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diff --git a/docs/source/markdown/podman-logs.1.md.in b/docs/source/markdown/podman-logs.1.md.in new file mode 100644 index 000000000..7b0c45cf0 --- /dev/null +++ b/docs/source/markdown/podman-logs.1.md.in @@ -0,0 +1,109 @@ +% podman-logs(1) + +## NAME +podman\-logs - Display the logs of one or more containers + +## SYNOPSIS +**podman logs** [*options*] *container* [*container...*] + +**podman container logs** [*options*] *container* [*container...*] + +## DESCRIPTION +The podman logs command batch-retrieves whatever logs are present for one or more containers at the time of execution. +This does not guarantee execution order when combined with podman run (i.e. your run may not have generated +any logs at the time you execute podman logs). + +## OPTIONS + +@@option color + +@@option follow + +#### **--latest**, **-l** + +Instead of providing the container name or ID, use the last created container. If you use methods other than Podman +to run containers such as CRI-O, the last started container could be from either of those methods. (This option is not available with the remote Podman client, including Mac and Windows (excluding WSL2) machines) + +@@option names + +@@option since + +@@option tail + +@@option timestamps + +@@option until + +## EXAMPLE + +To view a container's logs: +``` +podman logs -t b3f2436bdb978c1d33b1387afb5d7ba7e3243ed2ce908db431ac0069da86cb45 + +2017/08/07 10:16:21 Seeked /var/log/crio/pods/eb296bd56fab164d4d3cc46e5776b54414af3bf543d138746b25832c816b933b/c49f49788da14f776b7aa93fb97a2a71f9912f4e5a3e30397fca7dfe0ee0367b.log - &{Offset:0 Whence:0} +1:C 07 Aug 14:10:09.055 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo +1:C 07 Aug 14:10:09.055 # Redis version=4.0.1, bits=64, commit=00000000, modified=0, pid=1, just started +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 +1:M 07 Aug 14:10:09.055 # You requested maxclients of 10000 requiring at least 10032 max file descriptors. +1:M 07 Aug 14:10:09.055 # Server can't set maximum open files to 10032 because of OS error: Operation not permitted. +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'. +1:M 07 Aug 14:10:09.056 * Running mode=standalone, port=6379. +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. +1:M 07 Aug 14:10:09.056 # Server initialized +``` + +To view only the last two lines in container's log: +``` +podman logs --tail 2 b3f2436bdb97 + +# WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128. +# Server initialized +``` + +To view all containers logs: +``` +podman logs -t --since 0 myserver + +1:M 07 Aug 14:10:09.055 # Server can't set maximum open files to 10032 because of OS error: Operation not permitted. +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'. +1:M 07 Aug 14:10:09.056 * Running mode=standalone, port=6379. +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. +1:M 07 Aug 14:10:09.056 # Server initialized +``` + +To view a containers logs since a certain time: +``` +podman logs -t --since 2017-08-07T10:10:09.055837383-04:00 myserver + +1:M 07 Aug 14:10:09.055 # Server can't set maximum open files to 10032 because of OS error: Operation not permitted. +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'. +1:M 07 Aug 14:10:09.056 * Running mode=standalone, port=6379. +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. +1:M 07 Aug 14:10:09.056 # Server initialized +``` + +To view a container's logs generated in the last 10 minutes: +``` +podman logs --since 10m myserver + +# Server can't set maximum open files to 10032 because of OS error: Operation not permitted. +# 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'. +``` + +To view a container's logs until 30 minutes ago: +``` +podman logs --until 30m myserver + +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 +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 +[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 +[Tue Jul 20 13:18:14.223819 2021] [core:notice] [pid 1:tid 140021067187328] AH00094: Command line: 'httpd -D FOREGROUND' +``` + +## SEE ALSO +**[podman(1)](podman.1.md)**, **[podman-run(1)](podman-run.1.md)**, **[podman-container-rm(1)](podman-container-rm.1.md)** + +## HISTORY +February 2018, Updated by Brent Baude <bbaude@redhat.com> + +August 2017, Originally compiled by Ryan Cole <rycole@redhat.com> |