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IBM
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git fetch downloads changes from the remote repository, while git pull downloads changes and merges them into the current branch.
git fetch only downloads changes from the remote repository, but does not merge them into the current branch
git pull downloads changes from the remote repository and merges them into the current branch
git fetch is useful for reviewing changes before merging, while git pull is a shortcut for f
The 'add' command is used to add files from the source directory to the destination directory in a Dockerfile, while the 'copy' command is used to copy files from the source directory to the destination directory in a Dockerfile.
The 'add' command can also accept URLs as the source, while the 'copy' command cannot.
The 'add' command can automatically extract compressed files, while the 'copy' command cannot.
The 'copy' co...
Error encountered during pod creation can be due to various reasons such as incorrect configuration, resource constraints, network issues, or image availability.
Check the pod configuration file for any syntax errors or misconfigurations
Ensure that there are enough resources available on the cluster for pod creation
Verify network connectivity and DNS resolution within the cluster
Check if the container image specified in...
I was interviewed in Sep 2019.
I applied via Naukri.com and was interviewed in Jun 2022. There were 3 interview rounds.
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I applied via Naukri.com and was interviewed in Jan 2021. There were 3 interview rounds.
Explanation of NACL, Security Groups, Docker Swarm, and Jenkins installation process.
NACL is a stateless firewall that controls inbound and outbound traffic at the subnet level.
Security Groups are stateful firewalls that control inbound and outbound traffic at the instance level.
Docker Swarm is a container orchestration tool that manages a cluster of Docker hosts.
Jenkins can be installed on a server using a package man...
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How aws vs verulation.
Nacl is a stateless firewall while security group is a stateful firewall in AWS.
NACL operates at the subnet level, while security groups operate at the instance level.
NACL rules are evaluated in order, while security group rules are evaluated independently.
NACLs are stateless, meaning you must create rules for both inbound and outbound traffic, while security groups are stateful.
NACLs are more flexible in terms of allo...
I applied via Approached by Company and was interviewed in Feb 2024. There were 2 interview rounds.
AWS Lambda is a serverless computing service that runs code in response to events and automatically manages the computing resources required.
Lambda functions are triggered by events such as changes to data in an S3 bucket, updates to a DynamoDB table, or HTTP requests via API Gateway.
Lambda functions can be written in languages like Node.js, Python, Java, and more.
AWS Lambda automatically scales to handle the incoming ...
VPC stands for Virtual Private Cloud, a virtual network dedicated to your AWS account.
VPC allows you to create a logically isolated section of the AWS Cloud where you can launch AWS resources.
You can define your own IP address range, create subnets, configure route tables, and network gateways within a VPC.
VPC provides security by allowing you to control inbound and outbound traffic to and from your AWS resources.
You c...
A pod in K8s is the smallest deployable unit in Kubernetes, consisting of one or more containers that share resources.
Pods are used to group containers that need to work together, such as a web server and a database.
Pods share the same network namespace and can communicate with each other using localhost.
Pods can be managed, scaled, and monitored as a single unit in Kubernetes.
Each pod has a unique IP address within th
Terraform state file is a file that stores the state of your infrastructure managed by Terraform.
It keeps track of the current state of your resources in the cloud.
Helps Terraform understand what has been created, modified, or deleted.
It is used to plan and apply changes to your infrastructure.
State file can be stored locally or remotely in a backend like AWS S3 or Terraform Cloud.
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