Difference between revisions of "IT-Cloud-AWS"

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(AWS Cost Optimierung)
(Important Topics)
 
(5 intermediate revisions by the same user not shown)
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=Ref.=
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*https://www.linkedin.com/posts/aws-training-%26-certification_challenge-yourself-and-test-your-aws-cloud-activity-7094709600511291392-cb-A?utm_source=share&utm_medium=member_android
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*https://www.udemy.com/course/aws-certified-solutions-architect-associate-saa-c03/
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*https://portal.tutorialsdojo.com/courses/aws-certified-solutions-architect-associate-practice-exams/
 
=Important Topics=
 
=Important Topics=
*Renting virtual machines (EC2) >> (Elastic Compute Cloud)
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* EC2 (Elastic Compute Cloud) >> Renting virtual machines
*Storing data on virtual drives (EBS)
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* AMI (Amazon Machinw Image) >> is a customization of an EC2 instance.
*Distributing load across machines (ELB)
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* EBS (Elastic Block Store) >> Storing data on virtual drives
*Scaling the services using an auto-scaling group (ASG)
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* EFS (Elastic File System) >> is a scalable, shared file storage service
*Elastic Network Interfaces (ENI)
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* ELB () >> Distributing load across machines  
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* ASG () >> Scaling the services using an auto-scaling group
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* ENI (Elastic Network Interfaces) >>
  
 
=Classic Ports to know=
 
=Classic Ports to know=
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*Terminate zombie assets
 
*Terminate zombie assets
 
*Move infrequently-accessed data to lower cost tiers
 
*Move infrequently-accessed data to lower cost tiers
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=aws-cli=
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<pre class="code">
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aws configure
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aws s3 ls
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aws iam list-users
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</pre>

Latest revision as of 12:03, 27 October 2025

Ref.

Important Topics

  • EC2 (Elastic Compute Cloud) >> Renting virtual machines
  • AMI (Amazon Machinw Image) >> is a customization of an EC2 instance.
  • EBS (Elastic Block Store) >> Storing data on virtual drives
  • EFS (Elastic File System) >> is a scalable, shared file storage service
  • ELB () >> Distributing load across machines
  • ASG () >> Scaling the services using an auto-scaling group
  • ENI (Elastic Network Interfaces) >>

Classic Ports to know

  • 22 = SSH (Secure Shell) - log into a Linux instance
  • 21 = FTP (File Transfer Protocol) – upload files into a file share
  • 22 = SFTP (Secure File Transfer Protocol) – upload files using SSH
  • 80 = HTTP – access unsecured websites
  • 443 = HTTPS – access secured websites
  • 3389 = RDP (Remote Desktop Protocol) – log into a Windows instance

AWS Cost Optimierung

  • Ref: https://www.whizlabs.com/blog/aws-cost-optimization-tips/
  • Ref: https://www.cloudhealthtech.com/blog/10-aws-cost-optimization-best-practices
  • Select the Right S3 Storage Class
  • Choose the Right Instances for Your Workloads
  • Track, Monitor, and Analyze Cloud Usage
  • Purchase Reserve and Spot Instances
  • Utilize Instance Scheduling
  • Get The Latest Updates on Services ==> New features, improve the performance of services
  • Use Autoscaling to Reduce Database Costs
  • Clean Up EBS Volumes
  • Carefully Manage Data Transfer Costs
  • Terminate Idle Resources
  • ---
  • Rightsizing EC2 Instances
  • Scheduling on/off times
  • Purchasing Reserved Instances and Savings Plans
  • Delete unattached EBS volumes
  • Delete obsolete snapshots
  • Release unattached Elastic IP addresses
  • Upgrade instances to the latest generation
  • Purchase reserved nodes for Redshift and ElastiCache Services
  • Terminate zombie assets
  • Move infrequently-accessed data to lower cost tiers

aws-cli

aws configure
aws s3 ls
aws iam list-users