Latest articles

How to check ssh public key fingerprints?

Thursday, February 15, 2018

The authenticity of host (' can't be established.
ECDSA key fingerprint is SHA256:v7u4albDUtGH1EXWEwlt0KnzY9GDY5EqodUymKSbiSw
Are you sure you want to continue connecting (yes/no)? 

If you have ever used SSH, you have encountered this prompt. If you often SSH to new machines and you are like me, you probably type 'yes' without thinking about it.

In this article I describe how you can check your SSH fingerprints.

SSH escape commands for fun and profit

Wednesday, June 21, 2017

We can never say it enough, but OpenSSH is an amazing tool. Lately, I have been playing with VMs and a friend of mine showed me some really cool tricks with SSH. The SSH escape ~ commands!

How to get started in infosec?

Tuesday, May 30, 2017

I am keeping here a a list of all articles I find on "getting started in infosec" and try to summarize their content in one list. This is not really meant to be public, it is just for me to centralize all this information.

org-capture freezes emacs on OpenBSD

Sunday, December 11, 2016

I've switch recently to OpenBSD and I noticed that org-capture no longer worked. Worst, it freezes my emacs session, which is something that should never happen. So, time to do a little Emacs Debugging Session !

Beyond the tutorial : Text Classification with sklearn

Friday, October 21, 2016

The goal of this article is to show how you can go beyond the simple pipeline presented in the sklearn tutorial. I assume you've read and coded the tutorial. I start by reviewing the code, recalling how it works and pointing out few problems you might encounter when you want to develop a more complex pipeline to process text data.