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64 lines
2.5 KiB
Markdown
64 lines
2.5 KiB
Markdown
% DOCKER(1) Docker User Manuals
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% Docker Community
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% JUNE 2014
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# NAME
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docker-logs - Fetch the logs of a container
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# SYNOPSIS
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**docker logs**
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[**-f**|**--follow**[=*false*]]
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[**--help**]
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[**--since**[=*SINCE*]]
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[**-t**|**--timestamps**[=*false*]]
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[**--tail**[=*"all"*]]
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CONTAINER
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# DESCRIPTION
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The **docker logs** command batch-retrieves whatever logs are present for
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a container at the time of execution. This does not guarantee execution
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order when combined with a docker run (i.e., your run may not have generated
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any logs at the time you execute docker logs).
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The **docker logs --follow** command combines commands **docker logs** and
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**docker attach**. It will first return all logs from the beginning and
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then continue streaming new output from the container’s stdout and stderr.
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**Warning**: This command works only for the **json-file** or **journald**
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logging drivers.
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# OPTIONS
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**--help**
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Print usage statement
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**-f**, **--follow**=*true*|*false*
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Follow log output. The default is *false*.
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**--since**=""
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Show logs since timestamp
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**-t**, **--timestamps**=*true*|*false*
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Show timestamps. The default is *false*.
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**--tail**="*all*"
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Output the specified number of lines at the end of logs (defaults to all logs)
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The `--since` option can be Unix timestamps, date formated timestamps, or Go
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duration strings (e.g. `10m`, `1h30m`) computed relative to the client machine’s
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time. Supported formats for date formated time stamps include RFC3339Nano,
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RFC3339, `2006-01-02T15:04:05`, `2006-01-02T15:04:05.999999999`,
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`2006-01-02Z07:00`, and `2006-01-02`. The local timezone on the client will be
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used if you do not provide either a `Z` or a `+-00:00` timezone offset at the
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end of the timestamp. When providing Unix timestamps enter
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seconds[.nanoseconds], where seconds is the number of seconds that have elapsed
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since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (aka Unix
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epoch or Unix time), and the optional .nanoseconds field is a fraction of a
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second no more than nine digits long. You can combine the `--since` option with
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either or both of the `--follow` or `--tail` options.
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# HISTORY
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April 2014, Originally compiled by William Henry (whenry at redhat dot com)
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based on docker.com source material and internal work.
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June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
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July 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
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April 2015, updated by Ahmet Alp Balkan <ahmetalpbalkan@gmail.com>
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October 2015, updated by Mike Brown <mikebrow@gmail.com>
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