Common, EC2

AWS EC2 tagging best practices

    AWS EC2 tagging best practices Tags provide identification and classification of AWS resources by the association of descriptive metadata.for example, application identifier, environment, or owner. Each tag consists of a key and a value, both of which are user-defined strings. Tags can be used as a filter when requesting resources, such as EC2 instances, based on tag keys…

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EC2

AWS EC2 Error: Host key not found, Permission denied (publickey), or Authentication failed, permission denied

    Host key not found, Permission denied If you connect to your instance using SSH and get any of the following errors Host key not found in [directory] Permission denied (publickey) Authentication failed, permission denied possible reasons: Check the keypair name in Description filed of your instance , and verify that you are using the correct private key file.…

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Whats New

Whats new in Amazon Linux 2

    Amazon Linux 2   In 2017 December Amazon introduce “Amazon Linux 2 ” AMI , a new version of amazon Linux. Its a not a small change when compare with Previous version of Amazon Linux . Now what is the big deal on it ? The major feature it can be installed on on-premise virtual server also,not only…

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AWS ELB

AWS ELB Connection to the instances has timed out

    AWS ELB Connection to the instances has timed out “Timed out “This error normally occurs when you are registering EC2 instance to your load balancer.Health check requests from your load balancer to your EC2 instances are timing out or failing intermittently. Step1: First, verify the issue by connecting directly with the instance. Connect to your instance from within…

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EC2

AWS EC2 Error: User key not recognized by server

    Error: User key not recognized by server This error occurs when you are connecting ssh to AWS EC2 instalce Linux servers .Mostly the key you are submitting to connect your instance not recognized by server. You can get more details while you connecting to instance using ssh -vvv option ssh -vvv -i [your key name].pem ec2-user@[public DNS address…

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EC2

Error connecting to your instance: Connection timed out

  Error connecting to your instance: Connection timed out This is one of most common error which we use to get when you try to connect your AWS EC2 cloud instance. “Network error: Connection timed out or Error connecting to [instance], reason: -> Connection timed out: ” The reason could be from below any one   First Check your security group rules .…

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EC2

AWS EC2 Instance Immediately Terminates

    AWS EC2 Instance Immediately Terminates After launching an instance normally the status will change from pending state to running . But in sometime the status will goes to terminate state suddenly . You can find the information from your AWS console by using “EC2 console screen logs” or you can use CLI , you can find with JSON…

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Azure Storage

Azure Storage account types and how to create?

How to create Azure Storage account? In the view of cloud storage perspective Amazon and Azure has many difference . In the Amazon all the resources comes under one AWS account . But in Azure the concept is bit different . Even though you create azure account , you have to create separate storage account . You have some limitation…

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EC2

Amazon Time Sync Service

    Amazon Time Sync Service Amazon provides the Amazon Time Sync Service, which you can access from your instance. This service uses a fleet of satellite-connected and atomic reference clocks in each AWS Region to deliver accurate current time readings of the Coordinated Universal Time (UTC) global standard through Network Time Protocol (NTP). The Amazon Time Sync Service automatically…

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Uncategorized

AWS Interview question

    AWS Interview question Please refer below link . findoutthat.com-questions-filter “AWS interview questions” http://findoutthat.com/questions/categories/aws-interview-quiz/

Compute, EC2

what is t2 unlimited in AWS EC2 t2 instance type?

    what is t2 unlimited in AWS EC2 t2 instance type? AWS recently introduced “t2 unlimited concept”  in t2 series. The advantage in t2 series is “burst capability” when comparing with other instance type.So whenever load comes it can burst the CPU to handle the load . It will utilize the cpu credit to provide high performance . But…

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AWS Network

AWS Inter-Region VPC Peering

AWS Inter – Region VPC Peering Normally VPC peering can be created between two VPCs in the same region ,either in same account or in different account.On Nov 29 Amazon announced VPC peering can be created between different regions . At this moment this facility announced for few regions. “Amazon EC2 now allows peering relationships to be established between Virtual…

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AWS Storage, storage

How AWS snapshot works? Is Incremental?

    How AWS snapshot works? Is Incremental? *Normally when you take backup of Amazon EC2 EBS volume, backup  will be stored in S3 called “Snapshot” *AWS users will not have any visibility on backend process.These backup are not visible as S3 bucket formats eventhough its stored   in S3. You can only view snapshot details in console *You can back…

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AWS Security

How to view AWS WAF event logs?

    How to view AWS WAF event logs? AWS WAF is a web application firewall that lets you monitor the HTTP and HTTPS requests that are forwarded to Amazon CloudFront or an Application Load Balancer. AWS WAF also lets you control access to your content. Based on conditions that you specify, such as the IP addresses that requests originate…

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AWS Storage

AWS EFS How to create and configure ?

    AWS EFS How to create and configure ? What is EFS? *Amazon Elastic File System (EFS) fully-managed service from AWS . *File Storage service from AWS. *concurrently-accessible storage for up to thousands of Amazon EC2 instances. *Works with NFS protocal . Its similar to traditional NAS file system storage .Like same NAS share can be mounted on multiple Linux/Unix…

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