Sigmoid Devops Engineer Interview Questions and Answers

Code to convert number into string

• Use a built-in function like str() in Python to convert a number into a string

• In JavaScript, you can use the toString() method to convert a number into a string

• In Java, you can use Integer.toString() to convert an integer into a string

To create a VPN, you need to set up a VPN server and configure client devices to connect to it securely.

• Choose a VPN protocol (e.g. OpenVPN, L2TP/IPsec, IKEv2)

• Set up a VPN server on a dedicated machine or cloud service

• Configure firewall rules to allow VPN traffic

• Generate and distribute VPN client certificates or credentials

• Install VPN client software on devices and connect to the VPN server

CI stands for Continuous Integration and CD stands for Continuous Delivery/Continuous Deployment.

• CI is the practice of merging code changes into a shared repository frequently, which triggers automated builds and tests.

• CD is the practice of automating the delivery of applications to various environments, such as staging or production, after passing tests in CI.

• CI/CD pipelines help streamline the software development pr...read more

Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications.

• Kubernetes is used to manage containerized applications across multiple hosts.

• It provides features like automatic scaling, self-healing, and rolling updates.

• To get a list of all pods, use the command 'kubectl get pods'.

• To delete multiple pods in one command line, use the com

NodePort, Ingress, and LoadBalancer are Kubernetes services used for exposing applications externally.

• NodePort is a service that exposes an application on a static port on each node in the cluster.

• Ingress is a service that exposes HTTP and HTTPS routes from outside the cluster to services within the cluster.

• LoadBalancer is a service that exposes an application externally using a cloud provider's load balancer.

• NodePort ...read more