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vendor/github.com/hyperhq/hypercli/docs/reference/commandline/logs.md

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+<!--[metadata]>
++++
+title = "logs"
+description = "The logs command description and usage"
+keywords = ["logs, retrieve, docker"]
+[menu.main]
+parent = "smn_cli"
++++
+<![end-metadata]-->
+
+# logs
+
+    Usage: docker logs [OPTIONS] CONTAINER
+
+    Fetch the logs of a container
+
+      -f, --follow              Follow log output
+      --help                    Print usage
+      --since=""                Show logs since timestamp
+      -t, --timestamps          Show timestamps
+      --tail="all"              Number of lines to show from the end of the logs
+
+> **Note**: this command is available only for containers with `json-file` and
+> `journald` logging drivers.
+
+The `docker logs` command batch-retrieves logs present at the time of execution.
+
+The `docker logs --follow` command will continue streaming the new output from
+the container's `STDOUT` and `STDERR`.
+
+Passing a negative number or a non-integer to `--tail` is invalid and the
+value is set to `all` in that case.
+
+The `docker logs --timestamps` command will add an [RFC3339Nano timestamp](https://golang.org/pkg/time/#pkg-constants)
+, for example `2014-09-16T06:17:46.000000000Z`, to each
+log entry. To ensure that the timestamps are aligned the
+nano-second part of the timestamp will be padded with zero when necessary.
+
+The `--since` option shows only the container logs generated after
+a given date. You can specify the date as an RFC 3339 date, a UNIX
+timestamp, or a Go duration string (e.g. `1m30s`, `3h`). Besides RFC3339 date
+format you may also use RFC3339Nano, `2006-01-02T15:04:05`,
+`2006-01-02T15:04:05.999999999`, `2006-01-02Z07:00`, and `2006-01-02`. The local
+timezone on the client will be used if you do not provide either a `Z` or a
+`+-00:00` timezone offset at the end of the timestamp. When providing Unix
+timestamps enter seconds[.nanoseconds], where seconds is the number of seconds
+that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap
+seconds (aka Unix epoch or Unix time), and the optional .nanoseconds field is a
+fraction of a second no more than nine digits long. You can combine the
+`--since` option with either or both of the `--follow` or `--tail` options.