directory/file duality

UNIX neophytes are often to be heard raving about how “everything is a file”. In UNIX, things are simple, after all, and this is to be celebrated, we are told. What they really mean to say is that “every process accesses data via file descriptors using the open(), close(), read(), and write() system calls”, but… Continue reading directory/file duality

HP Z240 SFF / M.2 SSD

M.2 SSD is Samsung MZV7S2T0BW This is a 2TB device. PCI carrier board is HP MS-4365 Make sure you get one with a heatsink and two thermal conductive pads. One of the pads is slightly thicker than the other. The thicker one goes between the heatsink and the M.2 SSD. The thinner one probably won’t… Continue reading HP Z240 SFF / M.2 SSD

the next display server

security Security matters are not considered here. If this concerns or bothers you, please stop reading. display server A display server is something which provides the service of display to something else. That “something else” is a client program. The terminology is sometimes confusing because the user interacts with the client program via the display… Continue reading the next display server