Now Obtain a Master Degree in FOSS (India Only)

Anna University, Chennai, India have recently launched a  new two-year online distance education programme, students can pursue an M.Sc in FOSS. This programme is the only degree from a leading Indian technology-focused university that’s specifically being awarded for studies in FOSS.

In the process of becoming a computer science professional through this programme, one also masters a wide range of products, tools, technologies and approaches thrown up by the FOSS movement. Moreover, it is the only such programme from a leading Indian tech university delivered entirely online.

It has the benefits of flexible interactive learning unconstrained by geographical limitations and is specially suited for those who are already working.

Here is the official advertisement of the announcement for the first batch for MSc (CS-FOSS). MSc (CS-FOSS) is a four semster course available for all Engineering and Science graduates with atleast one subject of Mathematics for one year. Admissions will be done twice a year, every year.

Details about curricula are available here.

Last date for the submission of the application for the first batch is April 09, 2012.

The Fee Structure is,

Payable at the time of admission

i. Rs.29, 500/- (for candidates whose Bachelor Degree is from a University in Tamil Nadu).

ii. Rs.30, 000/- (for candidates whose Bachelor Degree is from a University outside Tamil Nadu)

Payable every Semester (From Second Semester to Final Semester)

Rs. 25,000/- per Semester.

1st of March and 1st of September will be the date of commencement for collection of fee for the Semester concerned.

Interested candidates can apply online from here.

Get ready to become a FOSS Scholar :)

 

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Real-time Linux: Installation on Ubuntu

A real-time operating system (RTOS) is an operating system (OS) intended to serve real-time application requests.

A key characteristic of an RTOS is the level of its consistency concerning the amount of time it takes to accept and complete an application's task; the variability is jitter.

An RTOS has an advanced algorithm for scheduling. Scheduler flexibility enables a wider, computer-system orchestration of process priorities, but a real-time OS is more frequently dedicated to a narrow set of applications. Key factors in a real-time OS are minimal interrupt latency and minimal thread switching latency; a real-time OS is valued more for how quickly or how predictably it can respond than for the amount of work it can perform in a given period of time.

 An RTOS is used in many Industrial applications such as

Military: For gathering data from a wide variety of real time sensors (satellite,air,surface,subsurface) and delivering it to analysis capabilities and weapon systems

Telecommunications: Real Time access to information from vast array of devices including computers,set top boxes,PDAs,Pagers and wireless phones.

Aviation: Improved real time capabilities will increase safety and efficiency by identifying dangerous situations and enabling flexible routing to relieve congestion and prevent collisions.

Automotive: Commuters will receive real time data , GPS location information and operational data via ground stations and satellites , thus routing the driver around accidents , roadwork or traffic congestion in real time.

Scientific: For monitoring and instrument control.eg.seismic information is increasingly distributed on a vast scale ,enabling scientist to verify even small scale nuclear detonations as well as helping smaller remote countries prepare for weather and seismic disasters.

The linux-realtime package available for latest Ubuntu versions can bring real-time capabilities to Ubuntu Linux. The remainder of this article will covers in detail installation of linux-realtime package for Ubuntu so that it can be used for real-time application development efforts.



Installing Linux-Realtime in Ubuntu

Linux-Realtime can be installed on both 12.04 and older versions of the Ubuntu distribution. For Ubuntu 12.04 (Precise Pangolin) you can directly add the PPA from the following command.

• $ sudo add-apt-repository ppa:abogani/realtime

For Ubuntu 11.10 or older you need to edit the sources.list file to add the repositories manually.

• $ sudo gedit /etc/apt/sources.list

Then append the following lines at the end of the file

deb http://ppa.launchpad.net/abogani/realtime/ubuntu precise main
deb-src http://ppa.launchpad.net/abogani/realtime/ubuntu precise main

Save the file and update the apt repositories

• $ sudo apt-get update

You are now ready to install the Linux-Realtime on your Ubuntu system

• $ sudo apt-get install linux-realtime

(Last two steps are also valid for PPA method in Ubuntu 12.04)

This will update the Linux kernel to the version 3.2 with realtime version. With the Previous version of your linux kernel intact which you can choose from the grub boot menu at the boot time.

Note: Booting into Real-time Linux is not recommended for day to day work on Ubuntu as the performance with Real-time Linux is slightly slow and sluggish with normal desktop environments (such as gnome, unity etc) and apps than with the normal kernel OS.

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Gnome 3.4 released Install through PPA

The GNOME Release Team has announced the availability of GNOME 3.4. This latest version comes six months after the last GNOME release and includes major new features, significant updates to a host of GNOME applications, and a huge number smaller fixes and refinements.

GNOME 3.4 introduces a range of new features. A new document search facility allows quick access to content stored both on your device and online. Smooth scrolling means that moving through content is slick and graceful. New application menus, which are located on the top bar, provide a useful way to access application options and actions.

Full details of the changes found in GNOME 3.4 can be seen in the release notes.

Installing Gnome 3.4 via PPA

• $ sudo add-apt-repository ppa:gnome3-team/gnome3

• $ sudo add-apt-repository ppa:ricotz/testing

• $ sudo apt-get update

• $ sudo apt-get dist-upgrade

• $ sudo apt-get install gnome-shell

 Enjoy!

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Takeoff: Brings Slingshot Launcher on KDE Desktop

I have written a post about Slingshot Launcher and how to configure it on XFCE. Slingshot is an application which can display fullscreen menu. Slingshot was originally developed by Elementary OS team. If you are using KDE desktop, you can perform such task by using Takeoff. Takeoff is a plasma widget which inspired in the aspect of Slingshot, and of course, it can display menu in fullscreen mode just like Slingshot.

Install Takeoff on various Linux distributions
Ubuntu
Add this PPA to your system:

• sudo apt-add-repository ppa:ferramroberto/oneiricextra
• sudo apt-get update
• sudo apt-get install takeoff

Fedora 15
Download and install this packages:
https://build.opensuse.org/package/show?package=takeoff&project=home%3AFaster3ck%3Afasterindesign

openSUSE
Install Takeoff from the official repository:

• sudo zypper addrepo http://download.opensuse.org/repositories/KDE:Extra/openSUSE_11.4/KDE:Extra.repo
• sudo zypper refresh
• sudo zypper install plasmoid-takeoff

For other distributions such as Arch Linux, Chakra Linux, or download source code for manual compiling, please click here.

Once Takeoff successfully installed, add the widget to your KDE desktop!

Enjoy :)

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GCompris: Free Educational Game for Children

GCompris is a high quality educational game contains many educative activities for children aged 2 to 10 years old. It divided into some categories, each category contains many activities:

• computer discovery: keyboard, mouse, different mouse gesture, ...
• algebra: table memory, enumeration, double entry table, mirror image, ...
• science: the canal lock, the water cycle, the submarine, electric simulation ...
• geography: place the country on the map
• games: chess, memory, connect 4, oware, sudoku ...
• reading: reading practice
• other: learn to tell time, puzzle of famous paintings, vector drawing, cartoon making, ...

Gcompris supports many languages such as English, Bahasa Indonesia, Arabic, French, Portuguese, etc. In GCompris, a special attention is made to keep the user interface simple and the graphics pleasant. While simple, GCompris is very addictive for the children, even the youngest. The child can discover the activities alone, but the help of a parent or teacher can be needed to help the child go further.

Install GCompris on Ubuntu
GCompris is available on official Ubuntu repository, so you can type the following command to install it:

• sudo apt-get install gcompris gcompris-sound-id tuxpaint gnucap gnuchess

It will install the most out of GCompris including extra activities. Please change "gcompris-sound-id" with your desired language code e.g. "gcompris-sound-en" for English or "gcompris-sound-ar" for Arabic.

GCompris is also available for Windows and Mac OSX users, please click here to go to the download page.

Let's play :)

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Ubuntu User Surveys 2012 Result (Compilation)

Canonical has held an user survey which aim to build a picture of how people really discover Ubuntu, have you taken the survey ?.

Ubuntu user survey 2012 has finally closed and the result has already published through canonical blog, the result is divide into 3 part, here the compilation of part 1, part 2, and part 3 (click the image to get larger) :

Where Most of Ubuntu Users Are ?
This result is simply representative where most Ubuntu users live, the result show 21% Ubuntu user live in the US.

Is Ubuntu Easy to Install ? 
Ubuntu is very easy to install ?, yes of course, at least that's the survey results.

How did they hear about Ubuntu ?
So do people who have come to the platform more recently discover it in different ways to to the those who have been on the platform longer?  see the result :

Source	< 2 years	2-4 years	5 years or more
Magazines, etc	6.9%	7.9%	9.4%
Work	3.9%	4.8%	4.9%
Friends/Family	27.2%	25.2%	20.5%
School/College	11.7%	11.2%	8.9%
Forums, irc etc	46.2%	48.5%	54.8%
Social Media	4.2%	2.4%	1.5%

Which Ubuntu product get most attention?
Of some products that have been/will be released by ubuntu (canonical) Ubuntu for android get the most attention to the user.

