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Showing posts with label Linux. Show all posts
Showing posts with label Linux. Show all posts

September 20, 2013

Error: no such partition - "Grub rescue" , while booting the system

error: no such partition

grub rescue>

1. If you delete the Linux partition on your hard drive and windows partition is still there.  When you boot the system you will get the following message:
error: no such partition
grub rescue>

2. when you  try to make partition of C Drive


Insert windows 7 disk and
1 Now from the menu list select the ‘Command Prompt’ option.
2) At the DOS prompt type the following three commands:
bootrec.exe  /fixmbr
bootrec.exe  /fixboot (may return an 'Eliment not found' message)
bootrec.exe  /RebuildBcd
3.) Close the command prompt window and click the ‘Startup Repair’ option.
4. ) The repair process may take some time, so wait until the process completes at which point you will see two messages “Windows cannot repair this computer automatically” and “Startup Repair cannot repair this computer automatically”.

These messages are the result of the radical changes made by removing the other drive. Ignore the Send/Don’t send options.

6.) Close this message window by clicking on the X in the upper right corner of the Send/Don’t send window. Next click on the ‘View advanced options for system recovery and support’ option and from the main menu once again click ‘Startup Repair’. 

This time the repair process may only that a few seconds and when prompted “Startup Repair could not detect a problem”, click ‘Finish’  and run the ‘Startup Repair’ option one more time, click ‘Finish’, and then remove the System Repair DVD and click ‘Restart’.  Reboot the computer.

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February 15, 2012

Programming Languages that Tech Entrepreneurs started with

Ever wonder where the biggest inventions started out, and by whom? Here is a list of programming languages, and frameworks that are behind some of the greatest technologies.


Name of Developer: Mark Zuckerberg


Framework or Programing Language: PHP

This social networking site, which is the largest in the world, uses the PHP hypertext processor that is used for server-side scripting. Mark Zuckerberg wrote the site’s code and launched then named Thefacebook in 2004, when he was still a student at Harvard. His idea for Thefacebook came from his first attempt in late 2003, named Facemash. Facemash was later shut down by the universities’ administration.


Name of Developer: Reid Hoffman


Framework or Programing Language: Java, C++

 Reid Hoffman, an employee at Paypal left to start this social networking site and was joined by Chris Saccheri and Lee Hower. The front end of this site is built on Java, and C++ helps take care of a few of its in-memory caches. The site allows users to connect via a “gated-access approach” which requires professionals on the site to have a pre-existing relationship, or the intervention of a common contact to connect. The site meant for professionals became popular very quickly, as a result of its strictly vocational interests, and went public last year.


Name of Developer: Steve Jobs

Year: 2007

Framework or Programing Language: Mac OSX, Darwin OS

This smooth operating system is used on the iPod Touch, iPhone, iPad and other Apple devices that have a touch-based interface. It is a derived operating system that is based on the Mac OSX. Both Mac OSX and the iOS have their roots in the Darwin operating system which was developed on UNIX predominantly by Apple, but also had contributions from NeXTSTEP, BSD, and other free software projects.


Name of Developer: Andy Rubin

Year: 2003

Framework or Programing Language: Linux

This OS which is popularly used on smartphones, and tablets, is a Linux-based system that was developed by Andy Rubin and Rich Miner along with Nick Sears and Chris White in 2003. Their vision, according to Rubin, was to develop “smarter mobile devices that are more aware of its owner's location and preferences”. Development for the OS is now undertaken by the Open Handset Alliance which is piloted by Google.


Name of Developer: Vic Hayes

Year: 1999

Framework or Programing Language: IEEE 802.11 family

WiFi is the brand name used for products that comply with the IEEE 802.11 family of standards. Vic Hayes, who developed a number of primary standards within the IEEE is known as the “Father of WiFi”. Since 2000, the internet was made available anywhere and at anytime because of the widespread use of this technology. This mechanism which allowed devices to exchange data wirelessly changed the face of technology and allowed laptops to become more popular than even desktop computers.


Name of developer: Linus Torvalds


Framework or Programing Language:inspired by MINIX

This Unix-like OS was initiated by Linus Torvalds in an attempt to build a portable operating system that was similar to the MINIX system. Since the scope of the MINIX system was limited to educational use, Linus started working on the kernel of the Linux system in 1991, and has contributed to about 2 percent of the entire system. The Linux system is built on the free and open source software development model and Torvalds retains the rights to determine which properties are retained by the kernel. Linux is one of the most preferred operating systems in the world, with a number of super- computers running on it.


Name of Developer: Yukihiro Matsumoto

Year: 1990’s

Framework or Programing Language: Inspired by Perl

This programming language, developed in the 1990’s by Yukihiro Matsumoto from Japan, was inspired by the Perl and Eiffel languages, and has a couple of features from the Smalltalk OOPs. The specifications of Ruby language are developed by the Open Standards Promotion Center of the Information-Technology Promotion Agency (in Japan). Matsumoto stated that he decided to create the language because of the need for a "...language that was more powerful than Perl, and more object-oriented than Python."

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