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​Hello Caspar, So far, I have not found a CentOS rpm with that 2.14 version of libcrypt, but you can download the source from the GNU project and try building it on your machine with the following steps. - R.

1) Become root in your terminal window and cd somewhere to download and build

$ su – $ cd /home/user/Downloads

2) get the source

$ wget http://ftp.gnu.org/gnu/glibc/glibc-2.14.tar.gz OR $ curl -O http://ftp.gnu.org/gnu/glibc/glibc-2.14.tar.gz

3) unpack it and cd there

$ tar zxvf glibc-2.14.tar.gz $ cd glibc-2.14

4) do the build and set it to install into some convenient location, e.g., /opt/glibc-2.14

$ mkdir build $ cd build $ ../configure --prefix=/opt/glibc-2.14 $ make

5) If all goes well, then install

$ make install

6) Check that the library is under opt/glibc-2.14/lib and then you can set LD_LIBRARY_PATH to reference it

$ export LD_LIBRARY_PATH=/opt/glibc-2.14/lib

On May 16, 2019, at 05:17, Caspar M. Schwiedrzik <cschwiedrz@mail.rockefeller.edu> wrote:        External Email - Use Caution        Hi! We are getting segmentation fault (core dumped) error when trying to run mri_convert on NIFTI files. This is running Freesurfer v5.3 on Centos6, specifically v1.179.2.7 of mri_convert. I suspect that this has to do with libcrypt incompatibilities described for other operating systems , e.g., here: https://mail.nmr.mgh.harvard.edu/pipermail//freesurfer/2014-September/040528... in the known issues list of v5.3. here https://surfer.nmr.mgh.harvard.edu/fswiki/PreviousReleaseNotes.%C2%A0We have libcrypt version 2.17 installed and do not have access to libcrypt-2.14.1.so. Is there a way to get libcrypt-2.14.1.so from you or is there another known workaround (other then updating to Freesurfer 6)? Thank you very much! Caspar_______________________________________________Freesurfer mailing listFreesurfer@nmr.mgh.harvard.eduhttps://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer$