Red Hat System Administration II

Linux Training Overview

This course will teach the commands and methods needed to setup and manage a RHEL 6 system. The course will also use a problem solving approach in the lab exercises to teach system administrators advanced topics, for long-term mangement of the system.

This course is the second preparation course for the RHCSA certification examination.

Systems: Red Hat Enterprise Linux Version 6 (all update levels)

Linux Training Prerequisites

It is assumed that the participant has successfully completed the Red Hat System Administration I course, or has equivalent system time as a user.

Linux Training Course duration

This course normally requires four (4) days, approximately 60% lecture, and 40% lab time.

Linux Training Course Objectives

On completion of this course, a systems administrator should be able to install, update, and boot the RHEL 6 operating system; set up user accounts and directories; prepare queues for use; perform backups for integrity and performance reasons; monitor the system for performance and do basic setup of network software and capabilities.

Linux Training Course outline

Advanced System Concepts for System Administrators

  • Linux history and timelines
  • Process concepts
  • Bash Shell command usage and review
  • Optimizing system help information
  • System administrator functions
  • Using the root account
  • root access via sudo
  • Using the RHEL 6 administrative graphical interfaces
  • Manipulating system default environment files
  • Installing and using webmin for remote administration
System Installation and Updating
  • Installation types and methods (review)
  • Installing the RHEL 6 operating system via kickstart
  • Package management via yum (repositories)
  • Reconfiguring the Linux kernel (modules)
Startup and Shutdown
  • Controlling kernel operations via boot time arguments
  • Grub loader manipulation
    • alternative menu entries
    • password protections
  • Boot time troubleshooting
  • Upstart init service
Managing of System Users and Files
  • Security through PAM password aging
  • Group level password controls
  • Access Control Lists (ACLs)
    • files
    • directory (defaults)
  • Process priorities
Managing Printer Queues
  • Creation of an execution print queue
  • Commands to manipulate queues
  • Commands to manipulate jobs in queues
Managing Disk and Tape Volumes
  • Commands to manipulate partitions
    • fdisk
    • partprobe
    • encrypting file systems (LUKS)
    • verifying file system structures with fsck
  • Commands to manipulate archival volumes:
    • tar utility
    • cpio utility
    • dump and restore utilities
    • LVM snapshots
Monitoring System Activity
  • Informational Utilities
  • The vmstat utility
  • The iostat utility
  • The sar utility
  • The netstat utility
  • Maintaining swap and paging space(s)
  • Using the top facility
  • Maintaining swap and paging space(s)
  • Using the top facility
Maintaining System Integrity
  • SELinux basics
  • Pluggable Authentication Module (PAM) basics
  • Log file control (logrotate)

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