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LuiCha
Asked: 2012-12-13 02:46:19 +0800 CST

Cannot run a linux binary

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I was trying to run a linux binary from this site:

http://www.robots.ox.ac.uk/~vgg/research/affine/descriptors.html#binaries

specifically, the "compute_descriptors.ln"

However, the terminal only responded with command not found. The extension also looks very uncommon.

I am running Ubuntu 12.10.

12.10

2 Answers

  1. I think you missed some steps (chmod +x maybe?). Works for me:

    $ wget http://www.robots.ox.ac.uk/[...]/compute_descriptors.ln.gz                
[...]
2012-12-12 11:55:36 (1.55 MB/s) - `compute_descriptors.ln.gz' saved [3222607/3222607]                                            

$ gunzip compute_descriptors.ln.gz                                                                             
$ chmod +x compute_descriptors.ln 
$ ./compute_descriptors.ln 
Interest point descriptors implemented by [email protected]                                                      
at INRIA Rhone-Alpes.[ref. www.inrialpes.fr/movi/people/Mikolajczyk/Affine]                                                      
Options:
[...]
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  2. Best Answer

    You probably typed

    $ compute_descriptors.ln

    but you need to do

    $ ./compute_descriptors.ln

    (notice the leading ./, that is also mentioned on the site you linked)
    The command isn't known "globally" (in your path) so you must specify that the command is in fact in this directory.

    You could also need to do a chmod +x, but i'd just try the ./ prepending first.

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