How to install and configure Nvidia Optimus driver on Ubuntu

Nvidia Optimus is a hybrid GPU system which utilises what is known as “discrete switching” and has been long associated with headaches and limitations on Linux systems. After years of wait, Ubuntu 14.04 with its shiny new kernel finally shipped with proprietary driver compatibility that can be installed easily. This article will guide you through […]
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How to take a screenshot from the command line on Linux

There are various flavors of Linux screenshot utilities, including desktop-specific screenshot programs (e.g., KSnapshot for KDE, gnome-screenshot for GNOME, Screenshooter for Xfce), or general screenshot utilities (e.g., Shutter). One of unique screenshot utilities is Scrot (short for “SCReen shOT”), which is a command-line screenshot utility. While its interface is minimalistic, Scrot is, feature-wise, as powerful […]
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How to stitch photos together on Linux

If you are an avid photographer, you will probably have several stunning panoramic photos in your portfolio. You don’t have to be a professional photographer, nor need specialized equipment to create dramatic panoramic pictures. In fact, there are quite a few picture stitch apps (online or offline, desktop or mobile), which can easily create a […]
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How to convert video to animated gif image on Linux

Once thought of as outdated art forms, animated GIF images have now come back. If you haven’t noticed, quite a few online sharing and social networking sites are now supporting animated GIF images, for example, on Tumblr, Flickr, Google+, and partly on Facebook. Due to their ease of consumption and sharing, GIF-ed animations are now […]
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How to draw flowchart or diagram on Linux

There are several well-known commercial flowchart and diagram software available, e.g., Visio on Windows, OmniGraffle on MacOS X. Then what about Linux? In fact, there are a couple of reasonably good Linux alternatives to Visio or OmniGraffle, for example, yEd, Dia, LibreOffice Draw, Pencil Project, etc. In this tutorial, I will describe how to create […]
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How to create custom business cards or labels in Linux

A savvy business person may believe that a lasting impression starts with a good looking business card. That doesn’t necessarily mean that you need to order expensive business cards from somewhere. There are plenty of image editor software that can be used to create DIY great looking business cards or name labels. In Linux, there […]
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