[How to ]Clone Your Ubuntu installation

If you want to create a system that is similar to a different system you have already set up, it can be difficult to remember each and every package you had installed.This method works best when you are exporting to and importing from the same distribution and, specifically, the same releasefor example, exporting from Ubuntu Dapper to Ubuntu Dapper or ubuntu edgy to ubuntu edgy.

Ubuntu uses the

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How to speed up internet connection in Ubuntu

Basically you disable ipV6 which apparently conflicts with ipV4, I'm no expert on the whys or hows but like I said, it worked for me.

1. Open your Gnome Terminal/ KDE Konsole and type :-
For Gnome

Quote:
gksudo gedit /etc/modprobe.d/aliases
or For KDE

Quote:
kdesu kate /etc/modprobe.d/aliases
2. Kate or Gedit will open and show you this file :-
(scroll down to see what to copy and paste)

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Howto Share Internet Connections in Ubuntu

Network Bridge comes in handy. Its essentially the same as ICS, only more flexible, albeit less secure. You might want to have a firewall remain on your system with it.

Normally, using a series of commands will work when bridge-utils is installed, but they're only for the current session. We want to make it permanent.


Procedure to follow

1. Get bridge-utils through Synaptic. This is the

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How to Create a SSH Tunnel for Firefox to surf securely

A ssh tunnel for Firefox to a remote computer is good security measure. Especially when connecting via an untrusted network like a wifi hotspot or other public networks. The tunnel encrypts and sends the data to your remote machine then it is sent over the web to your destination. This tutorial assumes you have an account on a remote machine you can ssh into. This is a pretty easy set up.

Now

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[How to ] get list of non-free software Installed on your system

The vrms (Virtual Richard M. Stallman) program will analyze the set of currently-installed packages on a Debian GNU/Linux system, and report all of the packages from the non-free tree which are currently installed.

Future versions of vrms will include an option to also display text from the public writings of RMS and others that explain why use of each of the installed non-free packages might

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How to Repair a corrupted filesystem in Ubuntu

You can repair a corrupted filesystem with the program "fsck".The system utility fsck (for "file system check" or "file system consistency check") is a tool for checking the consistency of a file system in Unix and Unix-like operating systems such as Linux.


Note:-File systems must be unmounted, you cannot repair them while they are running.So fsck must ALWAYS be run on an UNmounted

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How to use Google Public DNS

Google unveiled its new project: Google Public DNS. It means now anybody can use Google’s DNS servers for resolving domain names into IP addresses and back. According to Google it should speedup browsing as well as security.


Here are easy-to-remember Google Public DNS IP addresses: 8.8.8.8 and 8.8.4.4.

In order to set up Google public DNS to your Linux settings place the following lines into /

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How to install nVidia Graphics driver in Ubuntu 9.10 Karmic Koala

Take terminal 




Use the following command to add PPA


sudo add-apt-repository ppa:nvidia-vdpau/ppa


Install GPG key using the following command


sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys CEC06767




Update package database


sudo apt-get update




finally install drivers 




sudo apt-get install nvidia-190-modaliases nvidia-glx-190 nvidia-settings-190

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Google Chrome for Linux Release

Official Google Blog: Google Chrome for the holidays: Mac, Linux and extensions in betaGoogle Chrome for LINUX finally released , but only in .deb and .rpm format !!

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[How to solve ] Display cannot be reactivated if it enters sleep mode on Fedora 12

Due to a known bug, on some laptops with Intel video adapters, if the display goes into sleep mode with the laptop lid closed, it will not be reactivated when the laptop lid is opened. The display will stay blank unless you reboot or use the following workaround. To workaround this problem, create a file with the following contents:

#!/bin/bash
xrandr --output LVDS1 --off
xrandr --output LVDS1 -

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Howto : GfxBoot ( Grub like suse ) in Ubuntu

                                
Gfxboot makes grub look nicer but with the same features
 

Download the grub-gfxboot.deb
And the message.suse

First remove your old grub

Code:
sudo apt-get remove grubThen Install the gfxboot-grub
Code:
sudo dpkg -i grub-gfxboot_0.97-5_i386.debthen we're going to move the message
Code:
sudo cp message.suse /boot/grub/ # the suse can be replaced by the one

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Cricket Score applet for Gnome desktop

 


Cricket score applet is a  gnome-applet which will display score at gnome-panel, the same way, we see date/time. It is written in python. It will also score updates through libnotify module. Read more here

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How to : GNOME Shell ( Preview of GNOME 3.0 ) in Fedora 12

A very early version of GNOME Shell is now available in the repository. GNOME Shell is a key part of GNOME 3 and is in active development with the heavy involvement of Fedora developers and interaction designers. A simple way to try out GNOME Shell is to install the desktop-effects package
yum install desktop-effects gnome-shell Go to System => Preferences => Desktop Effects



If you would like

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[ How to ] Disable asking password of encrypted partitions during booting in Fedora 12

You can disable luks password prompt at boot by adding "rd_NO_LUKS" kernel flag to /boot/grub/grub.conf





.

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How to Automatic and timed login in Fedora 12 ( constantine )

edit /etc/gdm/custom.conf
and change it to

[xdmcp]
[chooser]
[security]
[debug][daemon]TimedLoginEnable=trueTimedLogin=your_user_nameTimedLoginDelay=0AutomaticLoginEnable=trueAutomaticLogin=your_user_name

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Package management on Ubuntu using dpkg

Installing a package manually.# dpkg -i aspell_0.60.6-1_i386.debRemoving the package# dpkg -r aspell#dpkg -P aspell ( Removes everything including config files.)Now Let us explore the contents of a deb package.Make a temporary directory.#mkdir aspell_tmpExtract the deb to the aspell_tmp directory.# dpkg -x aspell_0.60.6-1_i386.deb aspell_tmpYou can see the package contents.( Try ls -lR aspell_tmp

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How to DHCP server on Ubuntu

$ sudo apt-get install dhcp3-serverNow edit the /etc/dhcp3/dhcp3d.conf
The default config file supplied with the dhcpd package is some what cumbersome. I replaced it with the following simple file# dhcpd.conf config file.authoritative;subnet 192.168.0.0 netmask 255.255.255.0 {range 192.168.0.20 192.168.0.250;option domain-name "mynet.local";option domain-name-servers 192.168.0.1;option

