise Linux 9 (RHEL 9) System Administration I class, this course is preparation for the RHCSA 9 certification examination.
Location and Pricing
Accelebrate offers instructor-led enterprise training for groups of 3 or more online or at your site. Most Accelebrate classes can be flexibly scheduled for your group, including delivery in half-day segments across a week or set of weeks. To receive a customized proposal and price quote for private corporate training on-site or online, please contact us.
In addition, some courses are available as live, instructor-led training from one of our partners.
Objectives
- Install, update, and boot the RHEL 9 operating system
- Set up user accounts and directories
- Perform backups for integrity and performance
- Monitor the system for performance and do basic setup of network software and capabilities
Prerequisites
Students should have taken Accelebrate's RHEL 9 System Administration I course, or have the equivalent experience.
Outline
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Introduction
Improve Command Line Productivity
- Vim editor
- Invoking vim
- .vimrc file
- Key vim features
- Advanced vim features
- Gvim
- Using command aliases and shell scripts
Using Regular Expressions with grep
Schedule Future Tasks
- Submitting a batch job with at
- Batch job logging with at
- Submitting a batch job with crontab
- Crontab file entry layout
- Uses of crontab entries
- System level periodic processing via crond
- Periodic processing via a systemd timer
Control Access to Files with ACLs
- Special file attributes (SUID, SGID, STICKY)
- Special directory attributes (SGID, STICKY)
- Access Control Lists (ACLs)
- Default directory access control lists (dACLs)
Install Red Hat Enterprise Linux 9 (with kickstart)
- Building a kickstart File
- Initiating Installation via a kickstart File
- Upgrading Red Hat Enterprise Linux 9
- KVM virtual machine requirements
- KVM virtual machine creation
Control the Boot Process
- RHEL 9 system initialization sequence
- Grand Unified Boot Loader (GRUB 2)
- Grand Unified Boot Loader (GRUB 2) - components
- Grand Unified Boot Loader (GRUB 2) - variables
- Grand Unified Boot Loader (GRUB 2) - menuentries
- RHEL 9 server single user mode
- RHEL reset forgotten root password
- kernel boot parameters
- shutdown
- install rescue mode
Maintain Basic Storage
- Disk device and partition operations
- Disk device information
- MBR partition table concepts
- GPT partition table concepts
- Red Hat Enterprise Linux 9 system (boot) disk
- MBR partition operations
- GPT partition operations
- File system operations
- Red Hat Enterprise Linux 9 ext* file system layout
- Ext4 filesystem
- Superblock backup areas
- Red Hat Enterprise Linux 9 xfs file system layout
- Xfs filesystem
- Unmounting filesystems
- Swapping and paging spaces
- Encrypted filesystems
- Changes to /tmp
Manage Logical Volumes
- Logical volume management concepts
- Logical volume management utilities
- Using the logical volume manager
- Physical volumes
- Volume groups
- Logical volumes
- Logical volume mirroring
- Logical volume backup
- Using logical volumes as swap space
Implement Advanced Storage Features
- Stratis volume management concepts
- Using Stratis as a volume managing filesystem
- Stratis volume management commands
- Using Stratis
- VDO volume management concepts
- Using VDO for volume compression
- VDO volume management commands
- Using VDO
Manage Network Security
- Service-specific access control
- Firewalld components
- Firewall interface - firewall-cmd
- Firewall interface - cockpit
- Iptables firewall
Access Network-Attached Storage
- Network File System concepts
- Network File System configuration
- Setting up the Network File System
- Starting up the Network File System
- Using the Network File System
- Automounter - direct / indirect maps
Manage SELinux Security
- SELinux concepts
- SELinux files and utilities
Tune System Performance
- Overview of performance management
- Utilities for performance monitoring
- Changing system and kernel parameters
- Using tuned to define performance profiles
Running Containers
- Download an existing container
- Start, run and stop a container using podman
- Run a service inside a container
- Attach persistent storage to a container
Conclusion
Training Materials
All Red Hat Linux training attendees receive comprehensive courseware.
Software Requirements
Attendees will not need to install any software on their computer for this class. The class will be conducted in a remote environment that Accelebrate will provide; students will only need a local computer with a web browser and a stable Internet connection. Any recent version of Microsoft Edge, Mozilla Firefox, or Google Chrome will be fine.
