The problem requires us to return the sum of all natural numbers below 1000; that are divisible by both 3 and 5.

Bootable or live operating system images are a useful tool for the systems administrator.

Digital certificates or TLS/ SSL certificates are an implementation of public key infrastructure (PKI). In simple terms digital certificates allow a trusted third party, the certificate authority, to verify the identity of the certificate owner.

Octopress described as a blogging framework for hackers, is an implementation of Jekyll