Linux RedHat / CentOS / Fedora : Uninstall a package along with dependencies

If you’ve been wondering how to delete a package you mistakenly installed (or which is no longer needed) along with all its dependencies, here’s a neat way to achieve just that.

The idea is that whenever you use yum to perform some operation on packages, a transaction is created. If you installed a package along with its dependencies, then you can undo just that by undoing that transaction.

Continue reading Linux RedHat / CentOS / Fedora : Uninstall a package along with dependencies

Fedora 20 Linux + bitcoind : Setting up firewalld for running a full bitcoin node

If you feel like running a full bitcoin node on your Fedora Linux server (and it’s a great way to help the bitcoin network if you have spare capacity / bandwidth), you’ll need to update the firewalld rules in order to allow foreign nodes to connect to yours.

Here’s how…
Continue reading Fedora 20 Linux + bitcoind : Setting up firewalld for running a full bitcoin node

Docker 101 : Creating an Elasticsearch image

Creating an image in Docker is rather easy and well documented.

You start by editing a file which describes the image, then run a few commands, and voilĂ .

In this post we’ll cover how to create a very basic Docker image which will let us spawn elasticsearch instances very easily.

Continue reading Docker 101 : Creating an Elasticsearch image

Facebook : How to remove an event you’ve been invited to without responding

Just because I struggle every time to find how to do that, here’s the procedure to delete an event without responding :

  1. Click on events
  2. Click on the event you want to get rid of
  3. In the guest list you’ll see yourself as well as your invited friends. There’s a cross beside your name. Click on it to remove yourself

BAM ! DONE !

Getting Spotify to run on Gentoo/Linux: A Gross and Cruel Hack

Spotify is a great way to listen to music. Unfortunately the official client only runs on Windows and Mac machines. There is an experimental unsupported client for linux, however it’s provided as a DEB (ubuntu/debian) package.

Here’s a gross hack for whom is desperate to get it working on Gentoo.
Continue reading Getting Spotify to run on Gentoo/Linux: A Gross and Cruel Hack