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How to beat proxy using ssh

In most of our schools and offices several websites are blocked. Most of these offices and schools are using a proxy server such as squid along with squidguard or danceguardian to achieve access restrictions on users. Most often, the sys admins forget to block internet traffic using other protocols such as ssh , ftp etc. You can beat the web filtering scheme of your network administrator if you

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How to update a distro's iso to new one with zsync

zsync is a file transfer program. It allows you to download a file from a remote server, where you have a copy of an older version of the file on your computer already. zsync downloads only the new parts of the file. It uses the same algorithm as rsync. However, where rsync is designed for synchronising data from one computer to another within an organisation, zsync is designed for file

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How to Rebuild a deb package from an installation

If you have an ubuntu/debian system , you can rebuild the deb file of any installed package. For this install the dpkg-repack package.# apt-get install dpkg-repackSuppose you have aspell installed on you system . Rebuild the package as below.# dpkg-repack aspellNow look at your current directory. You will seeaspell_0.60.6-1_i386.debdpkg-repack will work only as root.

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[ How to ] Automatically unlock the gnome keyring

Installing the Package
We’ll need one tiny package for this to be supported. Using your favorite package manager install libpam-keyring, or use the following command:
sudo aptitude install libpam-keyring
Configuring PAM
Once this is installed we need to add a few lines to a configuration file. Follow this next step carefully. If you put the line in the wrong place it may cause problems with

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[How to] boot from Linux ISO FILE using Grub 2

Edit /etc/grub.d/40_custom and add the below entry

menuentry "Karmic Live CD (sdaX)" {
loopback loop (hd0,X)/my-ISO/ubuntu-9.10-desktop-i386.
iso
linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=/my-ISO/ubuntu-9.10-desktop-i386.iso
initrd (loop)/casper/initrd.lz
}

The above entry assumes that ubuntu-9.10-desktop-i386.iso is put in sdaX/my-ISO/

After making the entry run
sudo

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[How to ] enable 3D effects in fedora 12 ( constantine ) on a system having ATI graphics card

Fedora 12 provides "out of the box" support for kernel mode-setting with ATI R600/700 series graphics hardware, but it does not provide 3D acceleration by default. However, Red Hat's X developers have made it very easy to enable this 3D support for the ATI Radeon HD 2000, 3000, and 4000 series hardware by just installing a special Mesa package from yum.
To enable the open-source R600/700 3D

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How to change gnome keyring password

Install gnome-keyring-manager. Run it and there will be a "local password for user root." Change that and it will change your keyring password.





Quick and dirty method 
----------------------------


Delete the keyring Data file


Code:rm ~/.gnome2/keyrings/default.keyringor backup:
Code:mv ~/.gnome2/keyrings/default.keyring ~/.gnome2/keyrings/default.keyring.bak

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[ How to ] Linux Encrypted DVD

Suggested Reading 


http://icewalkerz.blogspot.com/2009/10/how-to-create-encrypted-partition-local.html




Create an empty DVD image. The size of the image depends on the media you use (the one in the example works for DVD-R)


dd if=/dev/zero of=dvd.img bs=1000000 count=4700



Mount the image on a loopback device and prepare it for further use with LUKS:


losetup /dev/loop0 dvd.img  

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How to install Moblin Desktop environment on Fedora 12

Moblin is a lightweight Linux desktop environment especially suited for small form computers (netbooks et al).Installation is straightforward.


Using the command lineOpen a terminal (shell).
Install the Moblin group: su -c 'yum install @moblin-desktop'

Using the graphical package managerGo to System > Administration > Add/Remove Software.
Note: the name of the Add/Remove Software application

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How to install Chrome browser on Fedora

Chrome is a browser revolution from Google. It’s built from scratch by Google and has all new features and some innovative ones. Although Google has not yet officially released a Chrome browser that works on Linux, we had shared with you a few ways in which you could possibly install Chromium (the base on which Google have built the Chrome browser) on your

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How to : Time Synchronisation with NTP

ntpdateUbuntu comes with ntpdate as standard, and will run it once at boot time to set up your time according to Ubuntu's NTP server. However, a server's clock is likely to drift considerably between reboots, so it makes sense to correct the time ocassionally. The easiest way to do this is to get cron to run ntpdate every day. With your favourite editor, as root, create a file /etc/cron.daily/

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[ How to ] solve laptop's ACPI related problems in Ubuntu (9.10)

Laptop fan runs constantly under Ubuntu 9.10

Open a terminal
sudo nano /etc/default/grubFind and Edit the following line:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
Add acpi_osi=Linux to the end so it looks like this:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux"
Exit Nano editor with Ctrl+X.  Answer "yes" when asked to save the file
Update grub: 
sudo update-grubReboot to make

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HOW TO increase available space of your partitions - tune2fs

You have probably noticed that when you start your 'System Monitor' (System>Administration>System Monitor) there's a difference between free and available space. Reason for this is the fact that 5% of your partition is reserved for root so if the disk gets full you can boot to recovery mode and have enough room to move around. The thing is that you don't need more than 50MB for this so 5% of

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How to Setup Transparent Squid Proxy Server in Ubuntu

Squid is a fully-featured HTTP/1.0 proxy which is almost (but not quite – we’re getting there!) HTTP/1.1 compliant. Squid offers a rich access control, authorization and logging environment to develop web proxy and content serving applications. This is a short guide on how to set up a transparent squid proxy server. Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. It

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[How to ] Kill the System Beep

System > Preferences > Sound > uncheck "Play alert sounds"

You can try a reboot now .. but. Disabling the PC speaker, in favor of using external speakers, can be more tricky.

Try by opening:-

1.sudo nano /etc/modprobe.d/blacklist.conf
.. and appending the lines:-

1.blacklist pcspkr2.blacklist snd_pcsp
Reboot your Ubuntu PC.

