Linux Tutorial

Welcome to the Linux Knowledge Base and Tutorial

so you want to learn how to use the Bash command line interface (terminal) on Unix/Linux. Or, it’s part of a subject you’re doing and so you’re learning it because you have to. Either way, that’s great. You’re learning how to use a powerful tool that can make your life easier, and make you awesome (more so than I’m sure you already are) .

Complete tutorial will cover the below things:-

  • Installation – Installation of different flavor of Linux
  • Un installation  –
  • The Command Line – What is it, how does it work and how do I get to one.
  • Basic Navigation – An introduction to the Linux directory system and how to get around it.
  • More About Files – Find out some interesting characteristics of files and directories in a Linux environment.
  • Manual Pages – Learn how to make the most of the Linux commands you are learning.
  • File Manipulation – How to make, remove, rename, copy and move files and directories.
  • Vi Text Editor – Discover a powerful Linux based text editor.
  • Wildcards – Also referred to as globing, this is a means to refer to several files in one go.
  • Permissions – Learn to identify and change the permissions of files and directories and what the consequences of these are.
  • Filters – An introduction to various commands that allow us to mangle data in interesting and useful ways.
  • Grep and Regular Expressions – Master a powerful pattern matching language that is useful for analyzing and processing data.
  • Piping and Redirection – Join commands together in powerful combinations.
  • Process Management – See what is currently running on your Linux system and what state the system is in, learn how to kill programs that have hung and put jobs in the background.
  • Scripting – Be happy. Get the computer to do tedious and repetitive tasks for you.
  • Cheat Sheet – A quick reference for the main points covered in this tutorial.
  • Administration  
  • Memory Management
  • Networking
  • Email System
  • File System and File Management
  • Utilities

 



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what you need to know, before you deploy the VoIP in your organization : QoS (Quality of Service) for VoIP

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ViciBox Redux 4.0 installation step by step

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shell script to backup files and directories in Linux using tar & cron jobs

The vi Editor http://t4test.com/blog/unix-linux-shell-script-introduction-to-shell-scripting/ http://t4test.com/blog/read-making-shell-script-interactive/ http://t4test.com/blog/cpio-a-backup-program/ Backup Using TAR Backing up your files using tar is very simple you just
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VI editor - Linux command line editor

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Reinstall or Upgrade the Dahdi driver to Latest version

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Find Linux RAM Information Command and system information

  You need to use the free command: # free # free -m total used free shared buffers cached Mem:
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Mount.cifs cannot allocate memory mounting

Mounting a Windows (SMB) share on Ubuntu gives us a “cannot allocate memory” error. Executing a command like this: mount
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Startup: Unable to load dynamic library '/usr/lib/php/modules/module.so'

this error come up while running a shell script to get the parameter from php file PHP Warning: PHP Startup:
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SQL FOREIGN KEY Constraint

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