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| − | == j-perdue random links for 8/10/2018 ==
| + | See [[SW:Singularity:Examples]] |
| − | === Placeholder ===
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| − | To be added to SW:Singlularity:Examples or something.... just a placeholder for now to dump all my URLs at home for access at work:
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| − | https://github.com/singularityware/singularity/issues/1076
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| − | https://github.com/singularityware/singularity/issues/1165
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| − | http://singularity.lbl.gov/quickstart#build-images-from-scratch
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| − | https://hub.docker.com/_/fedora/
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| − | https://github.com/NIH-HPC/singularity-examples/blob/master/torch/Singularity.torch
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| − | https://www.sylabs.io/docs/
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| − | | |
| − | === history ===
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| − | | |
| − | * random notes from .bash_history on hprclab2
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| − | <pre>
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| − | [j-perdue@hprclab2 ~]$ history | grep docker
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| − | 460 git clone https://github.com/fedora-cloud/docker-brew-fedora.git
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| − | 466 less prep-docker-brew-branch.sh
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| − | 468 ./prep-docker-brew-branch.sh 28
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| − | 470 sudo docker pull fedora:28
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| − | 472 sudo docker run --rm -ti fedora:28 bash
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| − | 484 sudo docker run -ti fedora:28 bash
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| − | 494 sudo docker run -ti fedora:28 bash
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| − | 495 man docker
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| − | 496 man docker-run
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| − | 497 sudo docker build --writable Fedora28.img fedora:28
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| − | 515 sudo singularity build --writable FedoraLatest.img docker://fedora:latest
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| − | 516 sudo singularity build --writable Fedora28.img docker://fedora:28
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| − | 523 # sudo singularity build --writable --size Fedora28.img docker://fedora:28
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| − | 541 history | grep docker
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| − | [j-perdue@hprclab2 ~]$ history | grep singularit
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| − | 510 sudo singularity build --writable Fedora28.img fedora:28
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| − | 511 sudo singularity build --writable Fedora28.img fedora:27
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| − | 512 sudo singularity build --writable Fedora28.img
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| − | XXX sudo singularity shell --writable Fedora28-HPRCLAB.img
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| − | </pre>
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| − | | |
| − | === nearing in on objective ===
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| − | The objective in this case is a Fedora28-HPRCLAB.img file:
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| − | # that we can provide to users, a Singularity .img file (self-contained), for them to update as needed (as root on their own workstations) that also runs on our clusters
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| − | # is already populated with HPRCLAB RPMs
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| − | # has plenty of disk space for the user to add files (as non-root) while on the cluster
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| − | | |
| − | Latest go around looks like this:
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| − | 1) create a (--writeable) Singularity sandbox from docker://fedora:28 (called mysandbox below... a directory)
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| − | 2) run 'sudo singularity shell" on sandbox to populate (JKP: need to check if sudo is necessary here)
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| − | 3) populate the sandbox with all the RPMs (probably requires sudo above) and users (again sudo)
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| − | 4) once you are happy with that, time to make an .img
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| − | 5) singularity image.create myimage # create .img file
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| − | 6) singularity image.expand -s 20480 # expand to 20GB (works because there is no real file system yet)
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| − | 7) sudo tar -cvf - -C mysandbox/ . | sudo singularity image.import 10g.img # see the last/tar example in 'singularity image.import --help'
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| − | #
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