If that doesn't cut it, open:-

1.sudo nano /etc/modprobe.d/

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Remastersys for Ubuntu 9.10 ( Karmic Koala )

Remastersys 2.0.13 released for Ubuntu 9.10 Karmic

There is a new repository as well.

For Karmic and Newer with grub2 - version 2.0.13-1 and up

# Remastersys
deb http://www.geekconnection.org/remastersys/repository karmic/


The webpage has also been updated:

http://www.geekconnection.org/remastersys/ubuntu.html

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[ How to ] open Corel Draw files ( .cdr ) in Linux

sK1 illustration program

sK1 is an open-source illustration program that can substitute professional proprietary software like Corel Draw or Adobe Illustrator*. Currently Linux is our main development platform, but porting on Win32 and MacOS X desktops has been scheduled. sK1 supports professional publishing features, such as CMYK color, separations, ICC color management and press-ready PDF

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[ How to ] mark or highlight lines or important points in pdf files

XournalXournal is a GTK+ application for notetaking, sketching and keeping a journal using a stylus. It can also be used to add annotations to PDF files.
Xournal uses the gtk-print architecture for printing. Xournal also includes a native PDF printing feature.
Xournal includes a PDF file parser compatible with PDF format version 1.4; the compression features of PDF 1.5 are not supported. When

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Philosophy of free software (Video) by Richard Stallman

Download video of Richard Stallman in 2009 FLISOL - hereThe video lasts 28 minutes and this format ogv (free technology for video compression)

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Things to do after installing Ubuntu Linux 9.10 Karmic Koala

So you've just installed Ubuntu 9.10, the cute and cuddly Karmic Koala, but now you're confronted with a most pertinent question, "What do i do now?" Ubuntu is a very complete and full-featured Linux distribution, but no operating system can come with everything you want. There's much more fun to be had in what comes after installing the OS on your machine: now you get to set it up with all the

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Changing the Plymouth Theme in Fedora 11 Leonidas

Plymouth is the new graphical boot system introduced with the release of Fedora 10 Cambridge. It replaced the rhgb (RedHat Graphical Boot) with a snazzier boot screen that supported cool animations. The first version of Plymouth that shipped with Cambridge used a plugin system where each graphical boot animation had to be coded from scratch - something that did not encourage many people to create

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How to change DMA settings

One really common solution to slow, and unreliable playback of DVD is the settings related to DMA which is turn "off" by default.

DMA stands for: Direct Memory Access. DMA allows a piece of hardware to talk directly with the RAM, reading and/or writing independent of the CPU (Central Processing Unit). In other words the hardware can use the system memory, bypassing the CPU, allowing the device

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How to recover/repair lost/damage partitions

TestDisk is a powerful free data recovery software

! It was primarily designed to help recover lost partitions and/or make non-booting disks bootable again when these symptoms are caused by faulty software, certain types of viruses or human error (such as accidentally deleting a Partition Table). Partition table recovery using TestDisk is really easy.


TestDisk can:
    * Fix partition table,

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How to recover deleted pictures and Video files

PhotoRec is file data recovery software designed to recover lost files including video, documents and archives from Hard Disks and CDRom and lost pictures (thus, its 'Photo Recovery' name) from digital camera memory. PhotoRec ignores the filesystem and goes after the underlying data, so it will still work even if your media's filesystem has been severely damaged or re-formatted.

PhotoRec is free

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Ubuntu Karmic : Changes between Grub 1.x and Grub2

Grub Legacy is not present in Karmic. People who upgrade from earlier versions may have the option of keeping Grub Legacy or upgrade to Grub2.

If you upgrade from Jaunty to Karmic you may get an option to keep Grub Legacy.

If you do a new install of Karmic you may install it (Grub2) on the partition instead of MBR and chainload it from existing Grub Legacy.

But I suggest everyone to just learn

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Which Linux Distribution to Choose?

Linux Distribution Chooser is an on line application where you have to answer series of questions, these sets also includes questions on your knowledge on Linux and type of OS you are look for and depending on your answers the application will gives you a list of recommendations on the Linux distributions that best suits your needs.




Do check this out, it's really useful.

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What is Btrfs?

Btrfs (B-tree FS or "Butter FS") is a new copy on write filesystem for Linux aimed at implementing advanced features while focusing on fault tolerance, repair and easy administration. Initially developed by Oracle, Btrfs is licensed under the GPL and open for contribution from anyone.

Linux has a wealth of filesystems to choose from, but we are facing a number of challenges with scaling to the

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How to enable quota on OpenSuse

Quota allows System Administrator to specify limits on two aspects of disk storage: the number of inodes a user or a group of users may possess; and the number of disk blocks that may be allocated to a user or a group of users.

The idea behind quota is that users are forced to stay under their disk consumption limit, taking away their ability to consume unlimited disk space on a system. Quota is

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How to create an Encrypted Partition (local or removable disk)

Attention: following this tutorial will wipe all data from the partition or device you write it to. You cannot encrypt your file system after-the-fact using this method. Be sure you have backups or don’t care about the data being lost if you follow these steps!!!


Step 1:
The first step in the tutorial is installing the cryptsetup utility, which is part of the cryptsetup package. You can search

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Encrypt-Decrypt file using OpenSSL

The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library. The project is managed by a worldwide community of volunteers that use the Internet to communicate, plan, and

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Running Linux on Windows XP

"If Linux runs on every architecture, why should another operating system be in its way? "

Cooperative Linux is the first working free and open source method for optimally running Linux on Microsoft Windows natively. More generally, Cooperative Linux (short-named coLinux) is a port of the Linux kernel that allows it to run cooperatively alongside another operating system on a single machine.

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React Operating System - Another Windows in making

ReactOS is a free, modern operating system based on the design of Windows XP/2003. Written completely from scratch, it aims to follow the Windows architecture designed by Microsoft from the hardware level right through to the application level. This is not a Linux based system, and shares none of the unix architecture.

