Setting default applications in Ubuntu

 

This post covers how to set default applications in Ubuntu from the command line using the mimeopen script.

Example : Open .fits files always on ds9

ds9 is a program (stored in /home/bin/ds9) that allows astronomers to explore data (.fits files) taken at the telescope. Here's what I did to set that as the default application for opening any .fits file:

ubuntu@ubuntu:~/$ mimeopen -d 22_23.fits
Please choose a default application for files of type image/fits

    1) home  (home-usercreated-1)
    2) Siril  (org.free-astro.siril)
    3) Munipack  (xmunipack)
    4) Atom  (atom)
    5) Other...

use application #5
use command: /home/bin/ds9
Opening "22_23.fits"   (image/fits)

References

https://unix.stackexchange.com/questions/293433/where-mimeopen-saves-default-app-config

https://askubuntu.com/questions/90214/how-do-i-set-the-default-program

https://linux.die.net/man/1/mimeopen


 

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