If using a Kubelet config file, edit the file to set authentication: anonymous: enabled to
false.
If using executable arguments, edit the kubelet service file
$kubeletsvc on each worker node and
set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
--anonymous-auth=false
Based on your system, restart the kubelet service. For example,
systemctl daemon-reload
systemctl restart kubelet.service
If using a Kubelet config file, edit the file to set authorization.mode to Webhook. If
using executable arguments, edit the kubelet service file
$kubeletsvc on each worker node and
set the below parameter in KUBELET_AUTHZ_ARGS variable.
–authorization-mode=Webhook
Based on your system, restart the kubelet service. For example,
systemctl daemon-reload
systemctl restart kubelet.service
If using a Kubelet config file, edit the file to set authentication.x509.clientCAFile to
the location of the client CA file.
If using command line arguments, edit the kubelet service file
$kubeletsvc on each worker node and
set the below parameter in KUBELET_AUTHZ_ARGS variable.
–client-ca-file=<path/to/client-ca-file>
Based on your system, restart the kubelet service. For example,
systemctl daemon-reload
systemctl restart kubelet.service
If using a Kubelet config file, edit the file to set readOnlyPort to 0.
If using command line arguments, edit the kubelet service file
$kubeletsvc on each worker node and
set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
–read-only-port=0
Based on your system, restart the kubelet service. For example,
systemctl daemon-reload
systemctl restart kubelet.service
If using a Kubelet config file, edit the file to set streamingConnectionIdleTimeout to a
value other than 0.
If using command line arguments, edit the kubelet service file
$kubeletsvc on each worker node and
set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
–streaming-connection-idle-timeout=5m
Based on your system, restart the kubelet service. For example,
systemctl daemon-reload
systemctl restart kubelet.service
If using a Kubelet config file, edit the file to set protectKernelDefaults to true.
If using command line arguments, edit the kubelet service file
$kubeletsvc on each worker node and
set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
–protect-kernel-defaults=true
Based on your system, restart the kubelet service. For example:
systemctl daemon-reload
systemctl restart kubelet.service
If using a Kubelet config file, edit the file to set makeIPTablesUtilChains to true.
If using command line arguments, edit the kubelet service file
$kubeletsvc on each worker node and
remove the –make-iptables-util-chains argument from the
KUBELET_SYSTEM_PODS_ARGS variable.
Based on your system, restart the kubelet service. For example:
systemctl daemon-reload
systemctl restart kubelet.service
Edit the kubelet service file $kubeletsvc on each worker node and remove the –hostname-override argument from the KUBELET_SYSTEM_PODS_ARGS variable. Based on your system, restart the kubelet service. For example, systemctl daemon-reload systemctl restart kubelet.service
If using a Kubelet config file, edit the file to set eventRecordQPS to an appropriate level.
If using command line arguments, edit the kubelet service file
$kubeletsvc on each worker node and
set the below parameter in KUBELET_SYSTEM_PODS_ARGS variable.
Based on your system, restart the kubelet service. For example,
systemctl daemon-reload
systemctl restart kubelet.service
If using a Kubelet config file, edit the file to set tlsCertFile to the location
of the certificate file to use to identify this Kubelet, and tlsPrivateKeyFile
to the location of the corresponding private key file.
If using command line arguments, edit the kubelet service file
$kubeletsvc on each worker node and
set the below parameters in KUBELET_CERTIFICATE_ARGS variable.
–tls-cert-file=<path/to/tls-certificate-file>
–tls-private-key-file=<path/to/tls-key-file>
Based on your system, restart the kubelet service. For example,
systemctl daemon-reload
systemctl restart kubelet.service
If using a Kubelet config file, edit the file to add the line rotateCertificates to true or
remove it altogether to use the default value.
If using command line arguments, edit the kubelet service file
$kubeletsvc on each worker node and
remove –rotate-certificates=false argument from the KUBELET_CERTIFICATE_ARGS
variable.
Based on your system, restart the kubelet service. For example,
systemctl daemon-reload
systemctl restart kubelet.service
Edit the kubelet service file $kubeletsvc on each worker node and set the below parameter in KUBELET_CERTIFICATE_ARGS variable. –feature-gates=RotateKubeletServerCertificate=true Based on your system, restart the kubelet service. For example: systemctl daemon-reload systemctl restart kubelet.service
If using a Kubelet config file, edit the file to set TLSCipherSuites to
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256
or to a subset of these values.
If using executable arguments, edit the kubelet service file
$kubeletsvc on each worker node and
set the –tls-cipher-suites parameter as follows, or to a subset of these values.
–tls-cipher-suites=TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256
Based on your system, restart the kubelet service. For example:
systemctl daemon-reload
systemctl restart kubelet.service