The main goal of the ReactOS project is to provide an operating system which

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ntop (Monitor Network Traffic) installation/configuration on OpenSuSe

ntop is a network traffic probe that shows the network usage, similar to what the popular top Unix command does. ntop is based on libpcap and it has been written in a portable way in order to virtually run on every Unix platform and on Win32 as well.

ntop users can use a a web browser (e.g. Firefox) to navigate through ntop (that acts as a web server) traffic information and get a dump of the

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Speeding up Linux Using hdparm - Optimize Hard Disk

hdparm is a command line utility for the Linux operating systems to set and view SATA and IDE hard disk hardware parameters. It can set parameters such as drive caches, sleep mode, power management, acoustic management, and DMA settings.

Changing hardware parameters from suboptimal conservative defaults to their optimal settings can improve performance greatly. For example, turning on DMA can in

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File Access Permissions on Linux

File protection with chmod chmod 400 file    To protect a file against accidental overwriting.chmod 500 dir     To protect yourself from accidentally removing,  renaming or moving files from this directory. chmod 600 file    A private file only changeable by the user who entered this command.chmod 644 file    A publicly readable file that can only be changed by the issuing user.chmod 660 file   

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How To Write, Compile and Execute C Programs under Linux

Most Linux and Unix programs are written in C. When you download source for a project, it will often be C or C++ source code. You don't necessarily need to know a darn thing about C or anything else to compile the source if you aren't changing it. It may be helpful for you to understand a bit if you are having problems with the compile, but even that isn't really necessary.

You can type you C

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HowTo Get ClearType like Smooth Fonts in Ubuntu Linux

Turning on ClearType mode if you’re using an LCD monitor helps a lot in improving readability. Ubuntu, by default, doesn’t have ClearType turned on. However, you could achieve really nice font smoothing by just choosing an option in the settings.

In order to turn text smoothing on in Ubuntu, do the following:

    * Go to System > Preferences > Appearance
    * Go to the Fonts tab
    * Under

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Goggles Music Manager (GMM) - Jukebox & Complete Multimedia Player

Goggles Music Manager (GMM) is a free opensource (licensed under GPLv3) music collection manager and player that automatically categorizes MP3, Ogg Vorbis, FLAC, and Musepack files based on genre, artist, album, and song. There is no need to create playlists of any kind. Just select one or more artists and albums to start playing your music.

It supports gapless playback and features easy tag

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Centos 5 Multimedia Howto

Step 1: Add the Rpmforge Repo

rpm -Uhv http://apt.sw.be/redhat/el5/en/i386/RPMS.dag/rpmforge-release-0.3.6-1.el5.rf.i386.rpm

Step 2: Add the Macromedia Repo

rpm -Uhv http://linuxdownload.adobe.com/adobe-release/adobe-release-i386-1.0-1.noarch.rpm

Step 3: Install Multimedia Applications

yum -y install libdvdcss libdvdread libdvdplay libdvdnav lsdvd mplayerplug-in mplayer mplayer-gui

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Backup & Restore MySQL Databases - MySQLDumper

MySQLDumper is a backup & restore management script for MySQL Databases, written in PHP and Perl, which fills this gap and offers a complete control over the databases.

MySQLDumper uses a proprietary technique to avoid execution interruption. It only reads and saves a certain amount of commands and then calls itself via JavaScript and memorizes how far in the process it was and resumes its

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Monitoring Apache Server

Apachetop is a curses-based realtime utility to display information from a running copy of Apache.It is modelled after the standard 'top' utility, and displays information such as the requests pers second, bytes per second and the most popular URLs displayed.It must be run from a machine running Apache, as it works by processing the logfiles found in /var/log/apacheUsing Apachetop:ApacheTop

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Installing Ubuntu without external media

The below method is only applicable if you alread have Linux (any) running, here I am using OpenSuSe 11.1 to install ubuntu-9.04 (Jaunty Jackalope) also you need a seperate partition to install ubuntu. you can also use gparted to create some space for ubuntu.The benefits of installing without external media are that it can save you time if you are already familiar with the process, and you get a

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Monitoring MySQL servers using mytop

MySQL is one of the most important programs on a server, unfortunatly it is also pretty resource intensive. One a server it is not uncommon for a single user or even a query to take up the bulk of the servers cpu cycles. Mytop is a very useful program to see what queries a server is currently processing as well as which user is executing them. Think of mytop as top for mysql. If you see a lot

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Iptraf - Ncurses based LAN monitor

IPTraf is a network monitoring utility for IP networks. It intercepts packets on the network and gives out various pieces of information about the current IP traffic over it. Information returned by IPTraf include: * Total, IP, TCP, UDP, ICMP, and non-IP byte counts * TCP source and destination addresses and ports * TCP packet and byte counts * TCP flag statuses * UDP source and

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Transferring audio/video to iPod

gtkpod is a Graphical User Interface (GUI) for Apple's iPod. It supports the first to fifth iPod generations including the iPod mini, iPod Photo, iPod Shuffle, iPod nano, and iPod Video.It allows you to import your existing iTunes database, add songs, podcasts, videos and cover art, and to edit ID3 tags.The latest version has added a raft of new features including: preliminary support gapless

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[ How to ] Use CentOS repos in RHEL-5 Server

1. Remove "yum-rhn-plugin" package from RHEL, this is used to check
the activation in RHEL.

# rpm -e yum-rhn-plugin

2. Remove the "redhat-release" related packages, this is used to check
the repositories compatibility. usually we can't remove these packages
because they are used by other packages of the system for proper
fuctioning. so we'll use the "--nodeps" parameter to forcely remove
them

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How to allow access to the mail server by individual domains - Sendmail

The access database (normally in /etc/mail/access) allows a mail administrator to administratively allow access to the mail server by individual domains. Each database entry consists of a domain name or network number as the key and an action as the value.Keys can be a fully or partly qualified host or domain name such as host.subdomain.domain.com, subdomain.domain.com, or domain.com. The last

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Gnome 3.0 Reviews – Coming on Ubuntu 10.04, Fedora 13

Gnome 3, which will be available to install in Ubuntu 10.04, Fedora 13 will mark the first radical change to the Gnome Desktop since it’s inception, thanks to it’s “new” interface ‘Gnome-Shell’.
Doing Things BetterOn first glance, the Gnome 3 Desktop doesn’t seem all that different from the current default Gnome set-up.
Gnome 3 Desktop
You’ll notice there is no bottom taskbar and the top panel

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How to set Access/Restrictions on users logins

Time Based RestrictionsThese examples will limit the login times of certain users. See /etc/security/time.conf for more information/examples. In order to place time restrictions on user logins, the following must be placed in /etc/pam.d/login:account required /lib/security/pam_time.soThe remaining lines should be placed in /etc/security/time.conf.1. Only allow user nikesh to login during on

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Free Disk Space by Reducing Reserved Blocks Percentage

In a default install Linux

reserves 5% of the disk space for privileged processes. It is a precautionary measure on part of Linux to keep up even after the file-system is filled up.