Willingness to purchase Ubuntu on a new device
Without specifying the device therefore including PCs, netbooks etc we see the willingness to buy,  by age in ascending of willingness.

Which OS that user Install except Ubuntu ?
this survey aim to get a picture of other operating systems that ubuntu user use. Some OSes are specific to certain types of devices so we see a picture of Ubuntu users preferred mobile devices also. From the result we known that Windows still dominate.

Conclusion
Here the conclution of the survey that pronounced by canonical :

So the survey is telling us  that there is a strong propensity in the user base to buy an Ubuntu machine and perhaps not a single machine but multiple devices featuring Ubuntu. This propensity only seems to get stronger in Latin America and Iberia. Given the heterogeneity of OS usage it is also important to make sure that we continue to develop a platform that plays nice with others which seems to be correctly prioritised on the product roadmaps.

I should say that it is taking me slight longer to extract these data sets and write the blog posts than I expect so we will have to push the remaining one until tomorrow. Thank you also for the comments so and I will continue to respond to them as I can. Final installment tomorrow.

Go Ubuntu, more and more :)

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Solution for APT Error: "E: The package NAMA needs to be reinstalled, but I can’t find an archive for it"

Few days ago, I re-installed VLC which was removed accidentally. Suddenly, my laptop turned off because of my battery, so VLC was not installed correctly and caused a problem when running APT command with error message: "E: The package vlc needs to be reinstalled, but I can't find an archive for it.".

I have never encountered this error message before. Well, I copied the error message to Google search and fortunately, Google gave me everything including the solution for this error message.

And here is the solution:

• sudo dpkg --remove --force-remove-reinstreq NAME

Well, I didn't forget to change NAME with the problematic package in this case, vlc. So, the command should look like this:

• sudo dpkg --remove --force-remove-reinstreq vlc

Once, VLC completely removed, type this command to install VLC again:

• sudo apt-get install vlc

If everything does well, APT can now be used as usual.

Good luck!

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How to Disable Guest Account in Ubuntu

Guest account is default account that exist in Ubuntu which used for additional user which is not registered in the system, Guest account have an access to the desktop, using all application that installed, but having limited access to the system setting. if you feel guest account might not needed may you can disable it, do as follow :

all you need to disable guest account is edit lightdm.conf that located at /etc/lightdm/lightdm.conf , edit lightdm.conf via vi/vim or gedit as illustrated below  (type following command at terminal) :

• sudo gedit /etc/lightdm/lightdm.conf

in my computer, lightdm.conf is looks like the following :

[SeatDefaults]
autologin-guest=false
autologin-user=
autologin-user-timeout=0
autologin-session=lightdm-autologin
greeter-session=unity-greeter
user-session=ubuntu

add following line in the bottom of lightdm.conf :

• allow-guest=false

so it looks like this :

[SeatDefaults]
autologin-guest=false
autologin-user=
autologin-user-timeout=0
autologin-session=lightdm-autologin
greeter-session=unity-greeter
user-session=ubuntu
allow-guest=false

restart the lightdm, do following at terminal

• sudo restart lightdm

yes that's how to disable guest account in Ubuntu..

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Upgrade to Kernel 3.3 in Ubuntu

Few days ago we had covered the release story of the latest Linux kernel in town that is version 3.3, which comes with lots of goody goody features like merging of Android code etc.

So if you are a developer and want to test whats new in the latest offering or a brave and adventures enthusiast who always prefer to walk over the bleeding edge, here is a short guide to upgrading your kernel to version 3.3 without complex compiling procedures.

This guide will help you install Linux 3.3 Kernel under Ubuntu 12.04/11.10 or older.

