I want to use the r.stream.distance addon in GRASS GIS 6.4 on ubuntu 10.04 (64 bit).

I've installed grass from the repositories and that works fine but I can't seem to figure out how to install this addon (or any other for that matter).

I've tried to run g.extension but I get a "command not found" error. I've tried to install the addon from svn but the instructions are less than clear to me.

I've read through the documentation on the grass wiki and it seems to assume a lot of knowledge that I seem to lack.

So, does anyone know of a tutorial where I can walk through the steps (baby steps) of installing an addon in grass?


  • 2
    You need to be at least 13 years of age to be on this site.
    – CaptDragon
    Commented Apr 19, 2011 at 18:20
  • 2
    uhhhh... I'm asking for a friend who is 6. Commented Apr 20, 2011 at 6:06
  • 2
    Too bad Grass doesn't run on Nintendo platform. Commented Apr 23, 2011 at 19:03
  • 1
    Kirk, maybe just compile it there :)
    – markusN
    Commented Apr 26, 2011 at 23:04
  • 1
    Nikos: tell the Ubuntu packagers to package a more recent version...
    – markusN
    Commented Mar 11, 2012 at 11:51

4 Answers 4


The much more stable Python version of the extension manager has been backported to GRASS 6.4.svn five days ago. So, for GRASS 6.4.2 there is a high chance that the Addon installation becomes more easy - integrated in the graphical user interface. We know that it was difficult on some operating systems and work hard to get rid of these problems.

Note for Windows users: At the upcoming GRASS GIS Community Sprint in Prague in May 2011, we will try to autogenerated winGRASS binary addons for easy consumption. Please stay tuned...


i found this discussion very useful : http://osgeo-org.1803224.n2.nabble.com/installing-addon-problem-for-regular-users-ubuntu-newbies-td3884021.html#a3885118


Fairly common problem,


Does running the WinGrass 7 svn help? http://grass.osgeo.org/download/software.php


See also markusN comment in Is there a way to automate the preprocessing of LANDSAT data?

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