Do you have an X server running? Like xquartz? Run it from a terminal inside the environment of an X server.
Ben > On Jan 26, 2019, at 12:50 PM, Igor Rubel <i...@rubel.tel> wrote: > > Hello! > > I've just installed surf using MacPorts. > >> surf https://www.apple.com/ >> Can't open default display > > How can one solve that? > > > Regards, > > I. Rubel >