My Tech Blog (인스턴스)

1. The most likely reason your team member is unable to attach the EBS volume to an EC2 instance `in us-east-1b` is that EBS volumes are tied to a specific Availability Zone (AZ) upon creation. Since the volume was originally attached to an EC2 instance in us-east-1a, it is restricted to that AZ and cannot be directly attached to an instance `in us-east-1b`. us-east-1a에서의 EC2 인스턴스를 종료하여, 이 인스턴스에..

1. EC2 Instasnce Storage Section1-1 .What's an EBS Volume?An EBS (Elastic Block Store) Volume is a network drive you can attach to your instances while they runIt allows your instances to persist data, even after their termination- EBS 볼륨을 사용하면 인스턴스가 종료된 후에도 데이터를 지속할 수 있다. 인스턴스를 재생성하고 이전 EBS볼륨을 마운트하면 데이터를 다시 받을 수 있다. They can only be mounted to one instance at a time (at the CCP level)- But some..

1. You launched an EC2 instance to host a NodeJS application. After installing all the necessary software and configuring the application, you recorded the public IPv4 address of the EC2 instance for access. Then, you stopped the instance and restarted it to complete the application setup. However, after restarting, you were unable to access the EC2 instance and noticed that its public IPv4 addr..

1. What's Amazon EC2?E2C in AWS stands for Amazon Elastic Compute Cloud = Infrastructure as a Service▶ EC2 is one of the most popular of AWS's offering▶ EC2 is not a single service. ▶ mainly consists in the capability of :- Renting virtual machines (EC2) 가상머신 임대 할 수 있는데 이걸 EC2 Instance 라고 함- Storing data on virtual drives (EBS) 데이터를 가상 드라이브 or EBS Volume에 저장 할 수 있다- Distrubuting load across ..