OpenDKIM-OpenDMARC and a Chrooted Postfix Instance

Compatibility issues arises when using OpenDKIM/OpenDMARC Unix sockets with chrooted Postfix installation. In this post you will learn to resolve this…

Remote unlocking of LUKS-encrypted root in Ubuntu/Debian

Not so long ago, remote unlocking of a LUKS-encrypted root partition was difficult to setup. While essential for headless servers, all required steps needed to be done manually and compatibility was a concern.

Luckily, it is much simpler to do so in recent versions of Ubuntu/Debian. Unlocking an encrypted root remotely should be as simple as installing a single package… We’ll see about that in a moment.