This is a guide for getting the HP/Agilent 82350 A or B GPIB cards working on Linux.
There are other guides made by other people for a couple of other GPIB adapters here:
Unfortunately the mainline Linux kernel does not have any GPIB support. Even more unfortunate is that neither Ubuntu nor Debian appear to have packages for the kernel modules nor do any third-party apt repos appear to exist that are remotely up to date.