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The freesurfer .deb installer file will try to install any missing system library and/or program dependencies.  If you are running on Ubuntu 21, then you could try the Ubuntu 20 installer which you can download from, MailScanner has detected a possible fraud attempt from "secure-web.cisco.com" claiming to be https://surfer.nmr.mgh.harvard.edu/pub/dist/freesurfer/7.3.2/freesurfer_ubuntu20-7.3.2_amd64.deb

$ cd Downloads
$ sudo apt-get install ./freesurfer_ubuntu20-7.3.2_amd64.deb

.... that will install freesurfer as /usr/local/freesurfer/7.3.2

You can always remove that with,
$ sudo apt remove freesurfer

But when using the tar file, you will fault thru what is missing on the system when running binaries and need to determine what to do for a manual install.  For that library, you can try,

$ sudo apt-get install libquadmath0

The .deb package above would have at least installed csh/tcsh since it was missing on the system.

- R.

On Oct 18, 2022, at 10:09, Pål Gunnar Larsson <pall@ous-hf.no> wrote:

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I am reinstalling Freesurfer on an offline system.
Run Ubuntu 21.10 and has installed Freesurfer 7.3.2 from a tar-ball and have installed tcsh.
However, the run stopes with: libquadmath.so.0 cannot open shared library : No such file.
How  do I solve this?
 
Best
 
Pål G. Larsson M.D., PhD.
Senior Medical Officer
Department of Neurosurgery
Division of Surgery and Clinical Neuroscience
 
Oslo University Hospital
Po.box 4950 Nydalen
0424 Oslo
Norway
Tel:  (+47) 23074407
Mobile: (+47) 93429791
not sensitive
 
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