Hybris is a very widely used platform for eCommerce. It is a somewhat complex piece of software, with multiple interacting components.

When trying to obtain optimal performance, there are a few guidelines you’ll need to follow. We’ll review them in this post.

Those are my notes regarding the podcast episode “The Random Show, Ice Cold Edition” of the Tim Ferriss Show.

We must invest our hopes not in the things that happen, but in our capacities to face them as human beings

— Keith Seddon

Everything flows; nothing remains

–Heraclitus

One of the very worst use of time is to do something very well that need not be done at all.

— Brian Tracy

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.

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…

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 voilà .

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

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 !

The goal of this tutorial is to show you how to create an encrypted LVM on Linux. This will help you keep your data safe in the event of, for example, your laptop computer being stolen.