Contents:

1. Compiling your own Gadget2 code
2. Running Gadget2

Log in to the cluster and wget the source code, e.g.

localuser@my_linux:~ $ ssh username@lengau.chpc.ac.za
Last login: Fri Apr 01 15:00:00 2016 from 10.128.23.235
[username@login1 ~]$ 
[username@login1 ~]$ wget http://wwwmpa.mpa-garching.mpg.de/gadget/gadget-2.0.7.tar.gz
--2016-04-01 15:21:22--  http://wwwmpa.mpa-garching.mpg.de/gadget/gadget-2.0.7.tar.gz
Resolving wwwmpa.mpa-garching.mpg.de (wwwmpa.mpa-garching.mpg.de)... 130.183.82.17
Connecting to wwwmpa.mpa-garching.mpg.de (wwwmpa.mpa-garching.mpg.de)|130.183.82.17|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 22328221 (21M) [application/x-gzip]
Saving to: ‘gadget-2.0.7.tar.gz’
...

Then grab the source code by doing:

[username@login1Gadget2-work/source]$ wget http://wwwmpa.mpa-garching.mpg.de/gadget/gadget-2.0.7.tar.gz