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GL134 - Red Hat Enterprise Linux Systems Admin II

This GL134 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 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.

Current Version: A01

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:

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

Supported Distributions:

Red Hat Enterprise Linux 6

Course Outline:

  1. Automated Installations of Red Hat Enterprise Linux

    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

  2. Lab Tasks

    1. Automating Installation with Kickstart

  3. Accessing the Command Line

    1. Logging In

    2. Secure Shell

    3. ssh and sshd Configuration

    4. Accessing Remote Shells

    5. Transferring Files

    6. Alternative sftp Clients

    7. Switching User Contexts

    8. sudo

    9. Gathering Login Session Info

  4. Lab Tasks

    1. Login and Discovery

    2. Switching Users With su

    3. Introduction to ssh and scp

  5. Intermediate Command Line Tools

    1. Filesystem Links

    2. Archives with tar

    3. Archives with cpio

    4. The gzip Compression Utility

    5. The bzip2 Compression Utility

    6. The XZ Compression Utility

    7. The PKZIP Archiving/Compression format

    8. Text Editing

    9. vi and Vim

    10. Learning vi

    11. Basic vi

    12. Intermediate vi

  6. Lab Tasks

    1. Archiving and Compression

    2. Text Editing with Vim

  7. Regular Expressions, Pipelines, and I/O Redirection

    1. Searching Inside Files

    2. Regular Expression Overview

    3. Regular Expressions

    4. RE Quantifiers

    5. RE Parenthesis

    6. Communication Channels

    7. File Redirection

    8. Piping Commands Together

  8. Lab Tasks

    1. Pattern Matching with Regular Expressions

    2. Extended Regular Expressions

    3. Using Regular Expressions With sed

    4. Text Processing

  9. Network Configuration and Troubleshooting

    1. IPv4 Fundamentals

    2. TCP/UDP Fundamentals

    3. Linux Network Interfaces

    4. Ethernet Hardware Tools

    5. Network Configuration with ip Command

    6. Configuring Routing Tables

    7. IP to MAC Address Mapping with ARP

    8. Starting and Stopping Interfaces

    9. NetworkManager

    10. DNS Clients

    11. DHCP Clients

    12. system-config-network-{tui,cmd}

    13. Network Diagnostics

  10. Lab Tasks

    1. Network Discovery

    2. Basic Client Networking

    3. Troubleshooting Practice: Networking

  11. Managing Simple Partitions and Filesystems

    1. Partitioning Disks with fdisk

    2. Partitioning Disks with parted

    3. Filesystem Creation

    4. Filesystem Maintenance

    5. Linux Unified Key Setup (LUKS)

    6. Swap

  12. Lab Tasks

    1. Creating and Managing Filesystems

    2. Hot Adding Swap

    3. LUKS-on-disk format Encrypted Filesystem

  13. Managing Flexible Storage with the Logical Volume Manager (LVM)

    1. Logical Volume Management

    2. Implementing LVM

    3. Creating Logical Volumes

    4. Manipulating VGs & LVs

    5. Advanced LVM Concepts

    6. system-config-lvm

  14. Lab Tasks

    1. Creating and Managing LVM Volumes

  15. Access Network File Sharing Services; NFS and CIFS

    1. File Sharing via NFS

    2. NFSv4

    3. NFS Clients

    4. NFS Server Configuration

    5. AutoFS

    6. AutoFS Configuration

    7. Accessing Windows/Samba Shares from Linux

  16. Lab Tasks

    1. Using autofs

    2. NFS Server Configuration

  17. Managing User Accounts

    1. User and Group Concepts

    2. User Administration

    3. Modifying Accounts

    4. Group Administration

    5. Password Aging

  18. Lab Tasks

    1. User and Group Administration

  19. Network User Accounts with LDAP

    1. Manual DS Client Configuration

    2. system-config-authentication

    3. System Security Services Daemon (SSSD)

  20. Lab Tasks

    1. Using LDAP for Centralized User Accounts

  21. Controlling Access to Files

    1. File Ownership

    2. Default Group Ownership

    3. File and Directory Permissions

    4. File Creation Permissions with umask

    5. Changing File Permissions

    6. SUID and SGID on files

    7. SGID and Sticky Bit on Directories

    8. User Private Group Scheme

    9. File Access Control Lists

    10. Manipulating FACLs

    11. Viewing FACLs

    12. Backing Up FACLs

  22. Lab Tasks

    1. File and Directory Ownership and Permissions

    2. User Private Groups

    3. Using Filesystem ACLs

  23. Managing SELinux

    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

  24. Lab Tasks

    1. Exploring SELinux Modes

    2. SELinux File Contexts

  25. Installing and Managing Software

    1. Managing Software

    2. RPM Features

    3. RPM Architecture

    4. RPM Package Files

    5. Working With RPMs

    6. Querying and Verifying with rpm

    7. Updating the Kernel RPM

    8. Managing Software Dependencies

    9. Using the YUM command

    10. YUM package groups

    11. Configuring YUM

    12. Yum Plugins

    13. YUM Repositories

  26. Lab Tasks

    1. Managing Software with RPM

    2. Managing YUM Repositories

    3. Using YUM

    4. Creating a Custom RPM Repository

  27. Analyzing and Storing Logs

    1. System Logging

    2. Rsyslog

    3. /etc/rsyslog.conf

    4. Log Management

    5. Log Anomaly Detector

  28. Lab Tasks

    1. Setting up a Full Debug Logfile

    2. Remote Syslog Configuration

  29. Managing Processes

    1. Automating Tasks

    2. at/batch

    3. cron

    4. The crontab Command

    5. crontab Format

    6. /etc/cron.*/ Directories

    7. Anacron

    8. Viewing Processes

    9. Managing Processes

    10. Tuning Process Scheduling

  30. Lab Tasks

    1. Creating and Managing User Cron Jobs

    2. Adding System cron Jobs

  31. Boot Process and SysV Init

    1. Booting Linux on PCs

    2. GRUB Configuration

    3. Boot Parameters

    4. Initial ramdisk

    5. /sbin/init

    6. System Init Styles

    7. Linux Runlevels

    8. /etc/inittab

    9. /etc/rc.d/rc.sysinit

    10. Runlevel Implementation

    11. System Configuration Files

    12. RHEL6 Configuration Utilities

    13. Typical SysV Init Script

    14. The /etc/rc.local File

    15. Managing Daemons

    16. Controlling Service Startup

    17. Shutdown and Reboot

  32. Lab Tasks

    1. Managing Services With chkconfig

    2. Boot Process

    3. Introduction to Troubleshooting Labs

    4. Troubleshooting Practice: Boot Process

  33. Tuning and Maintaining the Kernel

    1. Kernel Modules

    2. Configuring Kernel Components and Modules

    3. Handling Module Dependencies

    4. Configuring the Kernel via /proc/

  34. Lab Tasks

    1. Adjusting Kernel Options

 

Jose Nuno Neto
 
 
 
 
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