With this approach it allows root to conduct administrative activities on the partition and perhaps move some data off. However, this is most critical when the partition contains / or home directories. For pure

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How to set Cron/At Access Control

Cron stores it's enteries in the crontab (cron table) file. This is generally located in your /etc directory. As well, each user on your system can have their own crontab which would be stored in /var/spool/cron/. To edit a users crontab entry, simply log into your system for that particular user and type crontab -e. The default editor for the 'crontab -e' command is vi. Below is the simple

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Fighting Spam mails

Spam is flooding the Internet with many copies of the same message, in an attempt to force the message on people who would not otherwise choose to receive it. Most spam is commercial advertising, often for dubious products, get-rich-quick schemes, or quasi-legal services. Spam costs the sender very little to send -- most of the costs are paid for by the recipient or the carriers rather than by

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Download/Upload files from torrents/Rapidshare or Videos from Youtube using FatRat download manager

FatRat is an open source download manager for Linux written in C++ and built on top of the Trolltech Qt 4 library. It is rich in features and is continuously extended.Features: * HTTP(S)/FTP/ downloads * FTP uploads * RSS feed support + special functions for TV shows and podcasts * BitTorrent support (including torrent creating, DHT, UPnP, encryption etc.) * Torrent search * Support

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Next Generation of the Fastest P2P Program - FrostWire

FrostWire is a peer-to-peer file sharing program for the Gnutella and BitTorrent protocols. FrostWire is written in Java, and is a fork of LimeWire, another popular Gnutella client. Released under the GNU General Public License, FrostWire is free software.Features: * As with LimeWire, FrostWire is written in Java, and is therefore capable of supporting multiple platforms. * While LimeWire is

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How do I add jobs to cron under Linux or UNIX oses?

Cron job are used to schedule commands to be executed periodically i.e. to setup commands which will repeatedly run at a set time, you can use the cron jobs.
crontab is the command used to install, deinstall or list the tables used to drive the cron daemon in Vixie Cron. Each user can have their own crontab, and though these are files in /var/spool/cron/crontabs, they are not intended to be

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Slackware: The boot process

Slackware's boot process maintains the logic of the typical Linux boot sequence, but uses BSD style init scripts instead of the SystemV style more common in other mainstream Linux distro. The main boot sequence actors are always:
- Linux Loader (Lilo by default)
- Kernel (2.4 in Slackware 10)
- Init and its initialization scripts.
Let's explore the involved components in a Slackware 10 boot

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Reducing load on web server by using reverse proxy - squid

Many large organizations use caching proxy servers to save on network bandwidth utilization (and costs) and improve browsing response times. In fact, an entire industry has grown up around caching proxy appliances. But in the open source world, we’ve had one of the most advanced proxy servers for many, many years. Squid (http://www.squid-cache.org) is to caching proxy servers as Apache is to web

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How To Connect To A WPA Wifi Using Command Lines On Debian

First install the package wpasupplicant


aptitude install wpasupplicant


Then we will configure a network, so we create and modify the configuration file:



vim /etc/wpa_supplicant.conf


Complete the file to make it look like that (replacing wifi_name and wifi_key by their real values of course). Press "i" to be able to edit.


network={


ssid="wifi_name"


psk="wifi_key"


}

Then exit and

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How to Connect Wifi card using Command line

To scan wireless networks

sudo iwlist scanning

then change the mode to "managed"

iwconfig wlan0 mode Managed

then to set SSID

iwconfig wlan0 essid your_essid_in_double_quotes

For WEP encryption:

iwconfig wlan0 key wep_kep

And finally,tell the card to request an IP address from the router:

$ sudo dhclient wlan0

---------------------------------------------------------------------------

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Appnr – Install Ubuntu Applications from your Firefox browser

http://appnr.com/

Installing applications in Ubuntu is getting easier and easier. First there is the command line interface, next is the Synaptic Package Manager, followed by Gnome Installer (Add/Remove). Now there is Appnr, a web based tool where you can search and install applications directly on your Firefox.
Appnr makes use of the apturl protocol to initiate the installation process. Since

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How to Easily Mount Your iPhone As An External Drive in Ubuntu

For those who own an iPhone/iPod Touch and at the same time is an Ubuntu (or Linux) users, here’s is a good news. You can now easily mount your iPhone in your Ubuntu without having to jailbreak your phone.
In the past, the dirty but effective way to access the iPhone from your Linux system is via SSH. This requires you to jailbreak your phone and it voids the warranty. With iFuse, you can now

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Visual Browser for Wikipedia

No matter what you think about the quality and nature of Wikipedia articles, there is no denying that the encyclopedia provides an immense knowledge repository full of exciting facts and information.And while you can quickly find an article about a particular topic using Wikipedia’s search capabilities, there are other ways to explore Wikipedia that break away from the traditional search box

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10 Interesting but Lesser known facts about Google

Fact No.1 In 1997, Google’s prototype was named “BackRub” and had this “logo” adopted.Here is the full text of the research paper by Sergey Brin and Lawrence Page



Fact No.2Google.com – The domain was registered on 15 September 1997 (WebArchive info)
Fact No.3The first ever review of the Google Search Engine was done by Danny Sullivan of Search Engine Watch on August 4, 1998. It was titled “

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Data Backup and Synchronization using Conduit

Conduit is a synchronization application for GNOME. It allows you to synchronize your files, photos, emails, contacts, notes, calendar data and any other type of personal information and synchronize that data with another computer, an online service, or even another electronic device. There is no command line required. You are good to go as long as you know how to drag and drop.Installing

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Amarok 2.2 (Sunjammer) released

Amarok 2.2 comes with an almost completely new look and feel. It now has a new layout for the Browser Pane on the left and an easier navigation using "bread crumbs" on top. All elements, the Browser Pane, Context View and the Playlist are dockable widgets, which you can place how and where you like. It is even possible to stack or remove them. Of course it's up to you to change the position,

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Data Encryption With JavaScript: jCryption

Normally if you submit a form and you don’t use SSL, your data will be sent in plain text.In short words jCryption is a javascript HTML-Form encryption plugin, which encrypts the POST/GET-Data that will be sent when you submit a form.jCryption uses the Multiple-precision and Barrett modular reduction libraries for the calculations and jQuery is used for the rest. jCryption is completly free and

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Stop Reinventing Wheel ; Reuse it !!

