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Custom .screenrc Configuration File

By cbaunni, on June 21st, 2010%

Screen may be the most useful Linux applications when it comes to getting things done through the terminal. This custom screenrc configuration file will provide you with a permanent caption line at the bottom of each window. This caption line will enable you to easily keep track of each terminal window and provide other helpful information . . . → Read More: Custom .screenrc Configuration File

Check Bandwidth Usage In Ubuntu

By cbaunni, on March 6th, 2010%

Install bwm-ng and/or iftop as given below:

sudo apt-get install bwm-ng
sudo apt-get . . . → Read More: Check Bandwidth Usage In Ubuntu

Using Coral Draw Images In Ubuntu

By cbaunni, on June 9th, 2009%

Use uniconverter to convert .cdr file to any other format required.

Or use . . . → Read More: Using Coral Draw Images In Ubuntu

A Simple Script To Get A Terminal Dictionary

By cbaunni, on June 7th, 2009%

First, make sure that you have the Lynx web browser:

sudo apt-get install lynx

Now, make the following script:

#!/bin/sh

lynx -dump “http://wordnet.princeton.edu/perl/webwn?s=$1″ | grep -B 1000 References | grep -A 1000 relations | less

Now you can define any word from the terminal. For example, suppose I want to know the definition of ‘psychoanalysis’, I can simply run:

./define psychoanalysis

and get . . . → Read More: A Simple Script To Get A Terminal Dictionary

Free Up Cache Memory in Ubuntu

By cbaunni, on May 30th, 2009%

Ever wondered how to remove the cache memory in Ubuntu? Linux kernels 2.6.16 and newer provide a mechanism to clear the inode, page, and dentry caches on demand. All you have to do is echo a value to the proc filesystem, and you’re done. Follow the recipe below:

As this is a non-destructive operation and dirty objects . . . → Read More: Free Up Cache Memory in Ubuntu

How To Check Which Software Package Is Using More Space

By cbaunni, on May 26th, 2009%

If you’re running out of disk space and you want to quickly see what packages are using the most space on your hard drive, use the following command

dpkg-query –show –showformat=’${Package;-50}\t${Installed-Size}\n’ | sort -k 2 -n | grep -v deinstall | awk ‘{printf “%.3f MB \t %s\n”, $2/(1024), $1}’

That will sort the packages by size, putting the . . . → Read More: How To Check Which Software Package Is Using More Space

Using Terminal To Check The Size Of A Directory

By cbaunni, on May 26th, 2009%

You can also use a Terminal command to check the size of an individual directory. For instance, if you wanted to check the size of your Documents directory, you would use this command:

du -hs Documents

This will give you the combined size of your Documents folder, along with . . . → Read More: Using Terminal To Check The Size Of A Directory

Adding Public Key For Ubuntu Repositories

By cbaunni, on May 14th, 2009%

Following recipe will help to add a public key to ‘apt’ for repositories not already included in /etc/apt/sources.list. If you get an error ‘NO_PUBKEY XXXXXXXXXXXX’ , just use XXXXXXXXXXXX public key name in the following code.

gpg –keyserver hkp://subkeys.pgp.net –recv-keys XXXXXXXXXXXXXXXXX
sudo gpg –export –armor “XXXXXXXXXXXXXXXXXXX” | sudo apt-key add -
sudo . . . → Read More: Adding Public Key For Ubuntu Repositories

Enabling Spell Checking In Kile Using Aspell

By cbaunni, on May 13th, 2009%

Kile is a top-notch KDE frontend LaTeX editor. Enabling spell checking for it requires a small trick if you’re running Ubuntu, which is Gnome based. Several options, including spell checking, for KDE applications are configured within the KDE control center. To get the job done, proceed as follows:

1. First, you need to install the KDE control . . . → Read More: Enabling Spell Checking In Kile Using Aspell

Backup Subversion Repositories And Projects

By cbaunni, on May 12th, 2009%

After I decided to manage my PhD thesis and projects with subversion, the most important thing to consider was a proper backup strategy. I decided to go a bit overboard with it as it might save me some day. There are several ways to backup subversion and I decided to use all of them!

a. Using crontab . . . → Read More: Backup Subversion Repositories And Projects

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