For Ubuntu (i386 / 32-bit):


Open the terminal and run the following command

• $ cd /tmp && wget -O linux-headers-3.3.0-030300_3.3.0_all.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.3-precise/linux-headers-3.3.0-030300_3.3.0-030300.201203182135_all.deb

• $ sudo dpkg -i linux-headers-3.3.0-030300_3.3.0_all.deb

• $ cd /tmp && wget -O  linux-headers-3.3.0-generic_i386.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.3-precise/linux-headers-3.3.0-030300-generic_3.3.0-030300.201203182135_i386.deb

• $ sudo dpkg -i linux-headers-3.3.0-generic_i386.deb

• $ cd /tmp && wget -O linux-image-3.3.0-generic_i386.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.3-precise/linux-image-3.3.0-030300-generic_3.3.0-030300.201203182135_i386.deb

•  $ sudo dpkg -i linux-image-3.3.0-generic_i386.deb

For Ubuntu (amd64 / 64-bit)

• $ cd /tmp && wget -O linux-headers-3.3.0-030300_3.3.0_all.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.3-precise/linux-headers-3.3.0-030300_3.3.0-030300.201203182135_all.deb

• $ sudo dpkg -i linux-headers-3.3.0-030300_3.3.0_all.deb

• $ cd /tmp && wget -O linux-headers-3.3.0-generic_amd64.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.3-precise/linux-headers-3.3.0-030300-generic_3.3.0-030300.201203182135_amd64.deb

• $ sudo dpkg -i linux-headers-3.3.0-generic_amd64.deb

• $ cd /tmp && wget -O linux-image-3.3.0-generic_amd64.deb http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.3-precise/linux-image-3.3.0-030300-generic_3.3.0-030300.201203182135_amd64.deb

• $ sudo dpkg -i linux-image-3.3.0-generic_amd64.deb

After you finish, reboot your system

• $ sudo reboot

To check updated Linux kernel

• $ uname -r

Output will show the upgraded version of the Linux Kernel.

Warning:  Please upgrade the kernel at your own risk because it may render your system unstable. Additionally, upgrading kernel may cause problems with some installed proprietary drivers of NVIDIA / ATI (AMD) graphics cards, broadcom wireless etc., so be cautious!

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Fu: CommandLineFu.com from the Command Line

Before starting, please let me tell you what CommandLineFu.com is:

Commandlinefu.com is an online repository for recording commandline gems, that you return to again and again

By now, CommandLineFu already has 8,897 commands to get many things done via command line interface (CLI). What is Fu? As simply as its name, Fu is a command line interface which allows us to search, copy, and display information on CommandLineFu.com based on given keyword. For example, you want to what commands related to PDF file, Fu will give you this information:

Installation on Ubuntu
Type the following command to install Fu on Ubuntu:

• git clone git://github.com/samirahmed/fu.git
• cd fu/
• sudo make install

Brief usage instruction
For example, you want to search commands related to PDF file, the command you should type is:

• fu pdf

By default, Fu only displays three commands. If you want to display ALL commands available, type the following command:

• fu -a pdf

In case, there are too many results on the screen, you can limit the number of the search results:

• fu -n 5 pdf

The above command will only display five commands on the screen.
Fu is capable to display URL related to the commands and vote given to it.

• fu -v pdf

Well, if you find any interested command, you can copy it to the clipboard, by typing the following command:

• fu -c number-of-command

Change number-of-command with the number related to the command displayed on screen.

For further information, below is video which shows us how to use Fu, enjoy!




Regards :)

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PeaZip: Full-Featured File Archiver for Linux

PeaZip is a cross-platform file archiver which can extract, create, and convert many popular file archive formats. It can aslo create self-extracting archive, split/join files, strong encryption with two factor authentication, encrypted password manager, secure deletion, find duplicate files, calculate hashes, export job definition as script.

PeaZip features overview:

• Supports packing of 7z, ARC, BZ2, GZ, PAQ, PEA, QUAD/BALZ, TAR, UPX, WIM, XZ, ZIP, and unpacking of over 130 different archive types: ACE, ARJ, CAB, DMG, ISO, LHA, RAR, UDF, ZIPX, and more
• Includes its very own security-oriented PEA format
• AES-256 encryptoin support for 7z, ZIP, and PEA formats
• Integration with GNOME and KDE desktops
• Has portable and command line version too.

Install PeaZip on Ubuntu
Ubuntu users can install this cool application by downloading its DEB installer here. Once downloaded, double click the file or type the following command:

• sudo dpkg -i peazip_4.4.LINUX.GTK2-2_i386.deb
• sudo apt-get -f install

For other Linux distributions, please download the appropriate installer from PeaZip website.

Regards.

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Enemy Territory: Multiplayer First Person Shooter (FPS) Game for Linux

Wolfenstein: Enemy Territory is a First Person Shooter (FPS) game which can run native on Linux. It's a free and opensource online multiplayer game set during World War II and was originally planned to be released as a commercial expansion pack to the popular FPS game Return to Castle and later as a standalone game.

