Interview Questions

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February 11, 2026

Aws Devops Interview Questions:: ================================= ===================================== 1).your pods are restarting again and again ? So what is going on? 2).your ec2 instances terminated itself.is it autoscaling and is it health check issues or its somwthigs else . So how will you answer that ? 3).The docker image works fine. But image file fails into productions ? So what u will do that into it ? =============================================== * Check container logs (docker logs / kubectl logs) * Verify environment variables and secrets * Confirm required files are copied in the Dockerfile * Check file and folder permissions * Ensure the app listens on 0.0.0.0, not localhost * Verify CPU/memory limits * Confirm correct image tag and architecture * Reproduce the issue in staging and redeploy ================================================= 4).what will happen if image you will delete the image from which your container is running into the docker enviornment? ===...

February 10, 2026

Terraform Interview Questions: ==================================== 1).what is the difference between terraform import and terraform move into terraform into our envrionment? Effect on Terraform state * terraform import * Adds an existing resource to the Terraform state. * Does not create or modify the actual infrastructure. * terraform mv * Moves or renames an existing resource within the Terraform state only. * No impact on real infrastructure. ================== terraform import aws_instance.my_ec2 i-1234567890abcdef ===================== terraform mv aws_instance.old_name aws_instance.new_name ======================= 2).write a block for ec2 using the Terraform? 3).which terraform version we have to used into terraform > 1.5 and 1.6 version we have to used into it … 4).can you explain me the terraform import usage into terraform > What is Terraform import? * terraform import is used to bring existing infrastructure into Terraform state * The resou...

February 10, 2026

Linux Interview Questions: =========================== Linux Interview questions : ============================= 1).how much u can rate of yourself into linux os? 2). How to search error into multiple sub directories? grep -r "ERROR" /path/to/logs/ 3).if you want to search the multiple pattern .just error logs . And failed logs and critical logs also and multiple pattern u can use it ? So how u are goig to do it ? egrep -“E ERROR|FAILED|CRITICAL" /var/log/syslog 4).if you want to career the partition even u don’t’ have any space iisue and permiosnisuse and disks space suite ? So how do to it ? 5).what is the inode into linux os ? 6).what is the softlink and hardlink into linux os ? 7).how would different from the cp and hardlink command into linux os ? 8).find the logs for 3 days back . Want to list out the files and delete those file into linux os > So how to do it ? 9).what is the called as the Curley brasis> And semicolon? This is the placeholder Y...

February 09, 2026

Terraform Interview Questions: ==================================== 1).what is the difference between terraform import and terraform move into terraform into our env Effect on Terraform state * terraform import * Adds an existing resource to the Terraform state. * Does not create or modify the actual infrastructure. * terraform mv * Moves or renames an existing resource within the Terraform state only. * No impact on real infrastructure. ================== terraform import aws_instance.my_ec2 i-1234567890abcdef ===================== terraform mv aws_instance.old_name aws_instance.new_name ======================= 2).write a block for ec2 using the Terraform? 3).which terraform version we have to used into terraform > 1.5 and 1.6 version we have to used into it … 4).can you explain me the terraform import usage into terraform > What is Terraform import? * terraform import is used to bring existing infrastructure into Terraform state * The resource alrea...

February 08, 2026

Case type Description Solution Application migration A company plans to migrate its legacy application to AWS. The application is data-intensive and requires low-latency access for users across the globe. What AWS services and architecture would you recommend to ensure high availability and low latency? EC2 for compute S3 for storage CloudFront for content delivery Route 53 for DNS routing Disaster recovery Your organization wants to implement a disaster recovery plan for its critical AWS workloads with an RPO (Recovery Point Objective) of 5 minutes and an RTO (Recovery Time Objective) of 1 hour. Describe the AWS services you would use to meet these objectives. Backup for regular backups of critical data and systems with a 5-minute recovery points objective (RPO) CloudFormation to define and provision the disaster recovery infrastructure across multiple regions Enable Cross Region Replication in S3 to replicate backups across regions Setup CloudWatch alarms to monitor systems an...

February 06, 2026

What is LDAP service in Linux? LDAP (Lightweight Directory Access Protocol) is a directory service used to store and manage centralized information, such as: * Users and passwords * Groups * Computers * Email addresses * Application authentication data On Linux, LDAP is commonly used for: * Centralized user login * Authentication and authorization * Integration with applications (GitLab, Jenkins, mail servers) * Active Directory integration Think of LDAP as a central phonebook for users and systems 📒 ========================== How LDAP works (simple flow) 1. Client asks LDAP server: “Is this user valid?” 2. LDAP server checks directory 3. Server responds with yes/no and user details Common LDAP service in Linux * OpenLDAP (slapd) → most widely used LDAP server on Linux Service name: slapd LDAP Port Numbers Protocol Port Description LDAP 389/TCP Plain LDAP LDAPS 636/TCP Secure LDAP (SSL/TLS) LDAP + STARTTLS 389/TCP Encrypted over standard LDAP 📌 389 = default 📌 636 = secure (l...