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By default, the Singularity container filesystem is read-only. There are 2 methods options to build a writable Singularity container.
If you wanted The "--sandbox" option allows users to create a container within a writable directory (called a sandbox) you could do so with the "--sandbox" option. It’s possible to create a sandbox without root privileges, but to ensure proper file permissions it is recommended to do so as root.
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singularity build --sandbox cuda-ppc64le/ docker://nvidia/cuda-ppc64le:9.2-cudnn7-devel-ubuntu16.0 singularity shell --writable cuda-ppc64le/ |
If users wanted The "--writable" option allows users to create a writable ext3 image, user could do so with the "--writable" option. You must create writable containers as root.
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singularity build --writable cuda-ppc64le.simg docker://nvidia/cuda-ppc64le:9.2-cudnn7-devel-ubuntu16.04
singularity shell --writable cuda-ppc64le.simg |
Frequently Asked Questions
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