Enemy Territory can be played over the Internet or Local Area Network.  Player interact with each other over a network, in two teams Allies and Axis to defend or destroy mission objectives. There are six classes of character in this game. Each character class has several unique abilities. Those classes are soldier, medic, engineer, field ops, and covert ops.

Install Enemy Territory on Ubuntu
Enemy Territory can be installed on Ubuntu by adding PlayDeb repository:

• echo "deb http://archive.getdeb.net/ubuntu oneiric-getdeb games" | sudo tee /etc/apt/sources.list.d/playdeb.list
• wget -q -O- http://archive.getdeb.net/getdeb-archive.key | sudo apt-key add -
• sudo apt-get update

Once the repository added, type the following command to install Enemy Territory:

• sudo apt-get install enemy-territory

Once installed, you can open Enemy Territory via menu or type "et" (without quotes) in Terminal.

For further information, below is a video shows the gameplay of Enemy Territory. Enjoy!




Let's play :)

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Steve Jobs tried to woo Linus Trovalds to work for Apple and sack Linux

Torvalds has never met Bill Gates, but around 2000, when he was still working at Transmeta, he met Steve Jobs. Jobs invited him to Apple’s Cupertino campus and tried to hire him. “Unix for the biggest user base: that was the pitch,” says Torvalds. The condition: He’d have to drop Linux development. 


“He wanted me to work at Apple doing non-Linux things,” he said. That was a non-starter for Torvalds. Besides, he hated Mac OS’s Mach kernel.

I said no,”  Torvalds remembers.

Linux is now the core of  Operating Systems such as Android, Chrome WebOS and a few others. Had A Jobs succeeded hiring Torvalds in 2000, Linux might not have made it to 2012.

Here is a Video of Linus Trovalds talking about Apple and Steve jobs

Source: Linus Torvalds: The King of Geeks (And Dad of 3)

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The History of Open Source Software [Infographic]

Open source is ubiquitous in today’s software market. Most major companies use at least some open source to run their business, and their proclivity for doing so is only rising as the years go on. Learn just how old the open source concept is and see where its bright future is headed.

Via SourceNinja  

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Funny Flow Chart for Choosing an Open Source Licensing scheme

If you are open source developer or thinking to start a project in open source you must have asked this question to yourself.

Which Open Source Licensing scheme shall I choose for my Project ?

There are many available choices of the license that can be very confusing and many people simply pick a license without really understanding the meaning or the clauses in the license. Some choose a license by the popularity. Some because a particular license is used in their favorite projects. Even worse, some even choose a license because it looks or sounds cool.

There are many resources on the Web that provide comparison of the available licenses. But here is one quick and funny way to make a choice of open source license for your projects.

Note: If the Image is not readable in the above size, please right click and open the image in new tab for a larger and readable size.

Flow Chart Via SourceNinja

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How to Remote Ubuntu From Windows via VNC

Not only Ubuntu, sometimes we needed to work with other OS like windows in office or somewhere else. When we're not face directly with our computer (Ubuntu), can we monitor it ?, yes, you can !, you can do it via remote desktop connection.

Ubuntu as a part of Linux has provide some ports which commonly used as remote protocol, that is ssh (port 22) and telnet (port 21). If you are accustomed to use terminal you can use both of port above, but if you are not accustomed to, you can do it via VNC.


What is VNC ?
Virtual Network Computing (VNC) is a graphical desktop sharing system that uses the RFB protocol to remotely control another computer. It transmits the keyboard and mouse events from one computer to another, relaying the graphical screen updates back in the other direction, over a network. VNC is platform-independent – a VNC viewer on one operating system may connect to a VNC server on the same or any other operating system, (Wikipedia).

This article will show us how to remote Ubuntu desktop from windows via VNC For the first step, make sure that gsettings is already installed, in my computer (Ubuntu 11.10) gsetting has already installed by default, but if not do as follow to install gsetting in Ubuntu :

• sudo apt-get install libglib2.0-bin

Second, Open terminal and execute following commands in order to allow other computers to access your computer.

• gsettings set org.gnome.Vino enabled true

third, Download and install VNC Viewer on Windows then run it. Put the address of your computer in server field then click OK, wait until the remote computer (Ubuntu) authenticate the connection.

VNC Viewer (Windows) make a connection to Ubuntu

Remote computer (Ubuntu) is asking permission, to get connected, you can click "refuse" to deny the connection.

