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Red Hat Enterprise Linux System Administration- RH133

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Course Description:

This course is about how to control a Linux server. Controlling such a server includes the following tasks:

· Understand system and service initialization

· Integrate new filesystems

· Understand advanced partitioning schemes

· Perform filesystem management tasks

· Set up networking

· Perform user and group administration

· Automate tasks with at, cron, and anacron

· Set up core services: Logging, Printing, X Window system

· Manage software packages with yum and rpm

· Install the system interactively and with Kickstart

· Perform basic troubleshooting

Who should attend this course?

Linux or UNIX users, who understand the basics of Red Hat Linux, that desire further technical training to begin the process of becoming a system administrator.

Prerequisites:

RH033 Red Hat Linux Essentials or equivalent experience with Red Hat Enterprise Linux.

Course Outline:

· Unit 1 - System Initialization

o Boot Sequence Overview

o Boot Loader Components

o GRUB and grub.conf

o Starting the Boot Process: GRUB

o Kernel Initialization

o init Initialization

o Run Levels

o /etc/rc.d/rc.sysinit

o /etc/rc.d/rc

o System V run levels

o /etc/rc.d/rc.local

o Controlling Services

· Unit 2 - Package Management

o RPM Package Manager

o Installing and Removing Software

o Updating a Kernel RPM

o rpm Queries

o rpm Verification

o About yum

o Using yum

o Searching packages/files

o Configuring Additional Repositories

o Creating a private repository

o Red Hat Network

o Red Hat Network Server

o Entitlements

o Red Hat Network Client

· Unit 3 - Kernel Services

o The Linux Kernel

o Kernel Images and Variants

o Kernel Modules

o Kernel Module Utilities

o Managing the initrd Image

o Accessing Drivers Through /dev

o Device Node Examples

o Managing /dev With udev

o Adding Files Under /dev

o Kernel Configuration With /proc

o /proc Examples

o sysctl : Persistent Kernel Configuration

o Exploring Hardware Devices

o Monitoring Processes and Resources

· Unit 4 - System Services

o Network Time Protocol

o System Logging

o syslog Configuration

o XOrg: The X11 Server

o XOrg Server Configuration

o XOrg in runlevel 3

o XOrg in runlevel 5

o Remote X Sessions

o SSH: Secure Shell

o VNC: Virtual Network Computing

o cron

o Controlling Access to cron

o System crontab Files

o Daily Cron Jobs

o The anacron System

o CUPS

· Unit 5 - User Administration

o Adding a New User Account

o User Private Groups

o Modifying / Deleting User Accounts

o Group Administration

o Password Aging Policies

o Switching Accounts

o sudo

o Network Users

o Authentication Configuration

o Example: NIS Configuration

o Example: LDAP Configuration

o SUID and SGID Executables

o SGID Directories

o The Sticky Bit

o Default File Permissions

o Access Control Lists (ACLs)

o SELinux

o SELinux, continued

o SELinux: Targeted Policy

o SELinux: Management

· Unit 6 - Filesystem Management

o Overview: Adding New Filesystems to the Filesystem Tree

o Device Recognition

o Disk Partitioning

o Managing Partitions

o Making Filesystems

o Filesystem Labels

o tune2fs

o Mount Points and /etc/fstab

o Mounting Filesystems with mount

o Unmounting Filesystems

o mount By Example

o Handling Swap Files and Partitions

o Mounting NFS Filesystems

o Automounter

o Direct Maps

o gnome-mount

· Unit 7 - Advanced Filesystem Management

o Configuring the Quota System

o Setting Quotas for Users

o Reporting Quota Status

o What is Software RAID?

o Software RAID Configuration

o Software RAID Testing and Recovery

o What is Logical Volume Manager (LVM)?

o Creating Logical Volumes

o Resizing Logical Volumes

o Logical Volume Manager Snapshots

o Using LVM Snapshots

o Archiving tools: tar

o Archiving Tools: dump/restore

o Archiving Tools: rsync:

· Unit 8 - Network Configuration

o Network Inferfaces

o Driver Selection

o Speed and Duplex Settings

o IPv4 Addresses

o Dynamic IPv4 Configuration

o Static IPv4 Configuration

o Device Aliases

o Routing Table

o Default Gateway

o Configuring Routes

o Verify IP Connectivity

o Defining the Local Host Name

o Local Resolver

o Remote Resolvers

o Verify DNS Connectivity

o Network Configuration Utilities

o Transparent Dynamic Configuration

o Implementing IPv6

o IPv6: Dynamic Interface Configuration

o IPv6: StaticInterface Configuration

o IPv6: Routing Configuration

o New and Modified Utilities

· Unit 9 - Installation

o Anaconda, the Red Hat Enterprise Linux Installer

o First Stage: Starting the Installation

o First Stage: Boot Media

o Accessing the Installer

o First Stage: Installation Method

o Network Installation Server

o Second Stage: Installation Overview

o Configuring File Systems

o Advanced Partitioning

o Package Selection

o First Boot: Post-Install Configuration

o Kickstart

o Starting a Kickstart Installation

o Anatomy of a Kickstart File

o Kickstart: Commands Section

o Kickstart: Commands section

o Kickstart: Packages Section

o Kickstart: %pre, %post

· Unit 10 - Virtualization with Xen

o Virtualization with Xen

o Hardware Considerations

o Preparing Domain-0

o Virtual Resources

o Domain-U Configuration

o Installing a new Domain-U

o Domain Management with xm

o Activating Domains on boot

· Unit 11 - Troubleshooting

o Method of Fault Analysis

o Fault Analysis: Gathering Data

o Things to Check: X

o Things to Check: Networking

o Order of the Boot Process

o Filesystem Corruption

o Filesystem Recovery

o Recovery Run-levels

o Rescue Environment

o Rescue Environment Utilities

o Rescue Environment Details

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