linux online training

linux online training Course Content

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
  • 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 user’s perspective
  • Directory structure
  • FSH standard
  • File and directory manipulation commands
  • Copy, move, remove, etc
  • File system – the system’s perspective
  • I-nodes and file attributes
  • Hard links and symbolic links
Editing Text
  • Operational modes of vi
  • Command mode vs. Insert mode
  • ‘Colon’, or ‘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
  • 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…
  • X Window resources
  • Fonts, colours, geometry
Writing Shell Scripts
  • Simple scripts
  • Positional parameters
  • Command exit status
  • Selection commands
  • Looping commands
  • Interactive input