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Gurulabs content >> GL199 RHCSA Exam Prep

GL199 - RHCSA Exam Prep

 

Students seeking training to prepare themselves for the RHCSA certification should attend this course. This course is taught in a rapid pace format designed to help quickly identify and fill gaps in system administration knowledge. Focus includes managing users and groups, software, printers, and local storage. It also includes an introduction to security, virtualization, and the deployment of common network services.

Red Hat® is a registered trademark of Red Hat, Inc. and its use by Guru Labs, L.C. does not imply association or sponsorship by Red Hat, Inc.

Prerequisites:

Students should already have experience administering Linux systems and must be comfortable navigating the filesystem, editing files, and running common commands from the shell.

Supported Distributions:
Red Hat Enterprise Linux 8
Recommended Class Length:
5 days
Detailed Course Outline:
  1. ACCESSING THE COMMAND LINE
    1. Components of a Distribution
    2. Red Hat Linux Products
    3. Logging In
    4. Running Programs
    5. Interacting with Command Line
    6. Desktop Environments
    7. GNOME
    8. got root?
    9. Switching User Contexts
    10. sudo
    LAB TASKS
    1. Login and Discovery
    2. Switching Users With su
  2. MANAGING FILES FROM THE COMMAND LINE
    1. Managing Files Graphically
    2. Drag and drop with Nautilus
    3. Physical Unix File Structure
    4. Unix/Linux Filesystem Features
    5. Navigating the Filesystem
    6. Displaying Directory Contents
    7. Directory Manipulation
    8. File Manipulation
    9. Deleting and Creating Files
    10. Filesystem Links
    LAB TASKS
    1. Navigating Directories and Listing Files
    2. Manipulating Files and Directories
  3. CONFIGURE AND SECURE OPENSSH SERVICE
    1. Secure Shell
    2. OpenSSH Client & Server Configuration
    3. Accessing Remote Shells
    4. Transferring Files
    5. Alternative sftp Clients
    6. SSH Key Management
    LAB TASKS
    1. Introduction to ssh and scp
  4. MANAGING LOCAL LINUX USERS AND GROUPS
    1. User and Group Concepts
    2. User Administration
    3. Modifying Accounts
    4. Password Aging
    5. Group Administration
    6. RHEL DS Client Configuration
    7. System Security Services Daemon (SSSD)
    LAB TASKS
    1. User and Group Administration
    2. Using LDAP for Centralized User Accounts
  5. CONTROLLING ACCESS TO FILES WITH LINUX FILE SYSTEM PERMISSIONS
    1. File Ownership
    2. File and Directory Permissions
    3. SUID and SGID on files
    4. SGID and Sticky Bit on Directories
    5. Changing File Permissions
    LAB TASKS
    1. File and Directory Ownership and Permissions
  6. CONTROL ACCESS TO FILES WITH FACLS
    1. User Private Group Scheme
    2. Alternatives to UPG
    3. File Access Control Lists
    4. Manipulating FACLs
    5. Viewing FACLs
    6. Backing Up FACLs
    LAB TASKS
    1. User Private Groups
    2. Using Filesystem ACLs
  7. MANAGE SELINUX SECURITY
    1. SELinux Security Framework
    2. SELinux Modes
    3. SELinux Commands
    4. Choosing an SELinux Policy
    5. SELinux Booleans
    6. Permissive Domains
    7. SELinux Policy Tools
    8. SELinux Troubleshooting
    LAB TASKS
    1. Exploring SELinux Modes
    2. SELinux File Contexts
  8. MONITOR AND MANAGE LINUX PROCESSES
    1. What is a Process?
    2. Process States
    3. Viewing Processes
    4. Managing Processes
    5. Tuning Process Scheduling
    6. System Status – CPU
    7. System Status – I/O
    8. System Status – Memory
    LAB TASKS
    1. Process Management Basics
