change TTY resoulution for grub 2

gistfile1.txt

Source: http://seraphyn.teiko.org/archives/996-Debian-Squeeze-TTY-Aufloesung-Schriftgroesse.html

available settings:
    hwinfo --framebuffer

edit /etc/default/grub
    set GRUB_GFXMODE
    e.g. GRUB_GFXMODE=1024x768

edit /etc/grub.d/00_header from
    if loadfont `make_system_path_relative_to_its_root "${GRUB_FONT_PATH}"` ; then
      set gfxmode=${GRUB_GFXMODE}
      load_video
      insmod gfxterm
    fi

to

    if loadfont `make_system_path_relative_to_its_root "${GRUB_FONT_PATH}"` ; then
      set gfxmode=${GRUB_GFXMODE}
      set gfxpayload=keep
      load_video
      insmod gfxterm
    fi

run update-grub2