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Red Hat Enterprise Linux Systems Admin II (GL134)

This GL134 course is designed to follow an identical set of topics as the Red Hat® RH134 course with the added benefit of very comprehensive lab exercises and detailed lecture material.

5 days
£1,700.00 incl. VAT

Description

This GL134 course is designed to follow an identical set of topics as the Red Hat® RH134 course 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 GL124 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. This course does not imply association or sponsorship by Red Hat, Inc.

Audience Profile

IT professionals across a broad range of disciplines, who already completed course GL 124 or equivalent.

Prerequisites

Completion of or skills equal to the GL124 "Linux Systems Administration I" course.

What's included

  • Study Guide
  • Experienced Red Hat Linux Instructor
  • Remote access to a virtual lab
  • Certificate on Completion
  • Refreshments (Classroom training)

Course Outline

Module 1: AUTOMATED INSTALLATION WITH KICKSTART

Lessons:

  • Kickstart
  • Anaconda: An Overview
  • Anaconda: Booting the System
  • Anaconda: Common Boot Options
  • Anaconda: Loading Anaconda and Packages
  • Anaconda: Storage Options
  • Anaconda: Troubleshooting

Labs:

  • Linux Installation
  • Automating Installation with Kickstart

Module 2: USE REGULAR EXPRESSIONS WITH GREP

Lessons:

  • Searching Inside Files
  • The Streaming Editor
  • Regular Expression Overview
  • Regular Expression Implementations
  • Regular Expressions
  • RE Character Classes
  • Regex Quantifiers
  • RE Parenthesis

Labs:

  • Pattern Matching with Regular Expressions
  • Extended Regular Expressions
  • Using Regular Expressions With sed

Module 3: CREATE AND EDIT TEXT FILES WITH VIM

Lessons:

  • Text Editing
  • vi and Vim
  • Learning Vim
  • Basic vi
  • Intermediate vi

Labs:

  • Text Editing with Vim

Module 4: SCHEDULE FUTURE LINUX TASKS

Lessons:

  • Automating Tasks
  • at/batch
  • cron
  • The crontab Command
  • crontab Format
  • /etc/cron.*/ Directories
  • Anacron
  • Systemd Timers

Labs:

  • Text Editing with Nano
  • Creating and Managing User Cron Jobs
  • Adding System cron Jobs

Module 5: MANAGE PRIORITY OF LINUX PROCESSES

Lessons:

  • Viewing Processes
  • Managing Processes
  • Tuning Process Scheduling

Labs:

  • Process Management Basics

Module 6: CONTROL ACCESS TO FILES WITH ACCESS CONTROL LISTS (ACL)

Lessons:

  • File and Directory Permissions
  • File Access Control Lists
  • Manipulating FACLs
  • Viewing FACLs
  • Backing Up FACLs

Labs:

  • Using Filesystem ACLs

Module 7: MANAGE SELINUX SECURITY

Lessons:

  • SELinux Security Framework
  • SELinux Modes
  • SELinux Commands
  • Choosing an SELinux Policy
  • SELinux Booleans
  • Permissive Domains
  • SELinux Policy Tools
  • SELinux Troubleshooting

Labs:

  • Exploring SELinux Modes
  • SELinux File Contexts

Module 8: CONNECT TO NETWORK-DEFINED USERS AND GROUPS

Lessons:

  • RHEL DS Client Configuration
  • System Security Services Daemon (SSSD)

Labs:

  • Using LDAP for Centralized User Accounts

Module 9: ADD DISKS, PARTITIONS, AND FILE SYSTEMS TO A LINUX SYSTEM

Lessons:

  • Partitioning Disks with fdisk & gdisk
  • Resizing a GPT Partition with gdisk
  • Partitioning Disks with parted
  • Non-Interactive Disk Partitioning with sfdisk
  • Filesystem Creation
  • Filesystem Maintenance
  • Managing an XFS Filesystem
  • Swap

Labs:

  • Creating and Managing Filesystems
  • Hot Adding Swap

Module 10: MANAGE LOGICAL VOLUME MANAGEMENT (LVM) STORAGE

Lessons:

  • Logical Volume Management
  • Implementing LVM
  • Creating Logical Volumes
  • Activating LVM VGs
  • Exporting and Importing a VG
  • Examining LVM Components
  • Changing LVM Components
  • Advanced LVM Overview
  • Advanced LVM: Components & Object Tags
  • Advanced LVM: Automated Storage Tiering
  • Advanced LVM: Thin Provisioning
  • Advanced LVM: Striping & Mirroring
  • Advanced LVM: RAID Volumes

Labs:

  • Creating and Managing LVM Volumes

Module 11: ACCESS NETWORKED ATTACHED STORAGE WITH NETWORK FILE SYSTEM (NFS)

Lessons:

  • File Sharing via NFS
  • NFSv4+
  • NFS Clients
  • NFS
  • NFS Server Configuration

Labs:

  • NFS Server Configuration

Module 12: ACCESS NETWORKED ATTACHED STORAGE WITH SMB

Lessons:

  • Accessing Windows/Samba Shares from Linux
  • AutoFS
  • AutoFS Configuration

Labs:

  • Using autofs

Module 13: CONTROL AND TROUBLESHOOT THE RED HAT ENTERPRISE LINUX BOOT PROCESS

Lessons:

  • System Boot Method Overview
  • systemd System and Service Manager
  • Modifying systemd services
  • Systemd Service Sandboxing Features
  • systemd Targets
  • Using systemd
  • Legacy Support for SysV init
  • Booting Linux on PCs
  • GRUB 2
  • GRUB 2 Configuration
  • The Boot Loader Specification
  • GRUB 2 Security
  • Boot Parameters
  • Initial RAM Filesystem
  • init
  • Linux Runlevels Aliases
  • Systemd local-fs.target and sysinit.target
  • Systemd basic.target and multi-user.target
  • Legacy local bootup script support
  • System Configuration Files
  • RHEL8 Configuration Utilities
  • Shutdown and Reboot

Labs:

  • Boot Process
  • Booting directly to a bash shell
  • GRUB Command Line
  • Basic GRUB Security
  • Managing Services with Systemd's systemctl
  • Creating a systemd unit file
  • Troubleshooting Practice: Boot Process

Module 14: LINUX NETWORK COMMUNICATION WITH FIREWALL

Lessons:

  • Netfilter: Stateful Packet Filter Firewall
  • Netfilter Concepts
  • Using the iptables Command
  • Netfilter Rule Syntax
  • Targets
  • Common match_specs
  • Extended Packet Matching Modules
  • Connection Tracking
  • FirewallD

Labs:

  • Securing Services with Netfilter
  • FirewallD

 

Module 15: COMPREHENSIVE REVIEW

Lessons:

  • System Administration II

Labs:

  • Understand And Use Essential Tools
  • Operate Running Systems
  • Configure Local Storage and Filesystems
  • Users, Groups, and File Permissions
  • Maintenance and Recovery

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