Don't reinvent the wheel.  It's a cliche for a reason.  And it's true in most aspects of life, especially business.  Very rarely will you want to start from scratch - with anything.
When launching a product or starting a business, would you like to invent plastic again?  How about paper?  The pen?  Of course not.
And yet with web development, many desire to do just that.  They desire to throw

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Setting the SUID/SGID bits

SetUID bit, the executable which has the SUID set runs with the ownership of the program owner. That is, if you own an executable, and another person issues the executable, then it runs with your permission and not his. The default is that a program runs with the ownership of the person executing the binary.The SGID bit is the same as of SUID, only the case is that it runs with the permission of

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Linux Market Share Passes 2%

W3Counter.com just releasted their April market share stats and linux passed 2.16% for the first time ever.

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Operating Systems that power your mobile phones

These days mobile phone markets are flooded with smart phones and they are not only about style statements anymore but also about practicality and more so. Speaking of practicality, we thought of compiling a list of some of the present day Mobile phones Operating system that are actually responsible for making these so called smart phones, smart.
All these OSes have their own pros and cons and

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How to list Open Files and Network Connections

Lsof is a Unix-specific diagnostic tool. Its name stands for LiSt Open Files, and it does just that. It lists information about any files that are open by processes currently running on the system. It can also list communications open by each process.One evident advantage this capability is security. For example, if a spyware or other malware program was sending information from your computer to

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Squid Error : Name error: the domain name does not exist

Problem (example):The requested URL could not be retrievedWhile trying to retrieve the URL: http://intranet/The following error was encountered: Unable to determine IP address from host name for http://intranetThe dnsserver returned: Name Error: The domain name does not exist.This means that:The cache was not able to resolve the hostname presented in the URL.Check if the address is

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Backup & Restore MySQL Databases - MySQLDumper

MySQLDumper is a backup & restore management script for MySQL Databases, written in PHP and Perl, which fills this gap and offers a complete control over the databases.

MySQLDumper uses a proprietary technique to avoid execution interruption. It only reads and saves a certain amount of commands and then calls itself via JavaScript and memorizes how far in the process it was and resumes its

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Installing Wallpaper Clock in Ubuntu

Wallpaper clocks are inherently wallpapers itself which can show live time and date with nice integration. You won't get an idea what it really is until you see it for yourself. Let's see how could you install wallpaper clocks in Ubuntu. I have included some screenshots as well. Check it out.
Screenshots
A quick look on what really is a wallpaper clock.

Stunning isn't it. Here's one more.

Now

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Ubuntu Usplash Boot Theme : Racing Cars

Download it here 

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Increasing Bugzilla attachment size & saving large attachment on filesystem

By default Bugzilla sets the maximum size of attachments and patches to 1 MB.In order to increase this you need to make a change to both Bugzilla and MySQLChange the maxattachmentsize parameters in BugzillaIn Admin login, go to "Parameters" >> Attachments >> maxattachmentsize, here you can change the Attachment Size as your wish as shown in the screenshot belowChange the size of allowed allowed

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Enable Flash Support for Chromium in Ubuntu Linux

Chromium Web Browser( Google Chrome for Linux ie ) has already won a lot of accolades among Ubuntu/Linux users. I am so impressed with this new chromium web browser, that i may even use it as my regular browser. Flash support is not available by default, but by a little bit of tweaking, you can enable it too. Here is how.
Make sure you have installed package flashplugin-nonfree. Best way to know

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Ubuntu Karmic Koala : Features

Yet another major Ubuntu release is on the anvil. It is called Ubuntu 9.10 codenamed Karmic Koala. There is nothing really to get excited about this new release to be frank. And probably no major changes to the user interface. Canonical had promised major changes to the UI for Ubuntu 8.04 Hardy Heron, but even after two more major releases now, no upgrades have shown up yet. Lets take a look at

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Linux Alternatives to Popular Apps

Linux is quickly gaining popularity, but there are still many users afraid to convert as they are not familiar with the applications.

ANIMATION SOFTWARE Blender 3D: Blender 3D is a high-quality, robust animation program with a steep learning curve and the ability to create commercial-quality 3D animations. The software is completely free, with extensive documentation available online for free.

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Install MS True Type Fonts in Fedora

Microsoft's True Type fonts can also be used on Linux. Not only can they improve visibility, they are essential for proper look and layout. The installation is very simple…1) Make sure you have the following rpm-packages installed in your distribution. Any version should do.rpm-buildwgetttmkfdir utilitycabextract utility2) # sudo yum install rpm-build cabextract3) # wget http://

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Create Ubuntu packages (deb)

GiftWrap is made for the artist who wants to share their theme, the developer who wants to share their software, or the common user who wants to install from packages and not source code.It helps you in creating Ubuntu .deb packages by guiding through the process with minimal fuss and maximum automation. GiftWrap also aims to help you in creating high-quality packages by helping you fill in as

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Multimedia Support in Fedora 11

Why doesn’t Fedora support MP3 ‘out of the box’?Fedora cannot include support for MP3 or DVD video playback or recording. MP3 formats are patented, and the patent holders have not provided the necessary licenses. Fedora also excludes other multimedia software due to patent, copyright, or license restrictions, such as Adobe Flash Player and RealNetworks RealPlayer.That doesn’t mean you can’t play

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How to Cut/Split Video using Avidemux

