CompTIA Linux + Course- Formatech

Information Technologies

hours

language

English

Target Audience

Any

prerequisites

Students should have knowledge and experience of personal computers and an understanding of networking technologies

Skills Gained

This course will help students prepare for the Linux+ Certification exam

01 Planning the Implementation
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Evaluating Computer Requirements

Workstations

Servers

Dedicated Appliances

Special Needs

Determining Available Resources

Utilizing Existing Hardware

Balancing Budgetary Limitations

Considering Available Expertise

Deciding What Hardware to Use

A Rundown of PC Hardware

CPU

RAM

Hard Disk Space

Network Hardware

Video Hardware

Miscellaneous Hardware

Checking Hardware Configuration before Installation

Checking Cabling

Checking IRQs, DMA, and I/O Settings

Checking EIDE Devices

Checking SCSI Devices

Checking BIOS Settings

Planning Disk Partitioning

Understanding the PC Partitioning System

Linux Partition Requirements

Common Optional Partitions

Linux Filesystem Options

Partitioning Tools

Linux and Non-Linux Solutions

Linux vs. Proprietary OSs

Linux vs. Other Open Source OSs

A Rundown of Linux Distributions

Determining Software Needs

Common Workstation Programs

Common Server Programs

Useful Software on Any System

Validating Software Requirements

Understanding Software Licenses

Open Source Software Licenses

Commercial Software Licenses

Miscellaneous Software Licenses

Using Licensed Software in Linux

Linux Distributions' Licenses

Locating Linux Software

Locating Open Source Software

Locating Commercial Software

02 Installing Linux
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Selecting an Installation Method

Media Options

Methods of Interaction during Installation

Starting the Installation

Selecting Basic Installation Parameters

Language

License Terms

Installation Class and Hardware Detection

Installation Class

Disk Detection

Mouse and Keyboard

Configuring Disks

Disk Partitioning

Creating Filesystems

Choosing Packages for Installation

Install-Time User Configuration

root Password Options

User Account Creation

Miscellaneous Settings

Install-Time Network Configuration

Mandrake Summary Configuration

Service Configuration

Boot Options

Initial X Configuration

Checking Post-Installation Log Files

Additional Possible Configuration Options

Post-Installation X Configuration

Selecting an X Server

Configuring X

Configuring Window Managers

Understanding the Role of the Window Manager

Common Window Managers for Linux

Running a Window Manager

Understanding Widget Sets

Configuring Desktop Environments

Common Desktop Environments for Linux

Running a Desktop Environment

Mixing and Matching Desktop Environment Components

03 Software Management
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Basic Command Shell Use

Starting a Shell

Viewing Files and Directories

Manipulating Files

Launching Programs

Shell Shortcuts

Package Concepts

File Collections

The Installed File Database

Rebuilding Packages

Installing and Removing Packages

RPM Packages

Debian Packages

Tarballs

Converting between Package Formats

GUI Package Management Tools

Validating Proper Program Functioning

Checking an Application on a Test System

Checking an Application on a Production System

Ongoing Application Monitoring

Kernel Issues • The Role of the Kernel

Kernel Version Numbering

When to Recompile the Kernel

Configuring Boot Loaders

The Role of the Boot Loader

Available Boot Loaders

An Overview of the LILO Configuration File

Adding a New Kernel to LILO

Adding a New OS to LILO

Users and Security

Linux Multiuser Concepts

User Accounts: The Core of a Multiuser System

Groups: Linking Users Together for Productivity

Mapping UIDs and GIDs to Users and Groups

The Importance of Home Directories

File Permissions

File Access Permissions

Changing File Ownership and Permissions

Setting Default Permissions

Configuring User Accounts

Adding Users

Modifying User Accounts

Deleting Accounts

Configuring Groups

Adding Groups

Modifying Group Information

Deleting Groups

Common User and Group Strategies

The User Private Group

Project Groups

Multiple Group Membership

Account Security

Enforcing User Password Security

Steps to Reduce the Risk of Compromised Passwords

Disabling Unused Accounts

Filesystem Security

Evaluating Your User File Permissions Scheme

Evaluating Permissions on Programs

Removing Unnecessary Programs

Keeping Software Up-to-Date

Detecting Intruders

Setting Process Permissions

The Risk of SUID and SGID Programs

When Is SUID or SGID Necessary?

