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27 lines
789 B
Markdown
27 lines
789 B
Markdown
<!--[metadata]>
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+++
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title = "pause"
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description = "The pause command description and usage"
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keywords = ["cgroups, container, suspend, SIGSTOP"]
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[menu.main]
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parent = "smn_cli"
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weight=1
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+++
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<![end-metadata]-->
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# pause
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Usage: docker pause CONTAINER [CONTAINER...]
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Pause all processes within a container
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The `docker pause` command uses the cgroups freezer to suspend all processes in
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a container. Traditionally, when suspending a process the `SIGSTOP` signal is
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used, which is observable by the process being suspended. With the cgroups freezer
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the process is unaware, and unable to capture, that it is being suspended,
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and subsequently resumed.
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See the
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[cgroups freezer documentation](https://www.kernel.org/doc/Documentation/cgroups/freezer-subsystem.txt)
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for further details.
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