mirror of https://github.com/containers/podman.git
88 lines
3.9 KiB
Markdown
88 lines
3.9 KiB
Markdown
% podman-logs(1)
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## NAME
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podman\-logs - Fetch the logs of a container
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## SYNOPSIS
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**podman** **logs** [*options*] *container*
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## DESCRIPTION
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The podman logs command batch-retrieves whatever logs are present for a container at the time of execution.
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This does not guarantee execution order when combined with podman run (i.e. your run may not have generated
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any logs at the time you execute podman logs
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## OPTIONS
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**--follow, -f**
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Follow log output. Default is false
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**--since=TIMESTAMP**
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Show logs since TIMESTAMP. The --since option can be Unix timestamps, date formatted timestamps, or Go duration
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strings (e.g. 10m, 1h30m) computed relative to the client machine's time. Supported formats for date formatted
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time stamps include RFC3339Nano, RFC3339, 2006-01-02T15:04:05, 2006-01-02T15:04:05.999999999, 2006-01-02Z07:00,
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and 2006-01-02.
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**--tail=LINES**
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Output the specified number of LINES at the end of the logs. LINES must be a positive integer. Defaults to 0,
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which prints all lines
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**--timestamps, -t**
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Show timestamps in the log outputs. The default is false
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## EXAMPLE
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To view a container's logs:
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```
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podman logs b3f2436bdb978c1d33b1387afb5d7ba7e3243ed2ce908db431ac0069da86cb45
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2017/08/07 10:16:21 Seeked /var/log/crio/pods/eb296bd56fab164d4d3cc46e5776b54414af3bf543d138746b25832c816b933b/c49f49788da14f776b7aa93fb97a2a71f9912f4e5a3e30397fca7dfe0ee0367b.log - &{Offset:0 Whence:0}
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1:C 07 Aug 14:10:09.055 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
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1:C 07 Aug 14:10:09.055 # Redis version=4.0.1, bits=64, commit=00000000, modified=0, pid=1, just started
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1:C 07 Aug 14:10:09.055 # Warning: no config file specified, using the default config. In order to specify a config file use redis-server /path/to/redis.conf
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1:M 07 Aug 14:10:09.055 # You requested maxclients of 10000 requiring at least 10032 max file descriptors.
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1:M 07 Aug 14:10:09.055 # Server can't set maximum open files to 10032 because of OS error: Operation not permitted.
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1:M 07 Aug 14:10:09.055 # Current maximum open files is 4096. maxclients has been reduced to 4064 to compensate for low ulimit. If you need higher maxclients increase 'ulimit -n'.
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1:M 07 Aug 14:10:09.056 * Running mode=standalone, port=6379.
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1:M 07 Aug 14:10:09.056 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
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1:M 07 Aug 14:10:09.056 # Server initialized
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```
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To view only the last two lines in container's log:
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```
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podman logs --tail 2 b3f2436bdb97
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1:M 07 Aug 14:10:09.056 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
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1:M 07 Aug 14:10:09.056 # Server initialized
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```
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To view a containers logs since a certain time:
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```
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podman logs 224c375f27cd --since 2017-08-07T10:10:09.055837383-04:00 myserver
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1:M 07 Aug 14:10:09.055 # Server can't set maximum open files to 10032 because of OS error: Operation not permitted.
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1:M 07 Aug 14:10:09.055 # Current maximum open files is 4096. maxclients has been reduced to 4064 to compensate for low ulimit. If you need higher maxclients increase 'ulimit -n'.
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1:M 07 Aug 14:10:09.056 * Running mode=standalone, port=6379.
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1:M 07 Aug 14:10:09.056 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
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1:M 07 Aug 14:10:09.056 # Server initialized
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```
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To view a container's logs generated in the last 10 minutes:
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```
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podman logs 224c375f27cd --since 10m myserver
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1:M 07 Aug 14:10:09.055 # Server can't set maximum open files to 10032 because of OS error: Operation not permitted.
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1:M 07 Aug 14:10:09.055 # Current maximum open files is 4096. maxclients has been reduced to 4064 to compensate for low ulimit. If you need higher maxclients increase 'ulimit -n'.
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```
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## SEE ALSO
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podman(1)
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## HISTORY
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February 2018, Updated by Brent Baude <bbaude@redhat.com>
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August 2017, Originally compiled by Ryan Cole <rycole@redhat.com>
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