A free and new process to manage certificates, supported by Netscape, l'EFF, Akamai, Cisco...
Using an agent (installed on the server, running Apache or Ngix), it will manage validation, renew and revocation.
MBR or GPT (see GUID Partition Table). MBR= Master Boot Record 512 o, max 4 partitions, file max 2.2 To. GPT pc > 2010 + mac > 2006. 128 partitions max. With UEFI, GPT is requierd to load OS