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Hi Merlin,

We don't currently recommend or support installations from synaptic - instead, I would encourage you to install FSL by following the instructions here: https://fsl.fmrib.ox.ac.uk/fsl/fslwiki/FslInstallation

As for the first_flirt  error, I am guessing that some files are missing from your FSL installation. What is the contents of your $FSLDIR/data/standard/  directory?

Paul

On Oct 13 2019, at 10:00 pm, [log in to unmask] wrote:
Hi,
I installed FSL using synaptic, I installed the fsl-5.0-core packages,
this created a directory with the fsl utilities in / usr / bin /, in
this directory I can find the fsl programs as follows:

/usr/bin/fsl5.0-Asl
/usr/bin/fsl5.0-Bet
/usr/bin/fsl5.0-ConcatXFM
/usr/bin/fsl5.0-Fast
/usr/bin/fsl5.0-Fdt
/usr/bin/fsl5.0-Feat
.
.
.
etc


But I also have another directory: /usr/share/fsl/5.0
In this directory there is a shortcut to a bin folder that has the
following programs:


file: ///usr/share/fsl/5.0/bin/bet
file: ///usr/share/fsl/5.0/bin/Bet
file: ///usr/share/fsl/5.0/bin/checkFEAT
file: ///usr/share/fsl/5.0/bin/cluster2html
file: ///usr/share/fsl/5.0/bin/concat_bvars
file: ///usr/share/fsl/5.0/bin/ConcatXFM
file: ///usr/share/fsl/5.0/bin/design_ttest2
file: ///usr/share/fsl/5.0/bin/dual_regression
file: ///usr/share/fsl/5.0/bin/easythresh
file: ///usr/share/fsl/5.0/bin/eddy_correct
file: ///usr/share/fsl/5.0/bin/epi_reg
file: ///usr/share/fsl/5.0/bin/estnoise
file: ///usr/share/fsl/5.0/bin/extractfidparams
file: ///usr/share/fsl/5.0/bin/extracttxt
file: ///usr/share/fsl/5.0/bin/fabber_var
file: ///usr/share/fsl/5.0/bin/Fast
.
.
.
etc

in this directory the programs do not start with "fsl5.0"

In the .bashrc you will find:

FSLDIR = / usr / share / fsl / 5.0
. $ {FSLDIR} /etc/fslconf/fsl.sh
PATH = $ {FSLDIR} / bin: $ {PATH}
export FSLDIR PATH

When I try to run is the following program:

first_flirt structural structural_to_std_sub

I get:

initial registration 0
Stage 2: use subcortical mask
terminate called after throwing an instance of 'NEWMAT :: SingularException'
Aborted

Something similar happens with the following FSL programs, and I can't
do anything with FSL.
I use Debian 10.

I would appreciate any help.
Many thanks in advance,
Best,
Merlin

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