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LINUX System Administration

Overview

Linux has grown tremendously in popularity during its evolution and is now widely used as the server OS of choice with many leading organisations. This course explores the tools and resources within Linux used to provide a wide range of services across a network.

Learn To

By the end of this course users will be familiar with file and system security issues, file system backup and recovery.
Configuring and setting up TCP/IP networks and troubleshooting NFS.
Understand issues involved in tuning and performance monitoring.
Installation and de-installation of packages.
Understanding and modifying sysadmin scripts.
Configuring troubleshooting X Windows.
Configuring and upgrading the Kernel.
Setting up and configuring web services.

Course Content

Using the command shell
Using virtual terminals
Launching programs
Using shortcuts
Common shell commands
Manipulating files and directories
The Linux filesystem
Locating files
Examining file contents
Using redirection and pipes
Using file permissions
Setting default permissions
Using shell scripts
Getting help
Understanding processes
Listing and killing processes
Controlling foreground and background processes
Scheduling jobs with “cron”
Using “at”
Editing files with “vi”
Starting and stopping services
Understanding SysV scripts
Runlevels
Configuring Logfiles
Rotating logfiles
Managing users and groups
Managing home directories
Configuring users and groups
Controlling root access
Packages and package managers
Using .deb and .rpm files
Backing up and Restoring
Using “tar”
Using “rsync”
Basic TCP/IP Networking
Network Client configuration
Setting Static IP addresses
Setting DHCP addressing
Network Server configuration
Delivering IP addresses with DHCP
Delivering Hostnames with DNS
Delivering files over the network
Serving files with Samba
Serving files with FTP
Using remote access tools: rdesktop and VNC
Securing Linux
Understanding Authentication
Security Auditing
Checking for open ports
Reviewing accounts
Reviewing installed files and packages

Objectives

The emphasis is on practical solutions and contains troubleshooting and implementation tips. Completion of the course will provide a firm understanding of Linux administration and familiarity with a host of powerful tools to support Linux on the desktop and as a file and web server.

Audience

This course covers Linux System Administration to a level suitable for administrators who will be supporting Linux installations across a heterogeneous network. Experience with administering Windows systems will prove useful.

Duration

4 Days

Rónán Gallagher – BFS Finance Ltd.