전체 글41 High Availability and Scalibility: ELB & ASG Load Balancerservers that forward traffic to multiple servers downstreamApplication Load Balancerlayer 7 (HTTP)Network Load Balancerlayer 4 (TCP & UDP)your application can only be accessed within 1, 2, or 3 different IPs의 대한 정답each AZ that you enable for your NLB, geGateway Load Balancerlayer 3 (Network layer) - IP packetsTransparent Network Gateway - single entry/exit for all traficLoad Balance.. 2025. 4. 4. EC2 Instance Storage EBSnetwork drive you can attach to your instances while they runallow instances to persist data, even after terminationbound to a specific AZ (not region). It is possible to migrate them between different AZs using EBS Snapshots.비유 : network USB stickdelete on termination : Root volume type은 yes가 default. Any other volume types는 no가 defaultattached to 1 instance at a time (except multi-attach io.. 2025. 4. 2. EC2 - Solutions Architect Associate Level 3월 31일34분Placement groups : control over the EC2 instance placement strategyCluster : low-latency group in a single AZSpread : spread across different hardware (max 7 instances per group per AZ). critical applicationsPartition : spread across many different partitions. up to 7 partitions per AZ. scale to 100 of EC2 instances per group. run applications such as Hadoop, Cassandra, Kafka Elastic Ne.. 2025. 3. 31. AWS EC2 Fundamentals EC2 = Elastic Compute Cloud = Infrastructure as a ServiceRenting virtual machines...bootstrap our instances using an EC2 User Data scriptbootstrapping means launching commands when a machine startsThat scrip is only run once at the instance first startrunch first EC2 instance(virtual server) running Amazon Linuxrunch web server on the EC2 instanceweb server running on my instancechosse a base im.. 2025. 3. 31. AWS IAM 1. Access AWS using the management console2. Using Access Key and Secret Access Key that you can cofigure, and then use into the CLI cloudshell : terminal in the cloud of AWS Create and use Roles for giving permissions to AWS services 2025. 3. 25. 에러 메시지 exec format error는 linux/amd64 이미지를 라즈베리파이의 linux/arm64/v8 환경에서 실행할 수 없어서 발생한 문제입니다. WARNING: The requested image's platform (linux/amd64) does not match the detected host platform (linux/arm64/v8)linux/amd64 이미지를 linux/arm64/v8(라즈베리파이)에서 실행하려다 실패했을 가능성 높음.아키텍처 불일치: 로컬에서 빌드한 amd64 이미지가 ARM에서 실행되지 않음 → exec format error 발생 가능.해결 방법ARM 아키텍처(linux/arm64)용 이미지를 만들어야 합니다. 두 가지 방법으로 진행할 수 있어요:1. 로컬에서 ARM 이미지 빌드 (추천)docker buildx를 사용해 로컬에서 ARM용 이미지를 빌드하고 라즈베리파이에 전송:Buildx 확인 및 설정:로컬에서 .. 2025. 3. 12. 이전 1 2 3 4 ··· 7 다음