Avidemux is a graphical tool to edit videos. It can open AVI, openDML, MPEG, Nuppelvideo, and BMPs. Most common codecs are supported (M-JPEG, MPEG, DivX, Xvid, huffyuv, WMA, etc.) thanks to libavcodec and libmpeg2. Video can be edited, cut, appended, filtered (resize/crop/denoise), and re-encoded to either AVI (MPEG4/MJPEG) or MPEG 1/2. The Spidermonkey Javascript engine is used to give powerful

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How to Edit PDF Files in Linux - PDFEdit

PDF files are often believed to be locked, requiring a tool from Adobe to edit or modify. That said, on Linux you can do almost anything with them using a simple software tool: PDFEdit. A combination of a good graphical interface and the power to edit the raw PDF file, PDFEdit is an open source project that gives you the ability to work with any PDF document you wish.PDFedit is primary created

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My Favorite photo of Richard Stallman

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Increase the booting speed of Fedora

Initng is a full replacement of the old and in many ways deprecated sysvinit tool. It is designed with speed in mind, doing as much as possible asynchronously. In other words: It will boot your unix-system much faster, and give you more control and statistics over your system.The basic premise is that startup commands can be launched as soon as their dependencies are met. This limits the effect

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Configure YUM to exclude package upgrades

Yum is an automatic updater and package installer/remover for rpm systems. It automatically computes dependencies and figures out what things should occur to install packages.

And many times its required that when you run the system/package updates you don't want to upgrade certain package and for this just add an exclude line to the end of your [main] section in /etc/yum.conf, and you are done.

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How To do "Man in Middle" Attack using Ettercap

"Man in Middle" Attack is a form of active eavesdropping in which the attacker makes independent connections with the victims and relays messages between them, making them believe that they are talking directly to each other over a private connection when in fact the entire conversation is controlled by the attacker. The attacker must be able to intercept all messages going between the two

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WineXS - GUI (Graphical User Interface) for Wine

Wine makes it possible to run Windows programs alongside any Unix-like operating system, particularly Linux. At its heart, Wine is an implementation of the Windows Application Programing Interface (API) library, acting as a bridge between the windows programs and Linux.

Think of Wine as a compatibility layer, when a Windows program tries to perform a function that Linux doesn't normally

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[Debian] Boot Splash theme for Ubuntu

Download it here 

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How to disable loading of unnecessary kernel modules

What exactly is a kernel module? A Kernel Module is a program that is not actually compiled into the Linux kernel but is loaded separately. Kernel modules enable you to extend the capabilities of the kernel without the need to build extra functionality directly into the kernel image. A good example is the device driver.There are certain advantages with using kernel modules as opposed to having

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Front-end for the ClamAV antivirus toolkit - klamav/Clamtk

One of the more popular Linux anti-virus tools is ClamAV. But to most users (especially new users) ClamAV is a bit challenging to use. That is where KlamAV comes in. KlamAV does an outstanding job of making ClamAV a user-friendly tool.Before using klamav you need to have Clamav antivirus installed:To install ClamAV on your ubuntu, open the terminal and type: sudo apt-get install clamav OpenSuse

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Microblogging client for Twitter, Jaiku, Facebook, Flickr, Digg, and RSS - Gwibber

Gwibber is an open source microblogging client for GNOME developed with Python and GTK. It supports Twitter, Jaiku, Facebook, Identi.ca, Digg, Flickr, and RSS.Gwibber can post and receive messages from multiple social networking services, including Twitter, the open source Twitter variant, Identi.ca, Laconi.ca, Digg, Pidgin, Facebook, Flickr, Ping.fm, Jaiku and RSS/Atom feeds.It comes packaged

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Twitter client for KDE 4.2 - KDEtwitter

KDEtwitter is a Twitter widget in KDE 4.2 which allows you to quickly: * Post messages directly from your desktop, without accessing your Twitter home page * Get notified when you receive updatesYou don’t have to configure anything other than your account and the password associated with it and you’re ready to tweet.When you click Add Widgets (on top right corner of your desktop), a window

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KDE desktop Blogging Client - KBlogger

KBlogger is a simple to use blogging application for the K Destkop Environment. KBlogger integrates in KDE Kicker for easy and fast blogging or is available as a standalone application for KDE 4. The Interface is slick and tries to provide all features support on the server side for your convenience. Just configure your blog, load the editor and start writing.Installation:OpenSuse user can use "

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Kool Ubuntu GDM Themes

Ubuntu BlackCLICK HERE TO DOWNLOAD Ubuntu SkyCLICK HERE TO DOWNLOAD Underground UbuntuCLICK HERE TO DOWNLOADUbuntu WoodCLICK HERE TO DOWNLOADUbuntu LeafCLICK HERE TO DOWNLOADUbuntu BlueCLICK HERE TO DOWNLOADUbuntu MetalCLICK HERE TO DOWNLOADUbuntu NuovumCLICK HERE TO DOWNLOADUbuntu V-TECCLICK HERE TO DOWNLOADUbuntu 3DCLICK HERE TO DOWNLOADUbuntu RustCLICK HERE TO DOWNLOADEnergy BlissCLICK HERE

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Searching files using catfish

Catfish is a handy file searching tool for linux and unix.Basically Catfish is a frontend for different search engines (daemons) which provides a unified interface. The interface is intentionally lightweight and simple, using only GTK+ 2. You can configure it to your needs by using several command line options.At present Catfish supported backends are find, (s)locate, doodle, tracker, beagle,

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Block ssh brute force attack on OpenSuSe

A brute force attack consists of trying every possible code, combination, or password until you find the right one.As an example, imagine a system which only allows 4 digit PIN codes. This means that there are a maximum of 10,000 possible PIN combinations.From the example above, PIN security could be increased by: * Increasing the length of the PIN * Allowing the PIN to contain characters

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How to calculates CRC checksum and the byte count for file(s)

cksum prints the CRC checksum for each file along with the number of bytes in the file, and the file name unless no arguments were given.cksum is typically used to ensure that files transferred by unreliable means have not been corrupted, by comparing the cksum output for the received files with the cksum output for the original files (typically given in the distribution).The CRC algorithm is

