kubectl logs - Print the logs for a container in a pod
kubectl logs [OPTIONS]
Print the logs for a container in a pod or specified resource. If the pod has only one container, the container name is optional.
--all-containers=false
Get all containers' logs in the pod(s).
-c, --container=""
Print the logs of this container
-f, --follow=false
Specify if the logs should be streamed.
--ignore-errors=false
If watching / following pod logs, allow for any errors that occur to be non-fatal
--limit-bytes=0
Maximum bytes of logs to return. Defaults to no limit.
--max-log-requests=5
Specify maximum number of concurrent logs to follow when using by a selector. Defaults to 5.
--pod-running-timeout=20s
The length of time (like 5s, 2m, or 3h, higher than zero) to wait until at least one pod is running
-p, --previous=false
If true, print the logs for the previous instance of the container in a pod if it exists.
-l, --selector=""
Selector (label query) to filter on.
--since=0s
Only return logs newer than a relative duration like 5s, 2m, or 3h. Defaults to all logs. Only one of since-time / since may be used.
--since-time=""
Only return logs after a specific date (RFC3339). Defaults to all logs. Only one of since-time / since may be used.
--tail=-1
Lines of recent log file to display. Defaults to -1 with no selector, showing all log lines otherwise 10, if a selector is provided.
--timestamps=false
Include timestamps on each line in the log output
--alsologtostderr=false
log to standard error as well as files
--application-metrics-count-limit=100
Max number of application metrics to store (per container)
--as=""
Username to impersonate for the operation
--as-group=[]
Group to impersonate for the operation, this flag can be repeated to specify multiple groups.
--azure-container-registry-config=""
Path to the file containing Azure container registry configuration information.
--boot-id-file="/proc/sys/kernel/random/boot_id"
Comma-separated list of files to check for boot-id. Use the first one that exists.
--cache-dir="/home/philippe/.kube/http-cache"
Default HTTP cache directory
--certificate-authority=""
Path to a cert file for the certificate authority
--client-certificate=""
Path to a client certificate file for TLS
--client-key=""
Path to a client key file for TLS
--cloud-provider-gce-lb-src-cidrs=130.211.0.0/22,209.85.152.0/22,209.85.204.0/22,35.191.0.0/16
CIDRs opened in GCE firewall for LB traffic proxy health checks
--cluster=""
The name of the kubeconfig cluster to use
--container-hints="/etc/cadvisor/container_hints.json"
location of the container hints file
--containerd="/run/containerd/containerd.sock"
containerd endpoint
--containerd-namespace="k8s.io"
containerd namespace
--context=""
The name of the kubeconfig context to use
--default-not-ready-toleration-seconds=300
Indicates the tolerationSeconds of the toleration for notReady:NoExecute that is added by default to every pod that does not already have such a toleration.
--default-unreachable-toleration-seconds=300
Indicates the tolerationSeconds of the toleration for unreachable:NoExecute that is added by default to every pod that does not already have such a toleration.
--docker="unix:///var/run/docker.sock"
docker endpoint
--docker-env-metadata-whitelist=""
a comma-separated list of environment variable keys that needs to be collected for docker containers
--docker-only=false
Only report docker containers in addition to root stats
--docker-root="/var/lib/docker"
DEPRECATED: docker root is read from docker info (this is a fallback, default: /var/lib/docker)
--docker-tls=false
use TLS to connect to docker
--docker-tls-ca="ca.pem"
path to trusted CA
--docker-tls-cert="cert.pem"
path to client certificate
--docker-tls-key="key.pem"
path to private key
--enable-load-reader=false
Whether to enable cpu load reader
--event-storage-age-limit="default=0"
Max length of time for which to store events (per type). Value is a comma separated list of key values, where the keys are event types (e.g.: creation, oom) or "default" and the value is a duration. Default is applied to all non-specified event types
--event-storage-event-limit="default=0"
Max number of events to store (per type). Value is a comma separated list of key values, where the keys are event types (e.g.: creation, oom) or "default" and the value is an integer. Default is applied to all non-specified event types
--global-housekeeping-interval=1m0s
Interval between global housekeepings
--housekeeping-interval=10s
Interval between container housekeepings
--insecure-skip-tls-verify=false
If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure
--kubeconfig=""
Path to the kubeconfig file to use for CLI requests.
--log-backtrace-at=:0
when logging hits line file:N, emit a stack trace
--log-cadvisor-usage=false
Whether to log the usage of the cAdvisor container
--log-dir=""
If non-empty, write log files in this directory
--log-file=""
If non-empty, use this log file
--log-file-max-size=1800
Defines the maximum size a log file can grow to. Unit is megabytes. If the value is 0, the maximum file size is unlimited.
--log-flush-frequency=5s
Maximum number of seconds between log flushes
--logtostderr=true
log to standard error instead of files
--machine-id-file="/etc/machine-id,/var/lib/dbus/machine-id"
Comma-separated list of files to check for machine-id. Use the first one that exists.
--match-server-version=false
Require server version to match client version
-n, --namespace=""
If present, the namespace scope for this CLI request
--password=""
Password for basic authentication to the API server
--profile="none"
Name of profile to capture. One of (none|cpu|heap|goroutine|threadcreate|block|mutex)
--profile-output="profile.pprof"
Name of the file to write the profile to
--request-timeout="0"
The length of time to wait before giving up on a single server request. Non-zero values should contain a corresponding time unit (e.g. 1s, 2m, 3h). A value of zero means don't timeout requests.
-s, --server=""
The address and port of the Kubernetes API server
--skip-headers=false
If true, avoid header prefixes in the log messages
--skip-log-headers=false
If true, avoid headers when opening log files
--stderrthreshold=2
logs at or above this threshold go to stderr
--storage-driver-buffer-duration=1m0s
Writes in the storage driver will be buffered for this duration, and committed to the non memory backends as a single transaction
--storage-driver-db="cadvisor"
database name
--storage-driver-host="localhost:8086"
database host:port
--storage-driver-password="root"
database password
--storage-driver-secure=false
use secure connection with database
--storage-driver-table="stats"
table name
--storage-driver-user="root"
database username
--token=""
Bearer token for authentication to the API server
--update-machine-info-interval=5m0s
Interval between machine info updates.
--user=""
The name of the kubeconfig user to use
--username=""
Username for basic authentication to the API server
-v, --v=0
number for the log level verbosity
--version=false
Print version information and quit
--vmodule=
comma-separated list of pattern=N settings for file-filtered logging
# Return snapshot logs from pod nginx with only one container kubectl logs nginx # Return snapshot logs from pod nginx with multi containers kubectl logs nginx --all-containers=true # Return snapshot logs from all containers in pods defined by label app=nginx kubectl logs -lapp=nginx --all-containers=true # Return snapshot of previous terminated ruby container logs from pod web-1 kubectl logs -p -c ruby web-1 # Begin streaming the logs of the ruby container in pod web-1 kubectl logs -f -c ruby web-1 # Begin streaming the logs from all containers in pods defined by label app=nginx kubectl logs -f -lapp=nginx --all-containers=true # Display only the most recent 20 lines of output in pod nginx kubectl logs --tail=20 nginx # Show all logs from pod nginx written in the last hour kubectl logs --since=1h nginx # Return snapshot logs from first container of a job named hello kubectl logs job/hello # Return snapshot logs from container nginx-1 of a deployment named nginx kubectl logs deployment/nginx -c nginx-1
kubectl(1),
January 2015, Originally compiled by Eric Paris (eparis at redhat dot com) based on the kubernetes source material, but hopefully they have been automatically generated since!