Category: Uncategorized

Create a user: Rename a user: Grant all: Grant all to a database starts with “test_”: From MySQL website: The _ and % wildcards are permitted when specifying database names in GRANT statements that grant privileges at the database level (GRANT … ON db_name.*). This means, for example, that to use a _ character as part of a database name, specify it using the \ escape…

Create the Secret for you docker registry: To double check: Create a test pod: For pod, setting the imagePullSecrets only available using the –overrides flag when you create the pod. After the pod is created, you cannot edit the imagePullSecrets using kubectl edit or patch. DEPLOYMENT You can edit the deployment manifest and add the…

Git references located in .git/refs folder .git/refs/heads is the position of commit based on branch (HEAD) in the local repository .git/refs/remotes/<remote-name> is the position of commit based on branch (HEAD) in the remote repository .git/refs/tags is the position of commit based on tag in the local repository Push commit to new remote branch Since this…

Find the files you want to delete: References:

Both are used to include external file to the script. Include When the file we are trying to include does not exist or the permission is incorrect, this will give you a warning and continue the script. Require When the file we are trying to include does not exist or the permission is incorrect, this…

Session Start a session CTRL-b + d – Detach from current session List sessions CTRL-b + s – Show sessions from inside the session Attach to a session Rename a “nameless” session to something meaningful CTRL-b + $ – Rename current session from inside the session Window CTRL-b + c – Create a new window…

Install Kubernetes GatewayAPI Install Nginx CRD Install Nginx Create NodePort Service Create Gateway resource References:

In this example, request to /echo or /echo/ (because of the type: PathPrefix) will be rewritten as / and becomes the request of “web” Service. In this example, request only to /echo (because of the type: Exact) will be rewritten as / and becomes the request of “web” Service.

Service When you create a resource of type Service using kubectl create command, Kubernetes will auto create Endpoints and EndpointSlice. If you are creating the Service using YAML file, then you need to make sure to add spec.selector part. Or else, it will not auto create Endpoint and EndpointSlice. Even though you forget to add…

Docker: References: