Serial entries are the files that we need while issuing and signing certificate requests. openssl rand -hex 16 > ca/root-ca/serial openssl rand -hex 16 > ca/sub-ca/serial Again run tree ca to see the ...

Our Certificate of Proficiency is offered at different levels depending on the level of the courses you want to take. The Certificate of Proficiency (Sub-Degree) is not a formal qualification. You ...