Hello Newbie to this ... Please bare with me

I have always bought my c lines for other people for me and my family but find them very unsable and often let down so thought i would maybe make my own server if possible looking for any info really dont really want to go down the dreambox method if possible i want to use a card reader and a old linux pc i have lying around i have been looking into card readers have bought a omnikey card reader is this ok ? or can someone help with a better one ? basically a set up guide would be great but all seem to be a dreambox method ....

cheers guys please message with info and any would be of help at the min no matte how big or small