RHCSA Exam Prep

Course Overview

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. ssh and sshd 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. system-config-authentication
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
9. SELinux Troubleshooting Continued

• 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 command
9. YUM package groups
10. Updating the Kernel RPM
11. Dealing With RPM & Yum Digest Changes
12. YUM Repositories
13. YUM Repository Groups
14. Yum Plugins & RHN Subscription Manager

• 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. systemd Targets
3. Using systemd
4. Legacy Support for SysV init
5. Booting Linux on PCs
6. GRUB 2
7. GRUB 2 Configuration
8. GRUB 2 Security
9. Boot Parameters
10. Initial RAM Filesystem
11. init
12. Linux Runlevels Aliases
13. Systemd local-fs.target and sysinit.target
14. Systemd basic.target and multi-user.target
15. Legacy local bootup script support
16. System Configuration Files
17. RHEL7 Configuration Utilities
18. Shutdown and Reboot

• Lab Tasks
  1. Boot Process
  2. GRUB Command Line
  3. Basic GRUB Security
  4. Managing Services With Systemd's systemctl
  5. Troubleshooting Practice: Boot Process

11.  Managing Red Hat Enterprise Linux networking

1. IPv4 Fundamentals
2. TCP/UDP Fundamentals
3. Linux Network Interfaces
4. Ethernet Hardware Tools
5. Network Configuration with ip Command
6. Starting and Stopping Interfaces
7. Configuring Routing Tables
8. IP to MAC Address Mapping with ARP
9. DNS Clients
10. DHCP Clients
11. Network Diagnostics
12. 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 journactl
4. Secure Logging with Journal's Log Sealing
5. gnome-system-log
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. Mounting Filesystems
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. Manipulating VGs & LVs
16. Advanced LVM Concepts
17. gnome-disk-utility

• 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

• 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. Connection Tracking
8. FirewallD

• Lab Tasks
  1. Securing Services with Netfilter
  2. FirewallD

17.  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
• A.  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. Communication Channels
  8. File Redirection
  9. Piping Commands Together
  10. The gedit Text Editor
  11. Archives with tar
  12. Archives with cpio
  13. The gzip Compression Utility
  14. The bzip2 Compression Utility
  15. The XZ Compression Utility
  16. The PKZIP Archiving/Compression format
  17. Searching Inside Files
  18. The Streaming Editor
  19. Regular Expression Overview
  20. Regular Expressions
  21. RE Character Classes
  22. Regex Quantifiers
  23. RE Parenthesis
  24. Text Editing
  25. Learning Vim
  26. Basic vi
  27. 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
• B.  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
• 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

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.

Course Comments

Also See RHCSA Rapid Track course