I4S Infra Security & Solution Interview Questions and Answers

Dockerfile arguments, retaining container data, and EXPOSE command usage explained.

• Dockerfile arguments can be used to pass values to the Dockerfile at build time, allowing for flexibility in building images.

• To retain data in a Docker container, you can use volumes to persist data outside of the container's filesystem.

• The EXPOSE command in a Dockerfile is used to specify the port on which a container listens for connections, but it is not required for the container to functio...read more

To use variables between stages in Jenkins, use the 'stash' and 'unstash' steps. Yes, you can run 100 jobs in Jenkins.

• Use 'stash' step to save variables in one stage and 'unstash' step to retrieve them in another stage

• Variables can also be passed between stages using 'environment' directive in Jenkins pipeline

• To run 100 jobs in Jenkins, you can use Jenkins pipeline to automate the process

Kubernetes architecture, kubectl create vs apply, user access management, Role and RoleBinding, Kubernetes certificates

• Kubernetes architecture typically consists of master nodes and worker nodes, with the master nodes managing the cluster and worker nodes running applications.

• kubectl create is used to create new resources in Kubernetes, while kubectl apply is used to create or update resources based on a configuration file.

• To give access to a new user on Kubernetes, you can c...read more

To access an EC2 instance without a PEM key, you can use AWS Systems Manager Session Manager or create a new key pair and attach it to the instance. There are different types of S3 storage classes such as Standard, Intelligent-Tiering, Glacier, etc.

• Use AWS Systems Manager Session Manager to access EC2 without a PEM key

• Create a new key pair and attach it to the EC2 instance

• S3 storage classes include Standard, Intelligent-Tiering, Glacier, etc.

Committing changes to a remote Git repository

• Add changes to the staging area using 'git add '

• Commit the changes to the local repository using 'git commit -m 'commit message''

• Push the changes to the remote repository using 'git push'