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Add cgroups freezer info

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Docker-DCO-1.1-Signed-off-by: Brian Goff <cpuguy83@gmail.com> (github: cpuguy83)

Docker-DCO-1.1-Signed-off-by: Brian Goff <cpuguy83@gmail.com> (github: SvenDowideit)
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Brian Goff 2014-07-08 21:47:55 -04:00 • committed by SvenDowideit
parent 5b8a6eb05f
commit 3957d72f9c
1 changed files with 9 additions and 2 deletions
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11
docs/sources/reference/commandline/cli.md
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@ -764,7 +764,14 @@ log entry.
Usage: docker pause CONTAINER
Pause all processes within a container
Pause uses the cgroups freezer to suspend all processes in a container.
Traditionally when suspending a process the SIGSTOP signal is used,
which is observable by the process being suspended. With the cgroups freezer
the process is unaware, and unable to capture, that it is being suspended,
and subsequently resumed.
For for information on the cgroups freezer see:
https://www.kernel.org/doc/Documentation/cgroups/freezer-subsystem.txt
## ps
@ -1273,7 +1280,7 @@ them to [*Share Images via Repositories*](
Usage: docker unpause CONTAINER
Pause all processes within a container
Resumes a paused container.
## version