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Archiving, Encryption and File split tool - PeaZip

PeaZip is a cross-platform portable file archiver, released under LGPL.PeaZip supports many different archive and compression formats including: 7z, 7z-sfx, ARC/WRC, BZ2, GZ, LPAQ, PAQ, PEA, QUAD, split, TAR, UPX, ZIP; Read: 7Z, ARC/WRC, ACE, ARJ, BZ2/TBZ2, CAB, CHM, CPIO, DEB, GZ/TGZ, ISO, JAR/EAR/WAR, LZH, NSIS, OOo, PAK/PK3/PK4, PAQ, PEA, PET/PUP, QUAD, RAR, RPM, SLP, split, TAR, U3P, WIM,

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DenyHosts Installation and Configuration on OpenSuSe

DenyHosts is a script intended to be run by Linux system administrators to help thwart SSH server attacks (also known as dictionary based attacks and brute force attacks).If you've ever looked at your ssh log (/var/log/secure on Redhat, /var/log/messages on OpenSuSe, etc...) you may be alarmed to see how many hackers attempted to gain access to your server. Hopefully, none of them were

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Hiding secret data into image and audio files (OpenSuSe)

Steghide is a steganography program that is able to hide data in various kinds of image and audio files. The color-frequencies (for image files) or sample-frequencies (for audio files) are not changed, thus making the embedding resistant against first-order statistical tests.Features include: * Compression of embedded data * Encryption of embedded data * Embedding of a checksum to

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Complete and Reliable Password Manager - KeepassX

KeePassX is a password manager or safe which helps you to manage your passwords in a secure way. You can put all your passwords in one database, which is locked with one master key or a key-disk.

This means that you only have to remember one single master password or insert the key-disk to unlock the whole database. The complete database is always encrypted either with AES (alias Rijndael) or

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Mac4lin - Give that Mac OS X look to Linux

Mac4Lin is best Mac like User Interface for Gnome and Xfce desktops like Ubuntu/Xubuntu, Fedora, Debian and others, that will take care of absolutely everything (from icons, themes to usplash – loading window at start) to look just like Mac. With this package comes: dock, the GTK theme, Emerald theme (3d window borders), new icons, new wallpapers, taskbar image, GDM themes, cursors, themes for

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Port Forwaring in a network containg 2 routers [or modem and a router]

Here in this case Forwarding should be done from Modem to 192.168.100 and from Router to 192.168.2.200 [Click on the image to get an enlarged view ]

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Query Apache logfiles via SQL

The Apache SQL Analyser (ASQL) is designed to read Apache log files and dynamically convert them to SQLite format so you can analyse them in a more meaningful way. Using the cut, uniq and wc commands, you can parse a log file by hand to figure out how many unique visitors came to your site, but using Apache SQL Analyser is much faster and means that the whole log gets parsed only once. Finding

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Multi-protocol, Multi-source, Fast and Reliable Download Utility - aria2

aria2 is a multi-protocol & multi-source, cross platform download utility. The supported protocols are HTTP(S), FTP, BitTorrent (DHT, PEX, MSE/PE), and Metalink.aria2 can download a file from multiple sources/protocols and tries to utilize your maximum download bandwidth. It supports downloading a file from HTTP(S)/FTP and BitTorrent at the same time, while the data downloaded from HTTP(S)/FTP

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How do Flush DNS Cache in Linux

Most DNS cache the results of name resolution requests. This speeds up name resolution if multiple lookups are done to the same address, such as is common when browsing the web.Sometimes a bad DNS entry will be cached and you will need to either flush the DNS cache to get rid of it, or wait up to 24 hours for it to be dropped from the cache automatically.In Linux, the nscd daemon manages the DNS

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Auto reboot after kernel panic

When a kernel encounters certain errors it calls the "panic" function which results from a unrecoverable error. This panic results in LKCD (Linux Kernel Crash Dump) initiating a kernel dump where kernel memory is copied out to the pre-designated dump area. The dump device is configured as primary swap by default. The kernel is not completely functional at this point, but there is enough

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Improving filesystem read performance using "noatime"

Linux records information about when files was last accessed. There is a cost associated with recording the last access time. The ext3 file system of Linux has an attribute that allows the super-user to mark individual filesystem to ignore recording of last access time. This may lead to significant performance improvements on often accessed frequently changing files such as the contents of the

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Windows "Screen Of Death" now on Linux (GDM Theme)

Here is fantastic GDM Theme based on the famous M$ Screen Of Death.Download "Screen Of Death" GDM

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Limit the CPU usage of an application (process) - cpulimit

cpulimit is a simple program that attempts to limit the cpu usage of a process (expressed in percentage, not in cpu time). This is useful to control batch jobs, when you don't want them to eat too much cpu. It does not act on the nice value or other scheduling priority stuff, but on the real cpu usage. Also, it is able to adapt itself to the overall system load, dynamically and

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Squid Authentication using RADIUS

Radius is a server for remote user authentication and accounting. Its primary use is for Internet Service Providers , though it may as well be used on any network that needs a centralized authentication and/or accounting service for its workstations.In this article I wont go into detail about installation and configuration of RADIUS or Squid server and will assume that both are installed and

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Linux users love Google, ignore Bing

It’s therefore somewhat telling that Linux users overwhelmingly choose Google as their preferred search engine, according to data released today by Chitika, an online advertising network. Chitika analyzed data from 163 million searches across its advertising network between July 30 and August 16, and came up with the following: Despite the concerns about Google and privacy and despite Microsoft’

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Getting System Information (OpenSuSe) - phpSysInfo

phpSysInfo is a PHP script that displays information about the host being accessed.It will displays things like Uptime, CPU, Memory, SCSI, IDE, PCI, Ethernet, Floppy, and Video Information.Why I need the phpSysinfo?, Like the description above. I need to know everything about the server with one click and the important is I could check them with the browser. So, now the phpSysinfo is the best

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Maemo : Nokia 's Linux Powered Mobile

A web browser like no other The powerful Maemo Browser has a fast Mozilla engine and gives you full access to rich interactive content – just like a browser on your home computer.Maemo Browser

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