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Using Emacs, Org-mode and R for Research Writing

This guide presents a toolkit for writing research papers and monographs using Emacs, Org-mode and R.

Org-mode allows embedding statistical code in the document to generate results that can be revised and reproduced, integration of bibliographic references with a database, and consistent formatting without any manual tweaking using excellent support for creation of pdf, […]

Customising the look of beamer presentations created using orgmode

Some examples of how to customise the look of beamer presentations created using orgmode.

1. Changing the colors.

#+BEAMER_HEADER_EXTRA: \usetheme{Warsaw} \usecolortheme{beaver} \usefonttheme{serif} \setbeamertemplate{caption}[numbered] \useinnertheme{circles} #+BEAMER_HEADER_EXTRA: \setbeamercolor{title}{fg=green!40!black} #+BEAMER_HEADER_EXTRA: \useoutertheme{split} #+BEAMER_HEADER_EXTRA: \setbeamercolor{section in head/foot}{fg=green!50!black} #+BEAMER_HEADER_EXTRA: \setbeamercolor{subsection in head/foot}{fg=green!50!black} #+BEAMER_HEADER_EXTRA: \setbeamercolor{item}{fg=green!50!black}

2. Adding logo on the title frame. (Replace unilogo with name of the file containing your […]

Hindi/Devanagari presentations using orgmode, R, latex and beamer

I recently had to prepare a beamer presentation in hindi/devanagari. I usually use emacs-orgmode  with a lot of R source code embedded in it to prepare my beamer presentations. To adapt the entire setup to work with devanagari, this is what I needed to do.


Make orgmode export to latex using xetex rather than […]

Unison Makes Two-Way File Sync Simple | Wazi

Unison Makes Two-Way File Sync Simple | Wazi.

“Unison is a powerful file and directory synchronization tool that, unlike popular tools like rsync, can perform two-way synchronization. With Unison, you can sync files between your work computer and home desktop, and any changes done at one machine will be reflected at the other.”

Gnome, xfce….

Debian finally has gnome3 in its unstable repository. Given that there has been a lot of adverse commentary on gnome3, I am not sure if I am going to like it. At the same time, I have been very curious and wanted to try it.

This is what I did.

Shifted to xfce about […]

Interesting stuff on how to use SSH effectively


The best Linux desktop search tools | TuxRadar Linux

The best Linux desktop search tools | TuxRadar Linux.

A review of various desktop search tools on linux. In sum, Recoll is the best.



Debian wheezy installation on Toshiba Portégé R700

Debian Wheezy installation on my new Toshiba Portégé R700 went like a breeze. I only needed to install proprietary driver (wl) for the Broadcom wireless card. Everything else worked without a hitch.

Toshiba Portégé is a nice light-weight laptop weighing only 1.3 Kilograms. My machine runs on an Intel i5 processor, has a 500GB harddisk, […]

Linux Mint Debian Edition

Linux Mint Debian Edition (LMDE) is my current favourite linux distribution. It is built on Debian, which has the reputation of being the most stable, secure and well-tested linux distribution, and is extremely user-friendly.

LMDE and most current distributions of linux beat Windows hands down in terms of user-friendliness. LMDE is a breeze to […]

Skip outline frame in org-beamer

Beamer presentations created by org-beamer have, by default, a frame that displays outline of the presentation immediately after the title frame.

If you do not want this outline frame, add the following line in the headers of the org file.

#+OPTIONS: toc:nil

org-beamer would now create the presentation without the outline frame.

etenil on […]

Microphone and Webcam issues on Sony Vaio CW1BGN

A friend had ubuntu 10.04 running on Sony Vaio CW1BGN. There were two problems that needed to be fixed.

1. The microphone was not working.2. The webcam was working in applications like cheese but not in skype

Fixing the microphone required the following to be written in /etc/modprobe.d/sound.conf

options snd slots=snd-hda-inteloptions snd-hda-intel model=toshiba-s06alias snd-card-0 snd-hda-intel


Blogging from conkeror

I installed scribefire on conkeror. Blogging from it. To start scribefire, you need to go to



Conkeror: Freedom from Mice

Conkeror is a Firefox-based browser that adds emacs-style keyboard functionality to the browser. It is great for those who like using the keyboard (and hate the mouse). Try it.

Here is an interesting article on Conkeror browser.

I wish they thought of a better name though. Conkeror sounds too similar to Konqueror.


More on mutt and postfix

On my laptop, I use mutt with postfix for sending e-mails, and fetchmail for receiving them. Postfix is setup to relay mails through gmail. I am the only user on the computer and all mails originating from the computer are sent from my account.

A limitation of the setup was that it sent e-mail only […]

Installing mysql workbench on debian

Debian does not yet have a package for Mysql Workbench in its repositories. The website of Mysql Workbench has an ubuntu package but it does not directly install in debian. To install it on debian, you need to separately install all the dependencies.

The following steps will take you through the process of installation. Please […]