  9. INSTALLING AND UPDATING SOFTWARE PACKAGES
    1. Managing Software
    2. RPM Features
    3. RPM Architecture
    4. RPM Package Files
    5. Working With RPMs
    6. Querying and Verifying with RPM
    7. Managing Software Dependencies
    8. Using the Yum & DNF commands
    9. Yum package groups
    10. Updating the Kernel RPM
    11. Dealing With RPM & Yum Digest Changes
    12. DNF Repositories
    13. DNF Repository Groups
    14. DNF Plugins & RHSM Subscription Manager
    15. DNF Version Lock Plugin
    LAB TASKS
    1. Managing Software with RPM
    2. Querying the RPM Database
    3. Using Yum
  10. CONTROLLING SERVICES AND DAEMONS
    1. systemd System and Service Manager
    2. Modifying systemd services
    3. Systemd Service Sandboxing Features
    4. systemd Targets
    5. Using systemd
    6. Legacy Support for SysV init
    7. Booting Linux on PCs
    8. GRUB 2
    9. GRUB 2 Configuration
    10. The Boot Loader Specification
    11. GRUB 2 Security
    12. Boot Parameters
    13. Initial RAM Filesystem
    14. init
    15. Linux Runlevels Aliases
    16. Systemd local-fs.target and sysinit.target
    17. Systemd basic.target and multi-user.target
    18. Legacy local bootup script support
    19. System Configuration Files
    20. RHEL8 Configuration Utilities
    21. Shutdown and Reboot
    LAB TASKS
    1. Boot Process
    2. GRUB Command Line
    3. Basic GRUB Security
    4. Managing Services With Systemd's systemctl
    5. Creating a systemd unit file
    6. Troubleshooting Practice: Boot Process
  11. MANAGING RED HAT ENTERPRISE LINUX NETWORKING
    1. IPv4 Fundamentals
    2. TCP/UDP Fundamentals
    3. IPv6
    4. Linux Network Interfaces
    5. Ethernet Hardware Tools
    6. Network Configuration with ip Command
    7. Starting and Stopping Interfaces
    8. Configuring Routing Tables
    9. IP to MAC Address Mapping with ARP
    10. DNS Clients
    11. DHCP Clients
    12. Network Diagnostics
    13. NetworkManager
    LAB TASKS
    1. Network Discovery
    2. Basic Client Networking
    3. Introduction to Troubleshooting Labs
    4. Troubleshooting Practice: Networking
  12. ANALYZING AND STORING LOGS
    1. System Logging
    2. systemd Journal
    3. systemd Journal's journalctl
    4. Secure Logging with Journal's Log Sealing
    5. Cockpit - Logs
    6. Rsyslog
    7. /etc/rsyslog.conf
    8. Log Management
    9. Log Anomaly Detector
    LAB TASKS
    1. Using the systemd Journal
    2. Setting up a Full Debug Logfile
    3. Remote Syslog Configuration
    4. Remote Rsyslog TLS Configuration
  13. MANAGING STORAGE AND FILE SYSTEMS
    1. Partitioning Disks with fdisk & gdisk
    2. Resizing a GPT Partition with gdisk
    3. Partitioning Disks with parted
    4. Non-Interactive Disk Partitioning with sfdisk
    5. Mounting Filesystems
    6. Persistent Block Devices
    7. Managing an XFS Filesystem
    8. Filesystem Table (/etc/fstab)
    9. Filesystem Creation
    10. Filesystem Maintenance
    11. Swap
    12. Logical Volume Management
    13. Implementing LVM
    14. Creating Logical Volumes
    15. Activating LVM VGs
    16. Exporting and Importing a VG
    17. Examining LVM Components
    18. Changing LVM Components
    19. Advanced LVM Overview
    20. Advanced LVM: Components & Object Tags
    21. Advanced LVM: Automated Storage Tiering
    22. Advanced LVM: Thin Provisioning
    23. Advanced LVM: Striping & Mirroring
    24. Advanced LVM: RAID Volumes
    LAB TASKS
    1. Creating and Managing Filesystems
    2. Hot Adding Swap
    3. Creating and Managing LVM Volumes
  14. SCHEDULING SYSTEM TASKS
    1. Automating Tasks
    2. at/batch
    3. cron
