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107 lines
4.8 KiB
Markdown
107 lines
4.8 KiB
Markdown
% podman-logs 1
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## NAME
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podman\-logs - Display the logs of one or more containers
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## SYNOPSIS
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**podman logs** [*options*] *container* [*container...*]
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**podman container logs** [*options*] *container* [*container...*]
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## DESCRIPTION
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The podman logs command batch-retrieves whatever logs are present for one or more containers at the time of execution.
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This does not guarantee execution order when combined with podman run (i.e. the run may not have generated
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any logs at the time podman logs was executed).
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## OPTIONS
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@@option color
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@@option follow
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@@option latest
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@@option names
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@@option since
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@@option tail
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@@option timestamps
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@@option until
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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 -t 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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# 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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# Server initialized
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```
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To view all containers logs:
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```
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podman logs -t --since 0 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 since a certain time:
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```
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podman logs -t --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 --since 10m myserver
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# Server can't set maximum open files to 10032 because of OS error: Operation not permitted.
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# Current maximum open files is 4096. maxclients has been reduced to 4064 to compensate for low ulimit, Increase 'ulimit -n' when higher maxclients are required.
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```
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To view a container's logs until 30 minutes ago:
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```
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podman logs --until 30m myserver
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AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using 10.0.2.100. Set the 'ServerName' directive globally to suppress this message
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AH00558: httpd: Could not reliably determine the server's fully qualified domain name, using 10.0.2.100. Set the 'ServerName' directive globally to suppress this message
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[Tue Jul 20 13:18:14.223727 2021] [mpm_event:notice] [pid 1:tid 140021067187328] AH00489: Apache/2.4.48 (Unix) configured -- resuming normal operations
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[Tue Jul 20 13:18:14.223819 2021] [core:notice] [pid 1:tid 140021067187328] AH00094: Command line: 'httpd -D FOREGROUND'
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```
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## SEE ALSO
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**[podman(1)](podman.1.md)**, **[podman-run(1)](podman-run.1.md)**, **[podman-rm(1)](podman-rm.1.md)**
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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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