Yesterday, Logstash 1.4.0 was released containing many improvements, one of which was contributed by us. We’ve implemented signature verification and packet decryption in the collectd input plugin. This blogpost will give an overview of how encryption and signing is used in the collectd binary protocol. If you want to implement your own collectd receiver, this is pretty interesting.

How to secure your data with LUKS and OpenPGP smartcards using Ubuntu 10.10.

How to secure your data with LUKS and OpenPGP smartcards using Ubuntu.