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44 lines
1.5 KiB
Markdown
44 lines
1.5 KiB
Markdown
---
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aliases:
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- EC2
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---
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> Part of [[AWS Cloud Services#AWS Core Services|AWS Core Services]]
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##### **Amazon EC2 (Elastic Compute Cloud)**
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A web service that provides secure, resizable compute capacity in
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the cloud.
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* Designed to make web-scale cloud computing easier for developers.
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- Secure, resizable compute capacity (virtual servers).
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- Complete control over OS and apps.
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**Pricing Models**:
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- **On-Demand**: Pay for what you use.
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- **Spot Instances**: Cheap, temporary, short-life instance, save up to 90%.
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- **Reserved**: Lower price for long-term usage.
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**Features:**
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- **Amazon Machin Image (AMI):**
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- Preconfigured OS image
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- e.g., Linux, maxOS, Windows
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- **Instance type**:
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- Defines CPU, memory, storage, networking capacity
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- **Networking**:
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- [[Amazon VPC|VPC]] and subnets
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- **Storage**
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- **Security Group(s)**:
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- Like a firewall, Define access to and from EC2 instance
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- **Key pair**:
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- establish a remote connection (Secure SSH access)
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- **Instance Type**:
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- defines CPU, memory, storage, and network performance.
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![[Screenshot 2025-07-23 at 16.52.08.png]]
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- **Instance Families**
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| Family Type | Use Case<br> |
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| --------------------------------- | ------------------------- |
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| General Purpose (M / T / A) | Web servers |
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| Compute Optimized (C) | Analytics, gaming |
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| Memory Optimized (R / X) | High-performance DB |
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| Accelerated Computing (P / G / F) | AI, ML, GPU compute |
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| Storage Optimized (I) | Big data, NoSQL databases |
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