Remote computer (ubuntu) is asking a Permission

if connect successfully, VNC (Windows) will display remote computer desktop, see screenshot.

The display of Ubuntu desktop From Windows

If you want guest/any computer could connect to your desktop (Ubuntu) without asking any permission (automatically connect without login prompt), do following in terminal :

• settings set org.gnome.Vino prompt-enabled false

this is end of article How to remote ubuntu desktop from windows trough VNC, hopefully help you ..

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Jolicloud Me: Your Personal Cloud

Tariq Krim, Founder and CEO Joli Cloud and Netvibes yesterday announced the launch of their new cloud service called Jolicloud Me.

Jolicloud is best known for its lightweight Ubuntu based cloud-focused operating system on desktop and a Mobile & web based service.

Jolicloud Me, a new addition to the Jolicloud family.

Jolicloud Me will provide three features to help keep track of your images, videos, music, links and documents.

 A ‘Personal Search’ engine will let you track down individual files. A ‘Cloud Library’ automatically sorts all the items you have stored in multiple services, arranged by media type, time or location in real-time. Finally, ‘Collections’ allows you to pull together groups of content from different services, in multiple formats either for personal convenience or to share with friends.
 

At the London Web Summit today, Tariq Krim, CEO of Paris-based Jolicloud unveiled that Jolicloud Me is launching in beta from today on an invite-only basis. You can request an invite here. It will initially by offered as an HTML5 Web app for use in desktop browsers and on the iPad, and as native iPhone and Android apps.

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Red Hat Mobile App

Red Hat Asia Pacific Pte Limited - mobile application. News, events, video, blogs, case studies delivered to your handset.

Featuring server-side configuration and content managed in a simple Drupal web site, hosted on a free Red Hat Openshift Express server.

Developed by Gary Marshall for Red Hat Asia Pacific.

If you use an Android phone, you can download it and give it a try.

What's in this version:

1. Added Red Hat wallpaper download
2. Added a Jobs section
3. Expanded sharing via social media to include sharing via
4. Facebook
5. Twitter
6. Email
7. Improved profile screens to facilitate expanded social media integration.
8. Many other improvements - too many to mention!

You can download the Redhat application from Google Play Android Store.

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Download and Convert YouTube Videos with DamnVid

DamnVid is yet another YouTube video downloader and converter. It's cross platform application to do such tasks. It supports not only YouTube, but many video sharing websites such as DailyMotion, Veoh, Metacafe, etc. DamVid is currently available in English, French, Spanish, Portuguese, and Norwegian.

DamnVid has three main features:
1. Video converter. DamnVid can be used to convert your videos in hard drive or downloaded from video sharing websites.
2. Video downloader. If you need an application to download ONLY without converting, DamnVid can do such task.
3. Video download and converter. DamnVid converts as it downloads, making the whole processes much faster than the other application.

Installation on Ubuntu
Ubuntu (and its derivatives) users can install DamnVid by typing the following command:

• sudo add-apt-repository ppa:damnvid/ppa
• sudo apt-get update
• sudo apt-get install damnvid

If you are using another distribution of Linux, please download DamnVid here.

DamnVid is also available for Windows and Mac OSX, please click here for further information.

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Playterm: Embed Your Terminal Recordings Online

Playterm is a web service which can replay your terminal sessions online, by providing embedcodes which you can put onto your blog, article or website. This is very useful especially for you who often makes tutorials or presentations about Command Line Interface (CLI) in your online articles.

Why you should use Playterm?
There are several reasons to use PLAYTERM, and replay terminal recordings online:

• its extremely educative
• best promotion-tool for CLI application(s) for ALL audiences!
• you can explain, and perform commands at the same time
• its more timesaving and readable than recording a playterm.g, or wink movie
• its timesaving: a tutorial AND showcase at the same time.
• uses less bandwidth then flash(video) solutions
• lightweight javascript embedcode to drop in your blog/article/website
• promote and present your commandline app the web 2.0 way!

Unfortunately, Playterm doesn't allow us to set our own video size. It has only two size of video: 80x24  pixels and 120x35 pixels.

If you are interested in recording your Terminal activity and share it with your friends, you might enjoy using Playterm:

Playterm: Embed Your Terminal Recordings Online

How to record my Terminal activity? Please click here to get the instruction to do so.

