IBM AWS and Linux Administrator Interview Questions and Answers

Q1. S3 storwge class
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Q2. Day to day activities in current role
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Q3. Amazon vpc advantages vpc peering
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Q4. Jenkins pipeline building
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Q5. Terraform validate command
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Q1. What is lvm how it is work?
Ans. 
LVM stands for Logical Volume Manager, a tool used to manage disk storage in Linux systems.
• LVM allows for dynamic resizing of logical volumes without downtime.

• It consists of physical volumes, volume groups, and logical volumes.

• Commands like pvcreate, vgcreate, lvcreate are used to create and manage LVM.

• LVM provides flexibility in managing storage space by allowing logical volumes to span multiple physical disks.
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Q2. How to mount nfs?
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To mount NFS, use the 'mount' command with the NFS server IP address and the mount point on the local machine.
• Use the 'mount' command followed by the NFS server IP address and the mount point on the local machine

• For example: sudo mount 192.168.1.100:/shared_folder /mnt/nfs_share

• Ensure that the NFS server is properly configured and accessible from the local machine
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Q3. How to do patching.
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Patching involves applying updates to software to fix vulnerabilities and improve performance.
• Identify the software that needs to be patched

• Download the appropriate patches from the vendor's website

• Test the patches in a non-production environment before applying them to production systems

• Schedule downtime for applying patches to minimize disruption

• Document the patching process for future reference
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Q4. How to rollback package
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To rollback a package, use package manager to uninstall current version and install previous version.
• Use package manager to uninstall current version of the package

• Install the previous version of the package using package manager

• Check for any dependencies that may need to be rolled back as well
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Q5. How to remove older kernel
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To remove older kernels in Linux, use package management tools like apt or yum.
• Use 'apt autoremove' command in Debian-based systems to remove old kernels

• Use 'yum remove ' command in Red Hat-based systems to remove old kernels

• Check available kernels with 'uname -r' command before removing
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Q1. How can I grant SFTP access exclusively to the user David?
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Grant SFTP access exclusively to user David
• Create a new group specifically for David, e.g. 'davidgroup'

• Set the ChrootDirectory in the SSH configuration file to restrict David's access to a specific directory

• Add David to the 'davidgroup' and configure the necessary permissions for SFTP access
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Q2. How can a user be locked out after 6 unsuccessful password attempts for a duration of 30 minutes?
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To lock a user out after 6 unsuccessful password attempts for 30 minutes, modify the PAM configuration file.
• Edit the PAM configuration file (/etc/pam.d/common-auth) to include the 'pam_tally2' module.

• Set the 'deny' option in the 'pam_tally2' module to lock the user out after 6 failed attempts.

• Specify the 'unlock_time' option in the 'pam_tally2' module to set the duration of the lockout period to 30 minutes.

• Example: aut
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Q1. Tell Me About Yourself.
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Q2. What is aws technology
Ans. 
AWS technology refers to the suite of cloud computing services provided by Amazon Web Services.
• Amazon Web Services (AWS) offers a wide range of cloud computing services such as computing power, storage, and databases.

• AWS technology allows businesses to scale and grow without the need for large upfront investments in hardware.

• Examples of AWS services include Amazon EC2 for virtual servers, Amazon S3 for storage, and Ama
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Q3. What is the use s3 bucket in aws
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S3 bucket in AWS is a scalable storage solution for storing objects such as files, images, videos, and backups.
• Used for storing and retrieving data in the cloud

• Highly scalable and durable storage solution

• Can be used for hosting static websites or storing backups

• Objects stored in S3 can be secured using access control policies and encryption

• Can be integrated with other AWS services like EC2, Lambda, and CloudFront
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Q4. How to create account RDS
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To create an RDS account, you need to sign up for an AWS account and then navigate to the RDS service in the AWS Management Console.
• Sign up for an AWS account if you don't already have one

• Navigate to the RDS service in the AWS Management Console

• Click on 'Create database' to start the process

• Choose the database engine, version, and other configuration settings

• Specify the database credentials and security settings

• Review
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Q1. Tell me about your self
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Q2. What is key elements in aws
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Key elements in AWS include compute, storage, databases, networking, security, and management tools.
• Compute services like EC2, Lambda, and Elastic Beanstalk

• Storage services like S3, EBS, and Glacier

• Database services like RDS, DynamoDB, and Redshift

• Networking services like VPC, Route 53, and Direct Connect

• Security services like IAM, KMS, and WAF

• Management tools like CloudWatch, CloudFormation, and AWS Config
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Q3. What is vps in aws
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VPS in AWS stands for Virtual Private Server, which is a virtualized server that runs on a cloud computing environment.
• VPS in AWS provides users with dedicated resources and control over their server environment

• Users can customize their VPS with specific configurations and software

• VPS instances in AWS can be easily scaled up or down based on demand

• Examples of VPS services in AWS include Amazon EC2 (Elastic Compute Clou
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Q1. Why want to work in Tech m
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Q2. Why want to work in Tech M
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Q1. Current environment an support
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The current environment and support for AWS Solution Architect
• Current environment includes infrastructure, applications, and services being used

• Support refers to resources available for troubleshooting and maintenance

• Examples of support could include ticketing system, monitoring tools, and documentation
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Q1. Jenkins devops tools sonar nexus
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Q2. Aws cli questions python questions
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Q3. Kubernetes pod creation teplicatset events in kubernetes ingress controller
Ans. 
Kubernetes pod creation and replicaset events in Kubernetes Ingress controller.
• Pod creation involves defining a pod specification in a YAML file and using 'kubectl create' command to create the pod.

• Replicaset events can be monitored using 'kubectl describe replicaset' command to check for events related to the replicaset.

• Ingress controller manages external access to services in a Kubernetes cluster by routing traffic b...read more
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Q1. Jenkins job creation image in docker
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Creating a Jenkins job using an image in Docker
• Create a Dockerfile with necessary configurations for Jenkins job

• Build a Docker image using the Dockerfile

• Run a Jenkins container using the Docker image

• Configure Jenkins job to use the Docker image as the build environment
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Q2. Pod creation servers creation docker login
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Q3. Hakkakbankaklananbakakanannala
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Q1. How to check the integrity of a file system or consistency of the file sys tem
Ans. 
File system integrity can be checked using fsck command in Linux.
• Use fsck command to check and repair file system errors

• Run fsck on unmounted file systems for accurate results

• Use options like -y to automatically repair errors without user intervention
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