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72 lines
2 KiB
Markdown
72 lines
2 KiB
Markdown
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---
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title: "kill"
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description: "The kill command description and usage"
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keywords: "container, kill, signal"
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---
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<!-- This file is maintained within the docker/cli GitHub
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repository at https://github.com/docker/cli/. Make all
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pull requests against that repo. If you see this file in
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another repository, consider it read-only there, as it will
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periodically be overwritten by the definitive file. Pull
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requests which include edits to this file in other repositories
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will be rejected.
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-->
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# kill
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```markdown
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Usage: docker kill [OPTIONS] CONTAINER [CONTAINER...]
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Kill one or more running containers
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Options:
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--help Print usage
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-s, --signal string Signal to send to the container (default "KILL")
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```
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## Description
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The `docker kill` subcommand kills one or more containers. The main process
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inside the container is sent `SIGKILL` signal (default), or the signal that is
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specified with the `--signal` option. You can kill a container using the
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container's ID, ID-prefix, or name.
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> **Note**: `ENTRYPOINT` and `CMD` in the *shell* form run as a subcommand of
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> `/bin/sh -c`, which does not pass signals. This means that the executable is
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> not the container’s PID 1 and does not receive Unix signals.
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## Examples
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### Send a KILL signal to a container
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The following example sends the default `KILL` signal to the container named
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`my_container`:
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```bash
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$ docker kill my_container
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```
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### Send a custom signal to a container
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The following example sends a `SIGHUP` signal to the container named
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`my_container`:
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```bash
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$ docker kill --signal=SIGHUP my_container
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```
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You can specify a custom signal either by _name_, or _number_. The `SIG` prefix
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is optional, so the following examples are equivalent:
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```bash
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$ docker kill --signal=SIGHUP my_container
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$ docker kill --signal=HUP my_container
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$ docker kill --signal=1 my_container
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```
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Refer to the [`signal(7)`](http://man7.org/linux/man-pages/man7/signal.7.html)
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man-page for a list of standard Linux signals.
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