Ok, so I am bit of a linux noob.  I understand the basics, and compiled my first image from source today, and hey it works!  What I am trying to do is, build a image that has the packages that I need preinstalled.  Packages that I need are(nfs-kernel-server, samba, speedtest-cli, openvpn, and a few other) I tend to muck up my installation quite frequently, as I play around with settings too much.       What I had been doing is cloning the sd card with dd, but I am looking for a better more re