Author: Website Admin

Create an XML file: Then apply it with: You can check the CORS with: To remove CORS: References:

To configure the built-in Traefik, first we create a new YAML file: Apply the new YAML file with kubectl. To revert back to original config: References:

IngressRoute is Traefik CustomResourceDefinition (CRD). It is used to manage access external access to the services. Same function as Ingress, just different implementations. Middleware is also Traefik CustomResourceDefinition (CRD). It is used to “tweak” your request and/or response. Using Ingress, we apply the Middleware by adding it as an annotations. Using IngressRoute, we define the…

Generate a private key: Generate a certificate signing request (csr) from private key: CN is the user, O is the group. We create CertificateSigningRequest to Kubernetes: .spec.signerName read here. Once you send the CSR, you can query it with: Now Admin will approve/deny the CSR: Once you got approved, fetch the signed certificate and wrap…

RoleBinding in Kubernetes is used to tie together ServiceAccount and/or User and/or Group to particular Role/ClusterRole. RoleBinding is limited within a particular namespace, whereas ClusterRoleBinding is global. Binding Role to ServiceAccount : Binding Role to User: Binding Role to Group: Once you bind, you can check the permission with: Refrences:

Role and ClusterRole in Kubernetes is used to limit access to Kubernetes API. Role is limited within a particular namespace, whereas ClusterRole is global. To create Role: To get the list of the resources: To get the list of verbs related to a particular resource: Resources:

ServiceAccount is used for the pods to access API server, among other things. Every namespace has at least one ServiceAccount called default. To create a ServiceAccount: We will create ServiceAccount called Foo and attach this SA to a Pod: Token is used to access Kubernetes API server. To generate token for that SA: References:

“topics.dir“: track at files under folder s3://my-bucket/quickstart/. Use a blank space (” “) to track files under the bucket root s3://my-bucket/. If you do not set this, by default it will use folder s3://my-bucket/topics/ “topic.regex.list“: track file “.*” (any), “.*\.json” (.json) and write it to Kafka topic “quick-start-topic” “format.class“: read here “mode“: there are 2…

To edit keyboard layout, go to: For US layout: To reinstall messed up keyboard layout:

Once you fire up Kafka Connect, you will need to install JDBC plugin from confluent hub: Then you will need to download MariaDB/MySQL connector (it is not included with the JDBC) and drop it into the plugin directory. If you are using MySQL connector, choose the “Platform Independent” and extract the tar/zip. You will find…