Finding SUID or SGID Programs

Monitoring Log Files

Locating Important Log Files

Information Recorded in Log Files

Usual and Unusual Log File Activity

Tools to Aid in Log File Analysis

Physical Security

What an Intruder Can Do with Physical Access

Steps to Mitigate Damage from Physical Attacks

04 Networking
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Understanding Networks

Basic Functions of Network Hardware

Types of Network Hardware

Network Packets

Network Protocol Stacks

Network Addressing

Types of Network Addresses

DNS and Routers: Linking It All Together

Network Ports • Basic Network Configuration

Clients and Servers

DHCP Configuration

Static IP Address Configuration

Using GUI Configuration Tools

Configuring Remote Client Access

Initiating a PPP Connection

Using ISDN Services

Using DSL or Cable Modem Services

Network Application Configuration

Using a Web Browser

Using an E-Mail Client

Using X Programs Remotely

Using an FTP Client

Accessing SMB/CIFS Shares

Accessing NFS Shares

Using an SNMP Client

Using NIS

Setting Up a Remote Access Server

Setting Remote Access Rights

Controlling Access via a Firewall

Controlling Access via TCP Wrappers

Controlling Access via xinetd

Controlling Access via Passwords

Controlling Access via File Permissions

Remote System Administration

Text-Mode Logins

GUI Logins

File Transfers

Remote Administration Protocols

Network Diagnostic Tools

05 Managing Files and Services
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Basic Configuration File Locations

User Configuration Files

System Configuration Files

Format of Common Configuration Files

Startup Scripts

/etc/inittab

/etc/fstab

/etc/modules.conf

/etc/profile

Additional Files

Setting Environment Variables

The Role of Environment Variables

Where to Set Environment Variables

The Meanings of Common Environment Variables

Starting and Stopping Services

Starting and Stopping via SysV Scripts

Editing inetd.conf

Editing xinetd.conf or xinetd.d Files

Custom Startup Files

Setting the Runlevel

Understanding the Role of the Runlevel

Using init or telinit to Change the Runlevel

Permanently Changing the Runlevel

Basic GUI Use

Features Offered by Window Managers

Features Offered by Desktop Environments

Launching an Xterm

GUI Administrative Tools

Basic Shell Scripting

Beginning a Shell Script

Using External Commands

Using Variables

Using Conditional Expressions

Documenting System Configuration

Maintaining an Administrator's Log

Backing Up Important Configuration Files

06 Managing Partitions and Processes
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Partition Management and Maintenance

Using fdisk to Create Partitions

Creating New Filesystems

Checking a Filesystem for Errors

Partition Control

Identifying Partitions

Mounting and Unmounting Partitions

Using df

Understanding the Linux Filesystem Hierarchy

The FSSTND and FHS

Important Directories and Their Contents

Using du

Backing Up and Restoring a Computer

Common Backup Hardware

Common Backup Programs

Planning a Backup Schedule

Preparing for Disaster: Backup Recovery

File Manipulation Commands

Navigating the Linux Filesystem

Manipulating Files

Manipulating Directories

Editing Files with Vi

Vi Modes

Basic Text Editing Procedures

Saving Changes

Managing Cron Jobs

The Role of Cron

Creating System Cron Jobs

Creating User Cron Jobs

Handling Core Dumps

Understanding Core Dumps

Locating and Deleting Unneeded Core Files

Managing Processes

Examining Process Lists with ps

Restricting Processes' CPU Use

Killing Processes

07 Hardware Issues
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Adding Swap Space

Evaluating Swap Space Use

Adding a Swap File

Adding a Swap Partition

Basic Printing

The Linux Printing Architecture

Using PostScript and Ghostscript

BSD and LPRng Configuration and Use

Monitoring and Controlling the Print Queue

Adding New Hardware

Locating Hardware Drivers

Configuring Hardware in Linux

Making Hardware Accessible to Users

Managing Kernel Modules

Kernel Module Configuration Files

Inserting and Removing Kernel Modules

Diagnosing Hardware Problems

Core System Problems

EIDE/ATA Problems

SCSI Problems

Problems with Peripherals

Identifying Supported and Unsupported Hardware

Using Linux with a Laptop

Special Laptop Installation Issues

Understanding Power Management

Using PC Card Devices

08 Troubleshooting
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Localizing the Problem

Symptoms of Hardware Problems

Symptoms of Kernel Problems

Symptoms of Application Software Problems

Symptoms of Configuration Problems

Symptoms of User Problems

Problem Identification

Using Log Files to Identify Problems

Using System Status Tools to Identify Problems

Evaluating User Complaints

Diagnosing Software Problems

Filesystem Problems

Configuration File Problems

Server Software Problems

Backup and Restore Problems

Diagnosing Network Problems

Reviewing Your Network Configuration

Localizing the Source of the Problem

Handling LILO Boot Errors

LILO Boot Error Codes

Non-LILO Boot Techniques

Fixing LILO from an Emergency Boot System

Using an Emergency Disk Set

Locating a Ready-Made Emergency Disk

Creating a Custom Emergency Disk

Emergency Disk Recovery Tools

Stopping, Starting, or Restarting Processes

When to Stop, Start, or Restart a Process

Working Around Recurring Problems

Package Dependencies and Conflicts

Real and Imagined Package Dependency Problems

Workarounds to Package Dependency Problems

Startup Script Problems

Using Common Troubleshooting Commands

File-Location Commands

File-Examination Commands

Redirection and Pipes

minimize course outline

CompTIA Linux +

Topics Covered