Who should take this course

Course Objectives

After completing this boot camp, students will have the knowledge to:

• Managing users and groups, files, and file permissions
• Updating software packages with yum
• Managing and troubleshooting system services during the boot process
• Network configuration and basic troubleshooting
• Managing local storage and creating and using file systems
• Firewall management with firewalld
• Managing kernel‐based virtual machines (KVMs)
• Automating installation of Red Hat Enterprise Linux using Kickstart

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

• 11. Login and Discovery
• 12. 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

• 11. Navigating Directories and Listing Files
• 12. 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

• 7. 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

• 8. User and Group Administration
• 9. 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

• 6. 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

• 7. User Private Groups
• 8. 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

• 10. Exploring SELinux Modes
• 11. 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

• 9. 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

• 15. Managing Software with RPM
• 16. Querying the RPM Database
• 17. 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. GRUB 2 Security
• 11. Boot Parameters
• 12. Initial RAM Filesystem
• 13. init
• 14. Linux Runlevels Aliases
• 15. Systemd local-fs.target and sysinit.target
• 16. Systemd basic.target and multi-user.target
• 17. Legacy local bootup script support
• 18. System Configuration Files
• 19. RHEL7 Configuration Utilities
• 20. Shutdown and Reboot

Lab Tasks

• 21. Boot Process
• 22. GRUB Command Line
• 23. Basic GRUB Security
• 24. Managing Services With Systemd's systemctl
• 25. Creating a systemd unit file
• 26. 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

• 13. Network Discovery
• 14. Basic Client Networking
• 15. Introduction to Troubleshooting Labs
• 16. 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. gnome-system-log
• 6. Rsyslog
• 7. /etc/rsyslog.conf
• 8. Log Management
• 9. Log Anomaly Detector

Lab Tasks

• 10. Using the systemd Journal
• 11. Setting up a Full Debug Logfile
• 12. Remote Syslog Configuration
• 13. 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. Mounting Filesystems
• 7. Persistent Block Devices
• 8. Managing an XFS Filesystem
• 9. Filesystem Table (/etc/fstab)
• 10. Filesystem Creation
• 11. Filesystem Maintenance
• 12. Swap
• 13. Logical Volume Management
• 14. Implementing LVM
• 15. Creating Logical Volumes
• 16. Activating LVM VGs
• 17. Exporting and Importing a VG
• 18. Examining LVM Components
• 19. Changing LVM Components
• 20. Advanced LVM Overview
• 21. Advanced LVM: Components & Object Tags
• 22. Advanced LVM: Automated Storage Tiering
• 23. Advanced LVM: Thin Provisioning
• 24. Advanced LVM: Striping & Mirroring
• 25. Advanced LVM: RAID Volumes

Lab Tasks

• 26. Creating and Managing Filesystems
• 27. Hot Adding Swap
• 28. 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

• 8. Creating and Managing User Cron Jobs
• 9. 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

• 9. Using autofs
• 10. 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

• 10. Securing Services with Netfilter
• 11. 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

• 19. 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. 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

• 28. Help with Commands
• 29. Archiving and Compression
• 30. Pattern Matching with Regular Expressions
• 31. Extended Regular Expressions
• 32. Using Regular Expressions With sed
• 33. Text Editing with Vim

2. Create, view, and edit

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