Keeping Technical Professionals Up-To-Date  

Linux System Administration
 A 4-day Hands-On Workshop

This fast paced workshop is designed for experienced Linux/Unix users who need to expand their knowledge to include system administration skills. The workshop provides hands-on experience to new Linux system administrators giving them the skills and confidence needed to keep Linux systems running smoothly and safely.

You will benefit from this workshop if you

• Are new to Linux System Administration

• Want to have Linux and Windows machines share resources

• Need to increase the security and stability of Linux machines and networks

• Configure and administrate DHCP-, web-, file-, or DNS servers

You will learn how to

• Automate the Linux installation process

• Use many of Linux’ system administration tools

• Configure and troubleshoot Linux start-up and shutdown sequences

• Configure user and group permissions

• Configure Linux network services like DHCP and DNS

• Create and manage Linux file systems

• Manage Linux printers

• Secure Linux computers from hacker attacks

• Customize and tune the Linux kernel

Techstream’s Linux Installation, Configuration, Networking and Troubleshooting workshop and a few months of daily experience. This is not a workshop for the Linux/Unix novice!

The training approach

• Real Hands-On: You will spend over 50% of the workshop doing practical, realistic hands-on labs.

• Up to date information: We update the materials before every event.

• Straightforward explanations: Technical concepts and terms are explained in plain English. You will walk away with a thorough understanding of how Linux works, and how to fix it when it doesn’t.

Workshop topics

Installing and configuring Linux

• Automated local installations

• Configuring and performing network installations

• Performing remote updates and management

Key system administration tools

• Local and on-line documentation

• Using the shell and command-line tools and utilities

• Commands for finding files and resources

• Logging activity with syslog

• Scheduling tasks with cron and at

• System rescue tools

Configuring Linux startup and shutdown processes

• How Linux boots and shuts down – The System V initialization process

• LILO and GRUB configuration

• Kernel configuration with rdev

• A typical init script

• Decoding rc.sysinit

• The /etc/sysconfig directory

Linux network services

• Configuring network services: ftp, web and mail servers, Samba, DHCP, DNS etc.

• Key configuration files

• Starting and stopping network services

• Checking the status of network services

• Automating service monitoring

Managing users and groups

• Adding, deleting, suspending, and restoring user and group accounts

• Granting user and group privileges

• Merging sets of users

• Setting up group membership policies

• Role-based access controls (RBAC)

• Adding and removing users from groups

Software installations and upgrades

• Linux software package management

• Updating your system

• Downloading and installing binary software packages

• Downloading, building, and installing source code packages

• Configure a Linux software update service

File system and disk management

• What exactly is a file system?

• File system planning and configuration

• Inodes and superblocks

• Choosing the right file systems

• The /etc/fstab file

• Backing up and restoring files

Linux printing

• Adding and sharing local and network printers

• Starting and stopping printer queues

• Prioritizing print jobs

• Deleting print jobs

Coexisting with Windows

• Configuring and running Samba

• Sharing files and printers with Windows

• Running Windows applications on Linux

• Setting up Linux file and print servers

• Replacing a Windows’ Primary Domain Controller with Linux

Linux security

• The security problem – "They" are out to get you!

• Threats: IP forwarding, ICMP redirects, source routing, broadcast pings, IP spoofing…

• Hardening an internet connected Linux server

• Detecting unauthorized and/or malicious activity on local machines and networks

• Responding to security incidents

• Virtual Private Networks (VPNs)

• Password selection and policies

Hands-On labs

The ten labs are an integral part of this workshop! Most chapters are followed by a lab session that allows you to practice what you have just learned. The lab instructions are written in a format that helps you reinforce and retain information. They also contain the information you need to implement your new skills outside the classroom. Some of the lab topics are:

• How to setup and perform Linux installations over a network

• How to add and remove services included in the startup and shutdown processes

• How to install, configure and manage network servers like FTP, DHCP, the Apache web server, DNS, and secure shells

• Configuring options for user accounts and groups and how to control access to resources, directories, and files

• Configure Samba to allow resource sharing between Windows and Linux machines

• Make your Linux system more secure by creating and installing a hardened kernel and intrusion detection services

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