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Red Hat Enterprise Linux Systems Administration (Essential Operations)
Linux Training Overview

This course will teach the commands and methods needed to setup and manage a RHEL5 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 equivalent to Red Hat course 131.

Systems: Red Hat Enterprise Linux Version 5 (all update levels)

Linux Training Prerequisites

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

Linux Training Course duration

This course normally requires four (4) or five (5) 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 RHEL5 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 RHEL5 administrative graphical interfaces
  • Manipulating system default environment files
  • Installing and using webmin for remote administration
System Installation and Updating
  • Installation types and methods
  • Installing the RHEL5 operating system
  • Upgrading to a newer release of RHEL5
  • Maintaining the system via patches
  • Adding additional products to the system (packages)
  • General package management
  • Reconfiguring the Linux kernel
Startup and Shutdown
  • Components involved in the Linux boot
  • Grub loader stages and configuration
  • Default bootstrap
  • Boot to single-user mode
  • Linux startup methods, tools, and procedures
  • Understanding run levels
  • Adding procedures to the startup mechanisms
  • Shutdown methods and control
Managing of System Users
  • UID and GID concepts
  • Creation of a user account
  • Security through password aging
  • Controlling access by groups
  • Login sequence
  • Setting up user environment files
  • Using and maintaining user login files
  • Viewing and controlling running processes
  • KDE setup files
  • .gnome* files and directories (menus and layouts)
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 disks/filesystems
    • partitioning disk surfaces with fdisk
    • creating ext3 file systems (mke2fs)
    • manipulating file system structures
    • verifying file system structures with fsck
    • making file systems available to software (mount)
  • Creating and using LVM based file systems
  • Commands to manipulate archival volumes:
    • tar utility
    • cpio utility
    • dump and restore utilities
    • Alternative methods of backup (mondo, rsync)
Monitoring System Activity
  • Informational Utilities
  • The vmstat utility
  • The iostat utility
  • The sar utility
  • The netstat utility
  • Maintaining swap and paging space(s)
  • Building and using the top facility
Network Setup and Configuration
  • TCP/IP address selection
  • Host names and related files
  • Configuring network devices
  • Network testing with ping
  • Network utilities: telnet, rlogin, rcp, rsh, ssh
Maintaining System Integrity
  • Login and user accounting
  • Command/process level accounting
  • Using cron tables
Basic Server Setups (Procedures and Mechanisms)
  • DNS (client)
  • FTP
  • Mail
  • Web (Apache)
  • Samba
Shell Scripting for Systems Administrators
  • Bash shell variable definitions and basic techniques
  • Looping and conditional constructs
  • Administration scripts:
    • Directory content information
    • switchdesk replacement
    • preformatting man pages
    • disk label conversion
    • batch job logging
    • administrative menus
    • find largest file(s)



 
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