type in a terminal window: aptitude install xfonts-terminus xfont-terminus
restart X
Open ~/.Xdefaults, and make it read exactly like this:
Rxvt.font: -xos4-terminus-bold-r-*-*-*-120-100-100-*-*-iso8859-1 Rxvt.color0: #000000 Rxvt.color1: #A80000 Rxvt.color2: #00A800 Rxvt.color3: Orange3 Rxvt.color4: #000078 Rxvt.color5: #A800A8 Rxvt.color6: #00A8A8 Rxvt.color7: #A8A8A8 Rxvt.color8: #646464 Rxvt.color9: #FF0054 Rxvt.color10: #00FF54 Rxvt.color11: #FFFF54 Rxvt.color12: #0000FF Rxvt.color13: #FF00FF Rxvt.color14: #00FFFF Rxvt.color15: #FFFFFF Rxvt.foreground: #A8A8A8 Rxvt.background: #000000 Rxvt.cursorColor: #A8A8A8 Rxvt.reverseVideo: false Rxvt.geometry: 80x25 Rxvt.scrollBar: false Rxvt.meta8: false Rxvt.modifier: mod1
type in a terminal window: xrdb -merge ~/.Xdefaults