Blog posts

Authenticate Wi-Fi users against Google Workspace with FreeRADIUS: Secure LDAP across multiple domains, per-office and per-group VLAN assignment, EAP over TLS, and access points on dynamic IPs verified through authoritative DNS.

Imagine waking up to an alert that your Google Account password has been changed. You haven’t been standard-hacked. You’ve been trapped in the Family Link Exploit, a severe security loophole that weaponizes Google’s child safety features against adult users, and currently leaves victims completely stranded.

Welcome to this practical guide filled with MySQL tips and tricks! Whether you’re a seasoned database administrator or just getting started with MySQL, these handy queries and techniques will help you manage your databases more efficiently.

We covered SSH Authentication and Linux user management using OpenLDAP in an article, now wouldn’t it be great if you could also manage sudo rules from a central place like an LDAP server? Luckily, sudo has support for this! This article will show you how to set this up within OpenLDAP and the sudo configuration on your Linux machine.

Reverse SSH tunneling is a powerful tool that can be used to securely forward ports to or from remote servers to your local machine. It is especially useful when you don’t have direct access to a remote server, such as in a cloud environment. By creating a secure tunnel between the remote server and your local machine, you can access services on the remote server as if they were running on your own machine.

How we rapidly developed an internal tool from idea to prototype within a limited amount of time at Q42!

A GPG Keysigning party is an event where people verify each other’s identity and sign their GPG keys. Doing so increases the effectiveness of the Web of trust and the total trust each key has.

I was thinking about migrating some cloud services into Terraform, but we seemed to have too many domains. So I wrote a small python script that takes a domain, then using doctl (the DigitalOcean command line) it extracts all current records. After that it outputs the file into tf and also gives a import command to import the current state in Terraform state.

Watermeterkit is an awesome idea to count water usage on most Dutch watermeters. With these steps, it would be easy to add into Home Assistant to show usage in liters or m³.

Using a GoPro as a stream source over Wi-Fi? What about streaming from SLOBS to two Twitch channels at once? Having a dedicated recording machine? Streaming to multiple platforms? Maybe even host a LAN party with a commentary stream? You can use RTMP and a custom ingest for streaming. This way you are able to accomplish what you want. In this article, I will guide the setup and show examples for the different use cases.