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alias    Create an alias

apropos  Search Help manual pages (man -k)

awk      Find and Replace text, database sort/validate/index

break    Exit from a loop

builtin  Run a shell builtin

bzip2    Compress or decompress named file(s)

cal      Display a calendar

case     Conditionally perform a command

cat      Display the contents of a file

cd       Change Directory

cfdisk   Partition table manipulator for Linux

chgrp    Change group ownership

chmod    Change access permissions

chown    Change file owner and group

chroot   Run a command with a different root directory

cksum    Print CRC checksum and byte counts

clear    Clear terminal screen

cmp      Compare two files

comm     Compare two sorted files line by line

command  Run a command - ignoring shell functions

continue Resume the next iteration of a loop

cp       Copy one or more…

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Everybody who owns a computer will someday need to dispose of a disk drive. Before you do, it is a good idea to cleanse the drive, so no one can read your sensitive information. Deleting files and reformatting is not sufficient; determined effort can still reveal data from a drive even after it appears to be gone. To do a more thorough job, I suggest using wipe.

You need to take special pains because files that are “deleted” are not really gone. Most operating systems, including Linux and its ext2 filesystem, just delete the pointer to a deleted file; the…

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This tutorial describes how to install Ubuntu by copying the contents of the installation CD to an USB memory stick (aka flash drive) and making the stick bootable. This is handy for machines like ultra portable notebooks that do not have a CD drive but can boot from USB media.

In short here’s what you do:

Prepare the USB flash drive

Boot the computer from your USB flash drive.

Install Ubuntu as you would from a normal boot CD

Prerequisites

A running Ubuntu 8.04 or any ubuntu version installation

A USB device (stick, pen-drive, USB hard disk) that has already been…

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Nodoka is the new Fedora default theme for Gnome. It currently contains gtk engine, gtk theme, metacity theme and gnome meta theme .If you want to install nodoka theme in Ubuntu follow this procedure.

Preparing your System

1. Install build-essential and libgtk2.0-dev packages:

sudo apt-get install build-essential libgtk2.0-dev

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, “Courier New”, courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }…

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If you want to crack pdf file passwords use pdfcrack.PDFCrack is a GNU/Linux (other POSIX-compatible systems should work too) tool for recovering passwords and content from PDF-files. It is small, command line driven without external dependencies. The application is Open Source (GPL).

pdfcrack Features

Supports the standard security handler (revision 2 and 3) on all known PDF-versions

Supports cracking both owner and userpasswords

Both wordlists and bruteforcing the password is supported

Simple permutations (currently only trying first character as Upper Case)

Save/Load a running job

Simple benchmarking

Optimised search for owner-password when user-password is known

Install pdfcrack in Ubuntu

sudo aptitude install pdfcrack

This will complete the installation.

pdfcrack Syntax

pdfcrack -f…

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As a result of distributions racing to be the first to offer them, packages for the new KDE 4.0 are now available for Ubuntu 7.10. Want to try it out? Here are instruction for installing KDE 4.0 on Ubuntu 7.10, based on the Kubuntu instructions. This works even without Kubuntu installed. Note that if you have already installed an older version of KDE 4, you will need to remove it first.

1. Open your sources.list file to add the new repository:
   gksu gedit /etc/apt/sources.list
2. Paste this line to the end of the file:
   deb http://ppa.launchpad.net/kubuntu-members-kde4/ubuntu gutsy main
3. Save the file and close the text editor.…

Continue reading about Five Steps to Install KDE 4.0 in Ubuntu 7.10

This is a list of ten tips that may help you out in getting started with KDE 4.0.

Continue reading about Ten Tips for KDE 4.0 Beginners