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Apptainer Usage

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Janset Esen edited this page Nov 27, 2024 · 3 revisions

create apptainer image from the docker image in DockerHub.

  • pull from docker and run the apptainer image: cd $HOME/IFC2SB/add
    apptainer pull docker://jansetesen1/ifc2sb:latest3
    apptainer shell ifc2sb_latest3.sif

  • runnig the code inside the container:
    cd /opt/ifc2sb/code/build
    ./IFC2SB -j8 --graph $HOME/IFCfiles/ExampleHOM.ifc

Explanation:

  • cd $HOME/IFC2SB/add: Changes the directory to where you want to save the Apptainer SIF file.
  • apptainer pull docker://jansetesen1/ifc2sb:latest3: Pulls the Docker image from DockerHub and converts it into an Apptainer SIF file.
  • apptainer shell ifc2sb_latest3.sif: Opens an interactive shell session within the newly created Apptainer container.
  • Unlike Docker, Apptainer (formerly Singularity) automatically binds certain directories from the host system into the container by default, including your home directory. This means you typically don't need to manually mount or bind directories when running an Apptainer container, as your home directory ($HOME) is already accessible inside the container.
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