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35 lines
1.2 KiB
Plaintext
35 lines
1.2 KiB
Plaintext
---
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syntax: markdown
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tags: [tldr, common]
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source: https://github.com/tldr-pages/tldr.git
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---
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# docker update
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> Update configuration of Docker containers.
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> This command is not supported for Windows containers.
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> More information: <https://docs.docker.com/reference/cli/docker/container/update/>.
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- Update restart policy to apply when a specific container exits:
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`docker update --restart {{always|no|on-failure|unless-stopped}} {{container_name}}`
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- Update the policy to restart up to three times a specific container when it exits with non-zero exit status:
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`docker update --restart on-failure:3 {{container_name}}`
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- Update the number of CPUs available to a specific container:
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`docker update --cpus {{count}} {{container_name}}`
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- Update the memory limit in [M]egabytes for a specific container:
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`docker update {{[-m|--memory]}} {{limit}}M {{container_name}}`
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- Update the maximum number of process IDs allowed inside a specific container (use `-1` for unlimited):
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`docker update --pids-limit {{count}} {{container_name}}`
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- Update the amount of memory in [M]egabytes a specific container can swap to disk (use `-1` for unlimited):
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`docker update --memory-swap {{limit}}M {{container_name}}`
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