Essentials of Linux Administration

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Provider rating: 10 Perpetual Solutions has an average rating of 10 (out of 1 reviews)
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Overview

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Schedule:
Daytime
Run time:
5 days
Location type:
Open

completion, maximum participants, and starting dateplaces are unknown for this course.

Prerequisites:

Existing IT professionals with little or no Unix experience, who require a quick start in a Linux environment, enabling them to control a Linux system swiftly and efficiently.

Typically, delegate skills will include a good working knowledge of other contemporary operating system, and familiarity of working at the command line

Course Description:

Many institutions have been adding Linux machines to their existing infrastructure: perhaps to give developers a platform of their choice, to provide an alternative to a network server, or perhaps to introduce an additional piece to the security jigsaw.

Linux systems are also being introduced as part of virtualisation environments (for exam…

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Description

Prerequisites:

Existing IT professionals with little or no Unix experience, who require a quick start in a Linux environment, enabling them to control a Linux system swiftly and efficiently.

Typically, delegate skills will include a good working knowledge of other contemporary operating system, and familiarity of working at the command line

Course Description:

Many institutions have been adding Linux machines to their existing infrastructure: perhaps to give developers a platform of their choice, to provide an alternative to a network server, or perhaps to introduce an additional piece to the security jigsaw.

Linux systems are also being introduced as part of virtualisation environments (for example, with the use of VMware or XEN, KVM or VPC), allowing access to a mixture of operating systems from a single workstation or server. This course will give the delegates the skill set preparing them for a successful future with Linux technology, by discussing a hybrid of topics that span user and administrator tasks and activities.

This course, together with the Advanced Linux Administration, has been designed to meet the objectives of the industry standard Linux certification from Linux Professional Institute, specifically preparing for LPIC-1 (LPI-101 and LPI 102) exams. Please notice that LPI exams are not included in the course. Before attempting the LPI examination, the delegates are encouraged to follow this course with the advanced administration training and then consolidate their knowledge in a real life working environment.

Delegates will learn how to:

  • Work with Linux main shell:BASH
  • Navigate the filesystem and manage files and directories
  • Understand the client/server nature of X Window System and X applications
  • Edit files using vi and GUI editors
  • Manipulate data with a selection of filter tools
  • Use redirection and piping techniques
  • Perform basic administrative tasks, controlling processes, filesystems, job scheduling, and simple networking and backups
  • Reading and writing simple BASH scripts

This course includes the following modules:

?¢‚Äöá®?¨Just For Fun

  • Linux? Why?
  • Hardware, software, operating system...
  • UNIX Market and place for Linux within it
  • OSS (Open Source Software) principles
  • GNU GPL, Linux philosophy and distributors
  • Linux for networking and developers
  • LPI Linux Professional Institute
  • LPIC certification
  • Introduction to objectives and coverage

Linux Session

  • Gaining access to the system
  • Ordinary users vs. the superuser
  • Login process, shells and line interpreters
  • Command line structure, control and examples
  • Simple system interrogation utilities
  • Simple file reading utilities
  • File system layout and navigation
  • System and user directories
  • Using filenames with absolute and relative pathnames
  • Getting help

Using Files and Directories

  • File system the users perspective
  • Directory structure
  • FSH standard
  • File and directory manipulation commands
  • Copy, move, remove, etc
  • File system the systems perspective
  • I-nodes and file attributes
  • Hard links and symbolic links

Editing Text

  • Operational modes of vi
  • Command mode vs. Insert mode
  • ?¢‚Äöá®?¨Colon, or ?¢‚Äöá®?¨ex mode
  • Useful vi commands
  • Navigation and editing command
  • Search and substitute
  • Extended vi commands and vim configuration
  • Alternative editors
  • GUI and text choices

BASH Your Interpreter

  • Shell as Interpreter and command line scan
  • Generating filenames with wildcards (globbing)
  • Quoting (protecting special characters from the shell)
  • Variable and command substitutions
  • Protecting special characters for the shell
  • Bash Command History
  • Bash Command Line Editing

BASH Environment

  • Shell definitions
  • Creating, recalling and sharing shell variables
  • Shell aliases and functions
  • Character sets and localisation
  • Bash variables to control these
  • Controlling shell behaviour with set -o and shopt
  • Interactive Start-up Files
  • Start-up files for login and non-login shells

Who is the Boss

  • The su command
  • su interactive session
  • Running one-off commands
  • Checking who you are
  • Understanding id and who am i tools
  • The sudo tool
  • Typical sudo session
  • sudo configuration file

Processes

  • What is a Process?
  • How a process starts
  • How a process ends
  • The kill command and signals
  • Command exit status
  • Identifying Processes
  • ps, top and GUI process monitors

Job Control

  • Background jobs
  • One-off deferral with at
  • Daemon and job manipulation
  • User access configuration files
  • Spool directory
  • Scheduling repeated tasks with crontab
  • The cron daemon and configuration tables
  • User access configuration files

Data Streams

  • Standard data streams
  • Standard output stream (stdout)
  • Standard error stream (stderr)
  • Standard input (stdin)
  • Redirecting streams
  • Redirecting standard output, error and input
  • Synchronising (merging) streams
  • Other methods of handling data streams
  • Collecting data with sub-shells
  • Using command substitution

Pipes and Filters

  • Sending stdout to a process
  • Pipes
  • Multistage Pipes
  • Simple Filters
  • Why Use Filters?
  • Problem Solving Approach
  • The cut, sort, uniq, grep and tr commands
  • Filter Examples

Basic Regular Expressions (and SED)

  • Regular expressions
  • What is sed
  • Specifying simple instructions
  • Understanding sed addressing
  • Using a sed command file
  • More sed editing commands

File Management Tools

  • Using PATH to identify command origins
  • The which and type commands
  • Locating files
  • The locate command and mlocate database
  • Identifying filenames with find
  • Specifying search criteria and requesting actions
  • Backups with cpio, and dd and tar
  • Compression tools

Filesystem Access

  • Files, directories and filesystems
  • File and directory access
  • Read/write/execute permissions
  • User types
  • Additional permission bits
  • Set user/group ID bits and sticky bit
  • Using chmod, chown and chgrp to manipulate access attributes

Working in a Network Environment

  • Basic network card configuration
  • Using ifconfig tool
  • GUI configuration programs exist
  • Basic routing configuration
  • Using route commands
  • Network diagnostics
  • With ping, traceroute and netstat
  • Using ssh for remote shell logins

X Window System

  • X Window System as Linux GUI Interface
  • Origins and implementation
  • X Window System Architecture
  • Client-server communication
  • Setting display access rights
  • Selecting destination display
  • Window managers / desktop systems
  • Gnome, KDE and more?¢‚Äöᮨ∂
  • X Window resources
  • Fonts, colours, geometry

Writing Shell Scripts

  • Simple scripts
  • Positional parameters
  • Command exit status
  • Selection commands
  • Looping commands
  • Interactive input

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