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Grumblr: Tumblr Client for Ubuntu

Grumblr is a GTK based Tumblr micro-blogging platform client. With Grumblr you can post text messages, links, quotes, chat logs, upload photos, audio and video files on Tumblr right from your desktop.

Tumblr is a microblogging platform and social networking website, owned and operated by Tumblr, Inc. The service allows users to post multimedia and other content to a short-form blog, named a "tumblelog." Users can follow other users' blogs, as well as make their blogs private.

Installation

In order to install and run grumblr you should have the following packages installed on your system:

• Ruby interpreter
• GTK+ library
• RubyGems gem manager
• Ruby bindings to GTK+ as a gem
• libXml Ruby library
• REST Client gem

You can install required dependencies with the following command

• $ sudo apt-get install ruby rubygems ruby-dev libxml2-dev zlib1g-dev libgtk2.0-dev

To Install grumbler issue the following commands

• $ sudo gem install grumblr  

• $ cd /var/lib/gems/1.8/gems/grumblr-2.4.2  

• $ sudo ruby ./setup.rb

Grumblr can now be launched from the default menu in Unity or Gnome.

Enjoy!

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Linux kernel 3.3 released with Android support

The latest release of the Linux kernel 3.3, is now available, this is the second release of the kernel in 2012 which brings with it the long-awaited merging of code from Google's Android project.

This is what particularly interesting to developers looking to boot Android or run apps on the stock Linux kernel and represents a resolution to the issues that kept the two apart for so long it's not the only new feature included. However optimized power management and other infrastructure that didn't make it this time will arrive in the next release that is 3.4

For a long time, code from the Android project has not been merged back to the Linux repositories due to disagreement between developers from both projects” the Linux 3.3 release notes state. 

“Fortunately, after several years the differences are being ironed out. Various Android subsystems and features have already been merged, and more will follow in the future. This will make things easier for everybody, including the Android mod community, or Linux distros that want to support Android programs.”

Also made into the release are improvements to file systems like Btrfs, memory management, networking, security and much, much more.

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XFE: Windows Explorer Like File Manager for Linux

X File Explorer is a Microsoft Windows like file manager for Linux. Why I should use this application when many excellent file managers already exist? Because it's small, easy-to-use, very fast, lightweight, and only requires the FOX library to be fully functional.

Below are some features of X File Manager (XFE):

• Very fast graphic user interface
• Small memory footprint
• UTF-8 support (through the FOX 1.6 library)
• Integrated text editor (X File Write, xfw)
• Integrated text viewer (X File View, xfv)
• Integrated image viewer (X File Image, xfi)
• Integrated RPM or DEB packages viewer / installer / uninstaller (X File Package, xfp)
• Copy/cut/paste files from and to your favorite desktop (GNOME/KDE/XFCE/ROX)
• Root mode with authentication by su or sudo
• Color themes (GNOME, KDE, Windows, ...)
• Icon themes (Xfe, GNOME, KDE, XFCE, Tango, Windows...)
• Available in 19 languages
• And more ...

Installation on Ubuntu
Ubuntu users can install X File Manager (XFE) on their system by typing the following command:

• sudo apt-get install xfe

For further information about X File Manager (XFE), please click here.

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Wine 1.5 has been released install through PPA

Wine team announces the release of Wine 1.5, this release comes with many improvements and bug fix.

The New features available in the latest release inculde

• New version of the Gecko engine.
• Partial support for using the Trash on Mac OS X.
• Support for path gradients in GdiPlus.
• Various MSXML improvements.
• Fixes to 64-bit exception handling.
• Various bug fixes.

For the complete change log read the announcement page.

Wine is a free and open source software application that aims to allow computer programs written for Microsoft Windows to run on Unix-like operating systems.

Installation of Wine on Ubuntu and Ubuntu derivatives

• sudo add-apt-repository ppa:ubuntu-wine/ppa 

• sudo apt-get update 

• sudo apt-get install wine1.3

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Emulate CD/DVD Images with CDEmu

I have written a post about Mounty, a simple application which allows us to mount CD/DVD images in Linux. Today, I'd like to write a post about CDEmu. What is CDEmu? Please read this quoted sentence:

CDemu is a software suite designed to emulate an optical drive and disc (including CD-ROMs and DVD-ROMs) on the Linux operating system.
CDEmu consists of:

• a kernel module implementing a virtual drive-controller
• libmirage which is a software library for interpreting optical disc images
• a daemon which emulates the functionality of an optical drive+disc
• textmode and GTK clients for controlling the emulator

Installation
Ubuntu users and its derivatives can install CDEmu by typing the following command:

• sudo add-apt-repository ppa:cdemu/ppa
• sudo apt-get update
• sudo apt-get install cdemu-daemon cdemu-client

Once installed, please restart your computer to get CDEmu daemon running or simply run "cdemud" command if you don't want to do so.

