Anyone mind translating this for a gdb noob? When I try: > sudo gdb 678 > 678: No such file or directory. Docs say maybe the -p flag? > sudo gdb -p > Atta

Anyone mind translating this for a gdb noob? When I try: > sudo gdb 678 > 678: No such file or directory. Docs say maybe the -p flag? > sudo gdb -p > Attaching to process 678 > Unable to find Mach task port for process-id 678: (os/kern) failure (0x5). (Yes, I could probably read and understand docs, but, that takes effort)