Re: Installing and running Gadget 2 on Ubuntu 16.04 LTS

From: turhan nasri <turhannasri_at_gmail.com>
Date: Fri, 18 Nov 2016 18:25:29 -0500

Hi,

Thanks to all of you for your nice suggestion and time. I successfully ran
the simulation for 3 s and got some output files. Now to visualize the
files, I installed SPLASH from this site:
http://users.monash.edu.au/~dprice/splash/download.html

I did everything accordingly.
Now I go back to the directory where I have my output files and do the
following:

trina_at_Trina-PC:~/Downloads/Gadget-2.0.7/galaxy$ gsplash snapshot_00*

and get the follwoing error:
gsplash: error while loading shared libraries: libgiza.so.0: cannot open
shared object file: No such file or directory

I was wondering if I have to link the splash directory here somehow or
what. after I did sudo make install in terminal, this is the path to
gsplash
/usr/local//bin/gsplash

your help is appreciated and thanks.

Turhan

On Thu, Nov 17, 2016 at 3:54 AM, Antonio Bibiano <antbbn_at_gmail.com> wrote:

> Also another thing to check is that the environment variable
> LD_LIBRARY_PATH contains the path to where the gsl library is installed.
>
>
> 2016-11-17 19:33 GMT+11:00 Manodeep Sinha <manodeep.sinha_at_vanderbilt.edu>:
>
>> On 11/17/16 6:43 PM, turhan nasri wrote:
>>
>> Hi,
>>
>> I am just starting to learn SPH simulation. I was following this
>> tutorial: https://astrobites.org/2011/04/02/installing-and-running-gad
>> get-2/
>>
>> It seems I succesfully generated the executable Gadget2 inside the
>> /Gadget2 directory, then I copied both the Gadget2 executable and
>> galaxy.param file to a newly created galaxy directory. However when I run:
>>
>> mpirun -np 2 ./Gadget2 ./galaxy.param
>>
>> I get the following error:
>>
>> ./Gadget2: error while loading shared libraries: libgsl.so.0: cannot
>> open shared object file: No such file or directory
>> ./Gadget2: error while loading shared libraries: libgsl.so.0: cannot
>> open shared object file: No such file or directory
>>
>> I believe it has to do something with my Makefile. I am sharing the
>> adjust settings for target computer part, if it gives any hint to the error:
>>
>> #--------------------------------------- Select target computer
>>
>> SYSTYPE="trina"
>> #SYSTYPE="Mako"
>> #SYSTYPE="Regatta"
>> #SYSTYPE="RZG_LinuxCluster"
>> #SYSTYPE="RZG_LinuxCluster-gcc"
>> #SYSTYPE="OpteronMPA"
>> #SYSTYPE="OPA-Cluster32"
>> #SYSTYPE="OPA-Cluster64"
>>
>>
>> #--------------------------------------- Adjust settings for target
>> computer
>>
>> ifeq ($(SYSTYPE),"trina")
>> CC = mpicc
>> OPTIMIZE = -O3 -Wall
>> GSL_INCL = -I/usr/local/include
>> GSL_LIBS = -L/usr/local/lib
>> FFTW_INCL= -I/usr/local/include
>> FFTW_LIBS= -L/usr/local/lib
>> MPICHLIB = -L/usr/lib
>> endif
>>
>> I thought if there were error in makefile, the executable would not have
>> created at the first place. But the executable was there and I have this
>> error. I would very much appreciate if anyone has any suggestion on this.
>> thanks
>>
>> Turhan
>>
>> Unfortunately, you can still run into such runtime errors even though the
>> executable compiled fine. This error happens because the search path at
>> runtime does not include the actual directory location for the compile-time
>> library. The easiest way to fix this error is by embedding the library path
>> into the executable *during* compilation:
>>
>> GSL_LIB_DIR := /usr/local/lib
>> GSL_LIBS := -L$(GSL_LIB_DIR) -Xlinker -rpath -Xlinker $(GSL_LIB_DIR)
>>
>>
>> Cheers,
>> Manodeep
>>
>>
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>>
>
>
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Received on 2016-11-19 00:25:33

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