Friday, November 30, 2012

UFRaw: read and manipulate raw images from digital cameras

The Unidentified Flying Raw (UFRaw) is a utility to read and manipulate raw images from digital cameras. It can be used on its own or as a Gimp plug-in. It reads raw images using Dave Coffin's raw conversion utility - DCRaw. UFRaw supports color management workflow based on Little CMS, allowing the user to apply ICC color profiles.

Sunday, August 19, 2012

How Linux is Built

While Linux is running our phones, friend requests, tweets, financial trades, ATMs and more, most of us don't know how it's actually built. This short video takes you inside the process by which the largest collaborative development project in the history of computing is organized. Based on the annual report "Who Writes Linux," this is a powerful and inspiring story of how Linux has become a community-driven phenomenon. More information about Linux and The Linux Foundation can be found at and

Friday, July 20, 2012

GIMP Magazine Launches Fall 2012, it's free

GIMP Magazine features the amazing works created from this world wide community of GIMP. Photography, digital arts, graphic arts, design, tips & tricks, step by step tutorials, master classes, help desk questions, book and product reviews and so much more are showcased and explored in this quarterly publication. This publication is available for free and is licensed Creative Commons CC-AT-SA 2.5.

GIMP Magazine

Issue #1 is complete and will launch in the Fall 2012. It is exactly 50 pages using a traditional 8.125″ x 10.75″ magazine style layout that is best viewed using facing page mode. it will be released in a standard screen resolution PDF, an elegant PDF viewing experience through and the ePub version is already in the works. All of this will be accessible from our website at:

Saturday, July 14, 2012

locate: Linux command to find files and directories


locate [optionspattern
Search database(s) of filenames and print matches. Matches include all files that contain pattern unless patternincludes metacharacters, in which case locate requires an exact match. *, ?, [, and ] are treated specially; / and . are not. Searches are conducted against a database of system contents that is updated periodically. To update the database, use the updatedb command.


-d path--database=path
Search databases in pathpath must be a colon-separated list.
Print a help message and then exit.
Print version information and then exit.

Friday, May 4, 2012

lsusb: list PCI buses and devices

lspci is a command on Unix-like operating systems that prints detailed information about all PCI buses and devices in the system. It is based on a common portable library libpci which offers access to the PCI configuration space on a variety of operating systems.

lsusb:  list PCI buses and devices

Monday, March 26, 2012

traceroute - display and measure the route (path)

traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. ~ Wikipedia.


Monday, March 12, 2012

Saturday, March 3, 2012

Oracle Linux

Oracle Linux
Oracle Linux is an open source operating system available under the GNU General Public License (GPL) and is available for free download through Oracle E-Delivery . Oracle offers 24x7, global support for Oracle Linux through a paid subscription.

Oracle Linux offers two Linux kernels to choose from:
• The Red Hat Compatible Kernel, for those who prefer strict Red Hat compatibility or
• The new Unbreakable Enterprise Kernel, for those who want to leverage the latest features in Linux and boost performance and scalability.


Sunday, February 26, 2012

Linux command - uname: Print certain system information

The linux command uname print system information.

Usage: uname [OPTION]...
Print certain system information. With no OPTION, same as -s.


Sunday, February 19, 2012

VLC media player, 2.0.0 released

VLC media player
VLC is a free and open source cross-platform multimedia player and framework that plays most multimedia files as well as DVD, Audio CD, VCD, and various streaming protocols.

Wednesday, February 8, 2012

Edit PDF on Linux, using PDFedit

Complete editing of pdf documents is made possible with PDFedit. You can change either raw pdf objects (for advanced users) or use predefined gui functions. Functions can be easily added as everything is based on a scripts.

Scripting is used to a great extent in editor and almost anything can be scripted, it is possible to create own scripts or plugins.

PDFedit can be installed in Ubuntu Software Center directly, by searching PDFedit.


Tuesday, January 31, 2012

Ubuntu Developer Week - January 31st - February 2nd 2012

In just five years, Ubuntu has become the most popular Linux distribution in the world with millions of users. Ever wondered how Ubuntu development works? How to get involved yourself? Find out from January 31st 2012 to February 2nd 2012!

Ubuntu Developer Week is a series of online workshops where you can:
  • learn about different packaging techniques
  • find out more about different development teams
  • check out the efforts of the world-wide Development Community
  • participate in open Q&A sessions with Ubuntu developers
  • much more...

Know more:

Friday, January 20, 2012

Mount iso on Ubuntu Linux 11.10

Gmount-iso can be installed using in Ubuntu Software Center, by search "gmountiso".

Gmount-iso is a small tool written using PyGTK and Glade. It allows you to easily mount your cd images. This is a frontend to the 'mount -o loop -t iso9660 foo.iso /mountpoint' command

Thursday, January 19, 2012

How to check installed GNOME shell version

To check the installed GNOME Shell version, enter the command in Terminal.
$ gnome-shell --version
gnome-shell --version

Friday, January 13, 2012

NASA launch

NASA launch (at January 4, 2012), the latest member of the open NASA web family. Through this website, NASA will continue, unify, and expand NASA’s open source activities. The site will serve to surface existing projects, provide a forum for discussing projects and processes, and guide internal and external groups in open development, release, and contribution.

Saturday, January 7, 2012

recordMyDesktop: Captures audio-video data of a Linux desktop session

recordMyDesktop produces an ogg-encapsulated theora-vorbis file.

recordMyDesktop tries to be as unobstrusive as possible by proccessing only regions of the screen that have changed.

To install recordMyDesktop, seaarch "recordMyDesktop" in Synaptic Package Manager, and mark both "recordMyDesktop" and "gtk-recordMyDesktop" for installation, and click Apply.

Install recordMyDesktop and gtk-recordMyDesktop

To start the application in Ubuntu 11.10: enter "Desktop recorder" in Ubuntu launcher, the application "Passwords and Keys" will come out.
Desktop recorder

Friday, January 6, 2012

Unlock Login Keyring

After updated to Ubuntu 11.10, I am always prompted to "Enter password to unlock your login keyring" in power-up. I don't know what happen on my machine!

Enter password to unlock your login keyring

One of the un-recommended solution is using a blank login password.

Steps to set login password blank (for Ubuntu 11.10):

- Start "Passwords and Keys": enter "password" in Ubuntu launcher, the application "Passwords and Keys" will come out.
Passwords and Keys

- Right click "Passwords:login", and select "Change Password".
Change Login password

- Enter Old Password and leave the new Password and Confirm blank. And click OK.
Change blank password

- Please take attention here!!! By choosing to use blank password, your stored passwords will not be safely encrypted. They will ne accessible any anyone with access to your files.
By choosing to use blank password, your stored passwords will not be safely encrypted. They will ne accessible any anyone with access to your files.

If you accept the risk, click "Use Unsafe Storage" to finish.