Tag Archives: Linux

format USB key under fedora

Posted on October 9, 2018 by Thomas Cokelaer

I created a bootable USB key and needed to format the key so that others could use it again. Using the format option (see image below) in the KDE file environment, I got this error: This partition cannot be modified … Continue reading →

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How to send svn diff to meld

Posted on August 7, 2014 by Thomas Cokelaer

On one hand meld provides a nice GUI to visualise the differences between 2 files. On the other hand, with SVN diff command, you can obtain the differences between 2 versions of the same file so you end up with … Continue reading →

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Setup a server on your raspberryPi

Posted on December 20, 2012 by Thomas Cokelaer

This is a summary of what I did to setup a server on my raspberry Pi. This is based on previous post on the same topic and this link: http://www.instructables.com/id/Raspberry-Pi-Web-Server/ Before starting, make sure that your raspberry software are updated … Continue reading →

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Installing JPype to use Java from Python

Posted on October 26, 2012 by Thomas Cokelaer

JPype is a Python package that allows you to call Java from Python. First, download the zip file (I got version 0.5.4.2). I will use a virtual environment here, so the syntax is simply: cd /home/user/Downloads # path where the … Continue reading →

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How to get processor information (linux)

Posted on October 17, 2012 by Thomas Cokelaer

Simply type cat /proc/cpuinfocat /proc/cpuinfo You can also try cat /proc/meminfocat /proc/meminfo

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installing rpy2 with different R version already installed

Posted on January 31, 2012 by Thomas Cokelaer

The easiest way to install a python package is to use easy_install (or pip), so to install rpy2, type: easy_install rpy2 To test that it is properly installed, type: import rpy2; from rpy2 import robjects; robjects.r(“version”) If this code works, … Continue reading →

Posted in Computer Science, Linux, Python | Tagged , , , , | 8 Comments

SVN properties

Posted on November 9, 2011 by Thomas Cokelaer

SVN allows to store some useful keywords which can be set, the value of which will be substituted for ‘tags’ in the file itself. For instance, if the Id keyword is set, place this line in your code __revision__ = … Continue reading →

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ssh on remote host without typing the password

Posted on November 2, 2011 by Thomas Cokelaer

When you connect to a remote host with SSH, you need to enter the password, which can be cumbersome on the long term when connections are frequent. Here is a solution to make the connection automatic. First, if not already … Continue reading →

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Fedora: how to add a sudo user (and avoid password)

Posted on May 11, 2011 by Thomas Cokelaer

How to add a user in the sudo list If you need to type commands using sudo, you will soon be tired to enter the sudo password again and again. Here are the steps to add a user in the … Continue reading →

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How to create an ISO image from a Folder (linux)

Posted on May 2, 2011 by Thomas Cokelaer

Under Linux, you can create an ISO image from a folder using a command line argument with the mkisofs tools. The following example creates an ISO image suitable to be used under Windows: mkisofs -J -l -R -V “Label CD” … Continue reading →

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