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cheatsheet-tldr/tldr/linux/apptainer-registry
2026-03-12 00:23:31 +00:00

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---
syntax: markdown
tags: [tldr, linux]
source: https://github.com/tldr-pages/tldr.git
---
# apptainer registry
> Manage authentication to OCI/Docker registries.
> See also: `apptainer pull`, `apptainer push`.
> More information: <https://apptainer.org/docs/user/main/cli/apptainer_registry.html>.
- List all configured registry credentials:
`apptainer registry list`
- Log in to a registry with a username (password will be prompted):
`apptainer registry login {{[-u|--username]}} {{username}} docker://{{registry}}`
- Log in to a custom OCI registry:
`apptainer registry login {{[-u|--username]}} {{username}} oras://{{registry}}`
- Log in with username and password:
`apptainer registry login {{[-u|--username]}} {{username}} {{[-p|--password]}} {{password}} docker://{{registry}}`
- Log in with a password from `stdin`:
`echo "{{password}}" | apptainer registry login {{[-u|--username]}} {{username}} --password-stdin docker://{{registry}}`
- Log in using a custom authentication file:
`apptainer registry login --authfile {{path/to/auth.json}} {{[-u|--username]}} {{username}} docker://{{registry}}`
- Log out from a registry:
`apptainer registry logout docker://{{registry}}`
- Log out using a custom authentication file:
`apptainer registry logout --authfile {{path/to/auth.json}} docker://{{registry}}`