    4. The crontab Command
    5. crontab Format
    6. /etc/cron.*/ Directories
    7. Anacron
    8. Systemd Timers
    LAB TASKS
    1. Creating and Managing User Cron Jobs
    2. Adding System cron Jobs
  15. MOUNTING NETWORK FILE SYSTEMS
    1. File Sharing via NFS
    2. NFSv4+
    3. NFS Clients
    4. NFS
    5. NFS Server Configuration
    6. Accessing Windows/Samba Shares from Linux
    7. AutoFS
    8. AutoFS Configuration
    LAB TASKS
    1. Using autofs
    2. NFS Server Configuration
  16. LIMITING NETWORK COMMUNICATION WITH FIREWALLD
    1. Netfilter: Stateful Packet Filter Firewall
    2. Netfilter Concepts
    3. Using the iptables Command
    4. Netfilter Rule Syntax
    5. Targets
    6. Common match_specs
    7. Extended Packet Matching Modules
    8. Connection Tracking
    9. FirewallD
    LAB TASKS
    1. Securing Services with Netfilter
    2. FirewallD
  17. CONTAINER TECHNOLOGY OVERVIEW
    1. Container Fundamentals
    2. Daemonless Containers
    3. Podman
    4. Podman Configuration
    5. Podman Images
    6. Podman Volumes
    7. Podman Networking
    8. Rootless Podman
    9. Podman and Pods
    10. Building Images with Buildah
    11. Managing Images with Skopeo
    LAB TASKS
    1. Podman
    2. Podman Networking
    3. Podman and Pods
    4. Podman Container at Boot
  18. VIRTUALIZATION AND KICKSTART
    1. Introducing libvirt
    2. libvirt: Basic Concepts
    3. libvirt: Storage Architecture
    4. libvirt: Network Architecture
    5. libvirt: Graphical Tools
    6. libvirt: Command Line Tools
    7. virsh: Basics
    8. virsh: Common Tasks
    9. virt-install
    10. Virtual Machine Guest Tools & Drivers
    11. libguestfs and guestfish
    12. Kickstart
    13. Anaconda: An Overview
    14. Anaconda: Booting the System
    15. Anaconda: Common Boot Options
    16. Anaconda: Loading Anaconda and Packages
    17. Anaconda: Storage Options
    18. Anaconda: Troubleshooting
    LAB TASKS
    1. Installing a Virtual Machine
  1. UNDERSTAND AND USE ESSENTIAL TOOLS
    1. Use of Appendix
    2. Red Hat Online Documentation
    3. Getting Help Within the Graphical Desktop
    4. Gathering System Info
    5. Help from Commands and Documentation
    6. Getting Help with man & info
    7. $MANPATH, whatis and apropos
    8. Communication Channels
    9. File Redirection
    10. Piping Commands Together
    11. The gedit Text Editor
    12. Archives with tar
    13. Archives with cpio
    14. The gzip Compression Utility
    15. The bzip2 Compression Utility
    16. The XZ Compression Utility
    17. The PKZIP Archiving/Compression format
    18. Searching Inside Files
    19. The Streaming Editor
    20. Regular Expression Overview
    21. Regular Expression Implementations
    22. Regular Expressions
    23. RE Character Classes
    24. Regex Quantifiers
    25. RE Parenthesis
    26. Text Editing
    27. Learning Vim
    28. Basic vi
    29. Intermediate vi
    LAB TASKS
    1. Help with Commands
    2. Archiving and Compression
    3. Pattern Matching with Regular Expressions
    4. Extended Regular Expressions
    5. Using Regular Expressions With sed
    6. Text Editing with Vim
  2. CREATE, VIEW, AND EDIT TEXT FILES
    1. Producing File Statistics
    2. Replacing Text Characters
    3. Text Sorting
    4. Duplicate Removal Utility
    5. Extracting Columns of Text
    6. Combining Files and Merging Text
    7. Comparing File Changes
  3. COMPREHENSIVE REVIEW LAB LAB TASKS
    1. Understand And Use Essential Tools
    2. Operate Running Systems
    3. Configure Local Storage and Filesystems
    4. Users, Groups, and File Permissions
    5. Maintenance and Recovery