Mounting image
In this post, I'll give an example on how to mount image using CDEmu especially with text mode client. Run the following command to mount image with CDEmu:

• cdemu load 0 myfile.cue

The above command will mount "myfile.cue" into "0" virtual device.

Unmounting image
If you want to unmount recently mounted image (on device "0"), simply type the following command

• cdemu unload 0

For more commands available, please refer to CDEmu man page by typing "man cdemu" on Terminal.

Regards :)

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How to reset Ubuntu Password, Having Lost a root Password [Video]

hi everyone, Is you have lost a root password ?
as in the previous today we will show you some ubuntu old trick which can be use when you lose ubuntu root (administrator) password. The following steps also can be used to reset user (non-root) password, but of course you do not need to do this way because you can do simply command passwd through root to reset it, as follows :

• # passwd then enter new password.

Some basic knowledge that you may know, among others :

• Grub (GNU GRand Unified Bootloader) is small application that embedded in MBR which allow us to select multiple bootloader in one PC.
• /bin/bash is a place of bash execution file store.
• /etc/shadow is a file configuration where all password is store (encrypted), you can only modify it trough root.
• /etc/passwd  is a text file, that contains a list of the system's accounts, giving for each account some useful information like user ID, group ID, home directory, shell, etc.
• whoami is linux command to know if you're logged in using which user.
• mount is linux basic command to mounting a file system.

This video is show us how to reset ubuntu password trough 3 ways, from grub, grub2, and trough a live booting (cd or flashdrive), so check this video :

Is video above is pretty helpful, we hope so ?

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Axel: Command Line Download accelerator

You must have read or heard about wget command line download utility. It provides  immense capabilities, but when it comes to accelerating the download speed, wget doesn't provide any option. But Axel is one such tool which do the job of a download accelerator very well.
Axel does the same thing any other accelerator does: it opens more than one HTTP/FTP connection per download and each connection transfers its own, separate, part of the file.

Downloading Axel

For Ubuntu Axel is available in the default apt repositories, open the terminal and issue the following command.

• $ sudo apt-get install axel

Using Axel


Download from multiple locations

• $ axel <url1> <url2> <url3>

This will use all these mirrors to download the file.

Limit the download speed

• $ axel -s 3000000 <url>

Mention the speed in bytes per second.

Limit the number of concurrent connections or threads

• $ axel -n 3 <url>

Change the name of the output file

• $ axel -o output_file.ext <url>

Mentioning a directory will save the file in that directory.

View the download information of each connection or thread

• $ axel -a n 3 <url>

Thanks for reading :-)

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Anonymous OS: Ubuntu based "malicious" OS pulled down amid panic

Earlier this week, someone created a Tumblr webpage for a new operating system called “Anonymous-OS Live.”. However Soon after the operating system became available, the @AnonOps a Twitter account that is believed to speak for Anonymous posted a message saying it was fake and "wrapped in trojans" but despite the warnings, more than 26,000 people still downloaded it.

The creators of the OS denied it was infected with viruses arguing,

In our world, in Linux and opensource world, there are no viruses.

And If any user  believe that Anonymous-OS “is wrapped in trojans” or “backdoored OS by any Law enforcement Company or Hacker” please don’t download it!

But don’t mislead the world that Linux is dangerous and has trojans!

You could download it as a torrent and via direct download, but as of today, only the former option. SourceForge pulled it down.

The 1.36 GB download is based on Ubuntu - one of the most popular versions of the Linux operating system. With Mate Desktop Environment and is pre-loaded with lots of website sniffing and security tools. The software's creators say they put it together for "education purposes to checking the security of web pages".  They also warn not to use any of the tools “to destroy any web page” because doing say may make mean you “end up in jail because is a crime in most countries!”

Here are few of the Screenshots of Anonymous OS  as posted on the tumbler page.

 

Downloading Anonymous OS

The Official Direct Download link from Sourceforge is however taken down earlier this morning but the Anonymous OS is available for download from torrents available here. Adventurous users can download and make a bootable CD/USB image of the Live iso using unetbootin tool. However it is not recommended to download and use it, keeping the warnings from top security companies in mind.

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