Cryptography crash course
Modern cryptography and its applications can be easily understood at a high level by understanding its three main mechanisms: symmetric encryption, asymmetric encryption and hashing.
Joaquín Bermúdez Castanheira
Resource targetting in Terraform - getting rid of that pesky blocker
Terraform allows us to target particular resources. This can be extremely useful to remove blockers, e.g. when some deletion protection in a resource is preventing us from taking down an entire project.
An overview of systemd
Systemd is a Linux init system and software suite developed mainly as an effort to standardize the Linux init system.