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Linux Network Administration

This course covers all the topics of "Linux Networking Administrator ".


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


User-level experience with any computer system, including: use of any graphical user interface, use of mouse and use of menus. Should have undergone the training or have the knowledge of Linux System Admin.

Duration of the course:
Part Time : 180 Days(2 hrs./day)
Full Time : 90 Days(4 hrs./day)

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 security, set up common network (IP) services, carry out diagnostics and troubleshooting, and perform essential Linux system administrator.

Course Outline:

Introduction to Network Services:

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

Electronic Mail Services:

  • sendmail Features
  • Security and "Anti-Spam" Features
  • sendmail Configuration
  • Postfix
  • Configuring CUI and GUI Mail Clients.
  • Fetchmail and Thunderbird.
  • Mail size and Mail box size limitations.
  • Spam Control Mail Relaying

Directory Services:

  • Configuring Linux Machine as a LDAP server.
  • Integrating other Network Services with LDAP, to authenticate clients.

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/DHCP relay agent server.
  • Configuring the NTP server.

The HTTP/HTTPS Service:

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

Securing Networks:

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

Printing and Administration Tools:

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

Network File Sharing Services:

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

Remote installation:

  • Install Red Hat Enterprise Linux automatically using Kickstart.
  • Configure a physical machine to host virtual guests.

Security Concerns and Policy:

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

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