I’ve used a webservice to check the TLS settings on a secured website numerous times (ssllabs.com). But I’ve only recently discovered a TLS/SSL testing service that checks if third parties can securely deliver mail on you mailserver.

Using http://www.checktls.com/ I was able to …

During my freelancing time over the last couple of years, I’ve been trying different setups that would satisfy my wish to use a single laptop for different clients whilst maintaining proper security.

After all, I do not want to explain my client that their servers got infected with Crapware …

As I was planning a new item in my schedule last week, my OS X calendar was trying to be helpful by suggesting entries based on previous events in my schedule. This is great on many occasions, but this time it suggested an entry from long ago. Think ten years …

Puppet has had native nagios resource types for quite some time. As both a nagios and a puppet fan, I really liked the idea of not setting up any monitoring but have some base level of monitoring on every managed system automatically. Deploying new systems involves a lot of steps …

At a client site updates were installed on Red Hat systems, but they were not always rebooted after a kernel update. So I needed a quick way to test if a server had a newer kernel installed than it was currently running. Just to save it for future use :

#!/bin …