INUX ADMIN - LINUX NETWORK ADMIN

INUX ADMIN - LINUX NETWORK ADMIN

This course covers all the topics of "Linux Networking & Security Administration".

Audience :
Those who has undergone the Training for Linux System Admin and want to achieve expertise in Linux Network and Security Administration.

Key Benefits :

On completion of this course, the candidate can appear for the RHCE Exam, a realistic performance-based lab exam that tests his/her actual ability to: install and configure Linux; understand limitations of hardware; configure networking and file systems; configure the X Window System; configure security, set up common network (IP) services, carry out diagnostics and troubleshooting, and perform essential Linux system administration.

Course Contents :
Overview:

* UNIX History & Principles.
* Local Logins & Virtual Consoles.
* The Xorg GUI Framework.

Running Commands and Getting Help:

* Running Simple Commands.
* Getting Help.
* The what is, help & man Command.

Browsing the Filesystem:

* Linux File Hierarchy Concepts.
* Absolute and Relative Pathnames.
* Copying Files and Directories.
* Creating Moving and Renaming Files and Directories.

The bash Shell:

* bash Introduction.
* bash Heritage and Features.
* Command Line Shortcuts.
* Command Line Expansion.
* gnome-terminal.

Standard I/O and Pipes:

* Standard Input and Output.
* Overwriting vs Appending.
* Redirecting Both Standard Output and Error.
* Using Pipes To Connect Processes.

Users, Groups, and Permissions:

* Users, Groups & The root user.
* Examining Permissions.
* Linux Process Security.

vi and vim Editor Basics:

* Overview of vi and vim.
* Three Modes of vi and vim.
* Cursor Movement.

The Linux File system In-Depth:

* Partitions and File systems.
* Inodes and Directories.
* Symbolic (or Soft) Links.
* Hard Links.
* The Seven Fundamental File types.

Configuring the Bash Shell:

* Configuring the Bash Shell Variables.
* Common Local Variables.
* Startup Scripts: Order of Execution.

Advanced Topics in Users, Groups and Permissions:

* /etc/passwd, /etc/shadow, and /etc/group files.
* System Users and Groups.
* Default & Special Permissions.

Advanced vi/vim and Printing:

* File Repositioning, Filtering.
* Advanced Reading and Saving.
* Using multiple "windows".

String Processing:

* Head, tail, wc (word count), sort, uniq etc.
* Other String Processing Tools.
* Pattern Matching with Regular Expressions.
* Wildcard Characters.

Finding and Processing Files:

* Slocate, find
* Executing Commands with find

Investigating and Managing Processes:

* How Processes Are Created.
* Viewing & Sending Signals to Processes.
* Interactive Process Management Tools.
* Scheduling a Process To Execute Later.

bash Shell Scripting:

* Scripting Basics
* Creating Shell Scripts
* Conditional Execution
* for loops & while loops

Network Clients:

* Web Clients.
* Firefox & Other GUI Web Browsers.
* Email and Messaging.
* Ssh, scp, telnet and the "r" services.
* Rsync, lftp, gFTP & smbclient.
* Mounting Floppy, CDs and USB Media.

Installation:

* Hardware Overview
* CPU and Memory
* Preparing to Install
* Multiboot systems
* The RHEL Installer
* Installer Features
* RHEL Installation Overview
* Partitioning Hard Drives
* Sample Partition Structure
* Configuring File Systems
* Software RAID
* LVM: Logical Volume Manager
* Network Configuration
* Firewall Setup
* Security Enhanced Linux
* SELinux Installation Options and Control
* Package Selection
* Validating the Installation
* noprobe Mode and Driver Disks
* Post-Install Configuration
* Hands-on Lab: Installation

System Initialization and Services:

* Boot Sequence Overview
* BIOS Initialization
* Boot Loader Components
* GRUB and grub.conf
* Kernel Initialization
* init Initialization
* Run levels

Kernel Services and Configuration:

* Kernel Module Configuration.
* The /proc filesystem.
* /proc/sys configuration with sysctl.
* Hotswappable Bus Support.

System Monitoring and Process Control Filesystem Management:

* Disk Partitioning & Managing Partitions.
* Managing Data: Filesystem Creation.
* Mount Options and Configuration.

Network Configuration:

* Network Interfaces
* mii-tool, ifconfig, ifup/ifdown
* Interface Configuration Files
* DHCP/BOOTP
* Default Route, Static Routes
* Name Resolution, DNS Configuration

RPM and Kickstart:

* RPM Package Manager
* Installing and Removing Software
* Updating a Kernel RPM
* Using Kickstart to Automate Installation

User Administration:

* User Policy Considerations
* The User Account Database - /etc/passwd
* Group Administration
* Login Shell Scripts
* Authentication Configuration
* NIS & LDAP Client Configuration
* The Setgid Access Mode
* Access Control Lists (ACLs)

Printing and Administration Tools:

* CUPS: Common Unix Printing System
* Controlling Access to cron
* System crontab Files
* syslog Configuration
* Using cpio
* Remote Backups

The X Window System:

* XOrg Server Configuration
* Server and Client Relationship
* Configuration Utilities
* Remote X Sessions

Advanced Filesystem Management:

* Software RAID Configuration & Recovery
* Converting LVM1 to LVM2
* The Linux Quota System

Troubleshooting:

* Troubleshooting Networking
* Order of the Boot Process
* Filesystem Corruption & Recovery

Introduction to Network Services:

* Red Hat Linux Network Components
* Connecting Networks
* Service Management
* Chkconfig, xinetd Daemon

Organizing Networked Systems:

* DNS Basics
* Name Server Hierarchy
* Client & Server-side DNS
* Configuring BIND
* BIND Utilities
* Configuring the DHCP server

Network File Sharing Services:

* Configuring NFS, FTP & Samba Services
* Configuring File and Directory Sharing
* Printing to the Samba Server
* Authentication Methods

Electronic Mail Services:

* sendmail Features
* Security and "Anti-Spam" Features
* sendmail Configuration
* Postfix

The HTTP Service:

* Apache Features
* Apache Configuration
* Apache Namespace Configuration
* Apache Encrypted Web Server
* Squid Web Proxy Cache

Security Concerns and Policy:

* Basic Network Security
* Which Services Are Running?
* Remote Service Detection
* Security Policy

Authentication Services:

* Authentication Basics
* Service Profile: PAM
* Password Security
* User Access Control
* Single User Mode
* Authentication Troubleshooting
* Configuring an NIS Server

System Monitoring:

* Introduction to System Monitoring
* File System Analysis
* Set User and Group ID Permissions
* EXT2 Filesystem Attributes
* Monitoring Data Integrity with tripwire
* System Log Files
* Advanced syslogd configuration
* Monitoring and Limiting Processes
* System Activity Reporting

Securing Networks:

* Packet Filtering Capabilities
* Netfilter Architecture
* Network Address Translation(NAT)
* Connection Tracking
* Rule persistence
* The "Bastion Host"

Securing Services:

* SystemV Startup Control
* Securing the Service
* tcp_wrappers Configuration
* Daemon Specification
* xinetd-based security

Securing Data:

* The Need For Encryption
* Cryptographic Building Blocks
* One-Way Hashes
* Symmetric & Asymmetric Encryption
* Public Key Infrastructures
* Digital Certificates
* OpenSSH Authentication
* Applications: RPM