How to Use a Bastion Server to Administer Kubernetes

1. Accessing the Bastion Server from Your Laptop:

To access the bastion server from your local machine, use the following SSH command:

ssh -i /path/to/private_key.pem username@bastion_server_ip

Example:

ssh -i /home/naresh/naresh_egov.pem naresh_egov@12.13.14.15

2. Copying Files from Local Machine to Bastion Server:

To copy a directory or file from your local machine to the bastion server, use this command:

scp -r -i /path/to/private_key.pem /path/to/local_directory_or_file username@bastion_server_ip:/path/to/remote_directory_or_file

Example:

scp -r -i home/naresh/naresh_egov.pem /tmp naresh_egov@12.13.14.225:/tmp

3. Copying Files from Bastion Server to Local Machine:

To copy a directory or file from the bastion server to your local machine, use this command:

scp -r -i /path/to/private_key.pem username@bastion_server_ip:/path/to/remote_directory_or_file /path/to/local_directory_or_file

Example:

scp -r -i home/naresh/naresh_egov.pem naresh_egov@12.13.14.225:/tmp /home/naresh

Login to Bastion server via ssh command, if kubeconfig is already configured, use the following command to get the shell access to the playground pod

kubectl exec -it <playground-pod-name> -n playground -- /bin/sh