RED HAT ENTERPRISE LINUX SYSTEMS ADMIN II – GTU134

Course Description

This GTU134 course is designed to follow an identical set of topics as the Red Hat® RH134, RH135 courses with the added benefit of very comprehensive lab exercises and detailed lecture material.

The Red Hat Enterprise Linux (RHEL) system administration topics covered in this course along with the GTU124 course cover the certification objects of the Red Hat Certified System Administrator (RHCSA) exam.

The topics covered include automating installation with Kickstart, intermediate and advanced level command line building blocks and tools, troubleshooting, network file sharing server configuration, connecting to a directory service, managing advanced security settings, maintenance tasks, and kernel tuning.

Red Hat® is a registered trademark of Red Hat, Inc. and its use by GuruTeam Ltd. Ireland, does not imply association or sponsorship by Red Hat, Inc.

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Duration

5 days

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Target Audience

IT professionals with a background in Linux.

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Course Prerequisites

Completion of or skills equal to the GTU124 Linux Systems Administration I course.

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Suggested Follow on Courses

There are a number of options of suitable follow-on courses, depending on your business needs. Please contact us for further details.

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Course Content

1. Automated installation with Kickstart

  1. Kickstart
  2. Anaconda: An Overview
  3. Anaconda: Booting the System
  4. Anaconda: Common Boot Options
  5. Anaconda: Loading Anaconda and Packages
  6. Anaconda: Storage Options
  7. Anaconda: Troubleshooting

Lab Tasks

  1. Linux Installation
  2. Automating Installation with Kickstart

2. Use regular expressions with grep

  1. Searching Inside Files
  2. The Streaming Editor
  3. Regular Expression Overview
  4. Regular Expressions
  5. RE Character Classes
  6. Regex Quantifiers
  7. RE Parenthesis

Lab Tasks

  1. Pattern Matching with Regular Expressions
  2. Extended Regular Expressions
  3. Using Regular Expressions With sed

3. Create and edit text files with Vim

  1. Text Editing
  2. vi and Vim
  3. Learning Vim
  4. Basic vi
  5. Intermediate vi

Lab Tasks

  1. Text Editing with Vim

4. Schedule future Linux 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

5. Manage priority of Linux processes

  1. Viewing Processes
  2. Managing Processes
  3. Tuning Process Scheduling

Lab Tasks

  1. Process Management Basics

6. Control access to files with access control lists (ACL)

  1. File and Directory Permissions
  2. File Access Control Lists
  3. Manipulating FACLs
  4. Viewing FACLs
  5. Backing Up FACLs

Lab Tasks

  1. 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. Connect to network-defined users and groups

  1. system-config-authentication
  2. System Security Services Daemon (SSSD)

Lab Tasks

  1. Using LDAP for Centralized User Accounts

9. Add disks, partitions, and file systems to a Linux system

  1. Partitioning Disks with fdisk & gdisk
  2. Resizing a GPT Partition with gdisk
  3. Partitioning Disks with parted
  4. Filesystem Creation
  5. Filesystem Maintenance
  6. Managing an XFS Filesystem
  7. Swap

Lab Tasks

  1. Creating and Managing Filesystems
  2. Hot Adding Swap

10. Manage logical volume management (LVM) storage

  1. Logical Volume Management
  2. Implementing LVM
  3. Creating Logical Volumes
  4. Activating LVM VGs
  5. Exporting and Importing a VG
  6. Examining LVM Components
  7. Changing LVM Components
  8. Advanced LVM Overview
  9. Advanced LVM Components
  10. Advanced LVM Striping & Mirroring
  11. Advanced LVM RAID Volumes
  12. gnome-disk-utility

Lab Tasks

  1. Creating and Managing LVM Volumes

11. Access networked attached storage with network file system (NFS)

  1. File Sharing via NFS
  2. NFSv4+
  3. NFS Clients
  4. NFS
  5. NFS Server Configuration

Lab Tasks

  1. NFS Server Configuration

12. Access networked attached storage with SMB

  1. Accessing Windows/Samba Shares from Linux
  2. AutoFS
  3. AutoFS Configuration

Lab Tasks

  1. Using autofs

13. Control and troubleshoot the Red Hat Enterprise Linux boot process

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

Lab Tasks

  1. Boot Process
  2. Booting directly to a bash shell
  3. GRUB Command Line
  4. Basic GRUB Security
  5. Managing Services With Systemd’s systemctl
  6. Troubleshooting Practice: Boot Process

14. Linux network communication with firewall

  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

15. Comprehensive review

  1. System Administration II

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

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