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Saturday, September 7, 2013

How to delete a user from a group using single command in linux?

I have created a user called 'sam' and he is a member of the group 'webdeveloper'. Currently he is on long leave and I want to remove him from the web developer group without deleting this user.  How can I do this? We will find below.

Thursday, August 8, 2013

How to mount NTFS filesystem as read-writable in Mac OSX 10.8 Mountain Lion

Mountain Lion has built in support for read-writable NTFS filesystem. But it is enabled as read only by Apple. This means that you can only read from an NTFS formated hard disk but cannot write data to it.

To make it is as read-writable is very easy. There is no need to install any third party half working solutions or expensive softwares. Follow below steps :

Saturday, August 3, 2013

Download and install the bleeding edge version of elementary os

This post is more like  a note to myself.

Elementary OS is a distro which uses ubuntu as its base os. But unlike the other ubuntu based distros it's a class apart. It uses its own custom developed applications,icons and themes and everything works as a coherent unit.

Tuesday, July 30, 2013

How to fix the "built in speaker not working" issue in laptops with Ubuntu 13.04 (UEFI)

Recently I have bought a new Sony Vaio touchscreen laptop with Windows 8 UEFI boot (laptop is really good and I highly recommend it) . It was fairly easy to install Ubuntu 13.04 along side windows 8. I was successfully able to dual boot Windows 8 and Ubuntu in this laptop.

In Windows 8 as expected everything worked perfectly out of the box but it was a different story in Ubuntu. I have spent almost 3 weekends for a solution and finally found the solution from some of the old bug reports dated back to Ubuntu 8.04.

Friday, July 12, 2013

How to save using vim editor with sudo privilege

Some times we will start editing the configuration files or the files which need root privilege in vi/vim and once we are about to save it, we will understand that we haven't edited it with sudo privilege.

It may be almost impossible to think quitting the editor without saving (:q!) and start it all over agin.