Devops Interview Questions

Networking

How DNS works?

Hard

Linux

How to disable swap space?

Medium

Linux

How to sort processes based on memory?

Hard

Linux

How to check disk IOPS in Linux?

Medium

Linux

How to check permissions of a file?

Easy

Docker

How to reduce size of a docker image?

Hard

Linux

What is setuid and setgid bit?

Medium

Kubernetes

What is the difference between deploying an application on Kubernetes pod and host machines?

Medium

Linux

How to flush iptable rules in linux?

Medium

Linux

What is the difference between route and iptables command?

Hard

Kubernetes

What is headless service?

Medium

Jenkins

What is DSL in jenkins?

Hard

Kubernetes

What are deployment strategies in Kubernetes Deployment?

Medium

Docker

How to remove all the docker containers and images?

Medium

Linux

How to list network interfaces in Linux?

Easy

Networking

How to get ip address related to a DNS?

Easy

Linux

What is crontab?

Easy

Linux

What is log rotation?

Easy

Linux

How to delete files, older than 7days, from a folder?

Medium

Linux

How to change hostname?

Easy

Linux

How to check ip address of your machine?

Easy

Linux

How to check running services?

Medium

Linux

How to check swap space size in linux?

Easy

Linux

How to check available RAM in linux?

Easy

Linux

How to check number of cores available in linux?

Easy