Posts with label "programming"

Let's encrypt certificate for offline servers with OVH DNS

Let's encrypt provide free and easy SSL certificates. Nevertheless it need to verify that you own the machine. In order to do that we usually use HTTP verification with the .well-known directory.

But sometime our servers are not reachable from the internet. Therefore the HTTP validation is not possible. Hopefully there is another way the acme challenge can be validated: DNS validation.

In this post we will see how we can generate Let's encrypt SSL certificate for offline machine with DNS validation for domains hosts by OVH.

Installing OSMC without installer

I bought the new raspberry pi 3 with integrated Wi-Fi. Currently I still have a Ethernet cable running through my living room to my old raspberry pi 1.

Just willing to download the last raspbmc version I figured that it was no more raspbmc but osmc which is basically the same but with much marketing around it. The most annoying one is that you need to install an install (such meta). I was pretty much sure it was not really necessary and moreover there is no version of the installer for Arch Linux.

Git, remove unwanted data from history

Recently I put unwanted data (a password) in one of my git commit. This commit was not push to an public server (like github or bitbucket) therefore there was no real security breach other than my git history.

The problem was to remove the data by rewriting the git history …