(RH133)Administration Système RedHat Enterprise Linux et RHCT
Objectifs
•   Permettre à un administrateur système Linux de certifier ses compétences en passant l´examen RHCT, un examen pratique réaliste basé sur les performances, qui teste sa capacité réelle à installer, configurer, rattacher un nouveau système RedHat Linux à un réseau de production existant.


Durée : 8 Semaines

2h/Jr en cours du Soir





Pré-requis

RH033 Introduction à RedHat Linux ou expérience équivalente avec RedHat Linux.

Participants

Utilisateurs Linux ou UNIX, qui ont intégré les bases de RedHat Linux et qui désirent une formation technique plus poussée pour entamer le processus qui les mènera à l´administration système.

Programme

Objectives

Boot Sequence Overview

Boot Loader Components

GRUB and grub.conf

Starting the Boot Process: GRUB

Kernel Initialization

init Initialization

Run Levels

/etc/rc.d/rc.sysinit

/etc/rc.d/rc

System V run levels

/etc/rc.d/rc.local

Controlling Services

Hands-on Lab 1: Managing Startup

RPM Package Manager

Installing and Removing Software

Updating a Kernel RPM

rpm Queries

rpm Verification

About yum

Using yum

Searching packages/files

Configuring Additional Repositories

Creating a private repository

RedHat Network

RedHat Network Server

Entitlements

RedHat Network Client

Hands-on Lab 2: Working with packages

Objectives

The Linux Kernel

Kernel Images and Variants

Kernel Modules

Kernel Module Utilities

Managing the initrd Image

Accessing Drivers Through /dev

Device Node Examples

Managing /dev With udev

Adding Files Under /dev

Kernel Configuration With /proc

/proc Examples

sysctl : Persistent Kernel Configuration

Exploring Hardware Devices

Monitoring Processes and Resources

Hands-on Lab 3: Configuring the kernel

Network Time Protocol

System Logging

syslog Configuration

XOrg: The X11 Server

XOrg Server Configuration

XOrg in runlevel 3

XOrg in runlevel 5

Remote X Sessions

SSH: Secure Shell

VNC: Virtual Network Computing

cron

Controlling Access to cron

System crontab Files

Daily Cron Jobs

The anacron System

CUPS

Hands-on Lab 4: System Services

Adding a New User Account

User Private Groups

Modifying / Deleting User Accounts

Group Administration

Password Aging Policies

Switching Accounts

sudo

Network Users

Authentication Configuration

Example: NIS Configuration

Example: LDAP Configuration

SUID and SGID Executables

SGID Directories

The Sticky Bit

Default File Permissions

Access Control Lists (ACLs)

SELinux

SELinux: Targeted Policy

SELinux: Management

Objectives

Overview: Adding New Filesystems to the Filesystem Tree

Device Recognition

Disk Partitioning

Managing Partitions

Making Filesystems

Filesystem Labels

tune2fs

Mount Points and /etc/fstab

Mounting Filesystems with mount

Unmounting Filesystems

mount By Example

Handling Swap Files and Partitions

Mounting NFS Filesystems

Automounter

Direct Maps

gnome-mount

Hands-on Lab 6: Adding New Filesystems to the Filesystem Tree

Configuring the Quota System

Setting Quotas for Users

Reporting Quota Status

What is Software RAID?

Software RAID Configuration

Software RAID Testing and Recovery

What is Logical Volume Manager (LVM)?

Creating Logical Volumes

Resizing Logical Volumes

Logical Volume Manager Snapshots

Using LVM Snapshots

Archiving tools: tar

Archiving Tools: dump/restore

Archiving Tools: rsync:

Hands-on Lab 7: Advanced Filesystem Mangement

Objectives

Network Inferfaces

Driver Selection

Speed and Duplex Settings

IPv4 Addresses

Dynamic IPv4 Configuration

Static IPv4 Configuration

Device Aliases

Routing Table

Default Gateway

Configuring Routes

Verify IP Connectivity

Defining the Local Host Name

Local Resolver

Remote Resolvers

Verify DNS Connectivity

Network Configuration Utilities

Transparent Dynamic Configuration

Implementing IPv6

IPv6: Dynamic Interface Configuration

IPv6: StaticInterface Configuration

IPv6: Routing Configuration

New and Modified Utilities

Hands-on Lab 8: Manage Network Settings

Anaconda, the Red Hat Enterprise Linux Installer

First Stage: Starting the Installation

First Stage: Boot Media

Accessing the Installer

First Stage: Installation Method

Network Installation Server

Second Stage: Installation Overview

Configuring File Systems

Advanced Partitioning

Package Selection

First Boot: Post-Install Configuration

Kickstart

Starting a Kickstart Installation

Anatomy of a Kickstart File

Kickstart: Commands Section

Kickstart: Commands section

Kickstart: Packages Section

Kickstart: %pre, %post

Hands-on Lab 9: Installation and System-Initialization

Virtualization with Xen

Hardware Considerations

Preparing Domain-0

Virtual Resources

Domain-U Configuration

Installing a new Domain-U

Domain Management with xm

Activating Domains on boot

Hands-on Lab 10: Exploring Virtualization

Method of Fault Analysis

Fault Analysis: Gathering Data

Things to Check: X

Things to Check: Networking

Order of the Boot Process

Filesystem Corruption

Filesystem Recovery

Recovery Run-levels

Rescue Environment

Rescue Environment Utilities

Rescue Environment Details

Hands-on Lab 11: System Rescue and Troubleshooting

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