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-Singularity is a container platform based on the principle of mobility of
-compute, and it is designed for use within HPC clusters. For more info see
-singularity.lbl.gov.
-
-To test whether the software functions correctly, you can use `singularity
-selftest`. This is what you would expect to see:
-
-~# singularity selftest
- + sh -c test -f /etc/singularity/singularity.conf (retval=0) OK
- + test -u /usr/libexec/singularity/bin/action-suid (retval=0) OK
- + test -u /usr/libexec/singularity/bin/create-suid (retval=0) OK
- + test -u /usr/libexec/singularity/bin/expand-suid (retval=0) OK
- + test -u /usr/libexec/singularity/bin/export-suid (retval=0) OK
- + test -u /usr/libexec/singularity/bin/import-suid (retval=0) OK
- + test -u /usr/libexec/singularity/bin/mount-suid (retval=0) OK
-
-You can also pull a container from Docker Hub to prove full functionality
-(Test was performed on a Raspberry Pi 3, hence the arm32v7 part of the Docker
-link. Make sure you pull an image which is compatible with your hardware.)
-For instance:
-
-~# singularity pull docker://arm32v7/debian:latest
-Initializing Singularity image subsystem
-Opening image file: debian-latest.img
-Creating 200MiB image
-Binding image to loop
-Creating file system within image
-Image is done: debian-latest.img
-Docker image path: index.docker.io/arm32v7/debian:latest
-Cache folder set to /home/root/.singularity/docker
-[1/1] |===================================| 100.0%
-Importing: base Singularity environment
-Importing: /home/root/.singularity/docker/sha256:ed4f1f0d0a0457e7f76ffb25a8d6a193007709dd312b7647cb44fc6979ec4a53.tar.gz
-Importing: /home/root/.singularity/metadata/sha256:89997b2c16b29c5a3a316e314172ef21b36f67cc3200b1c4d95927f716dbee83.tar.gz
-Done. Container is at: debian-latest.img
-~# singularity shell debian-latest.img
-Singularity: Invoking an interactive shell within container...
-
-Singularity debian-latest.img:~> echo "Hello from within the container!"
-Hello from within the container!
-Singularity debian-latest.img:~> ls /
-bin dev home lost+found mnt proc run singularity sys usr
-boot etc lib media opt root sbin srv tmp var
-Singularity debian-latest.img:~> exit
-exit
-~#
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