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1. Which of the following EC2 purchasing options offers the highest discount but is not suitable for databases or critical workloads?์งˆ๋ฌธ 1. ๋‹ค์Œ ์ค‘, ํ• ์ธ ํญ์ด ๊ฐ€์žฅ ํฌ๋‚˜, ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ํ˜น์€ ์ค‘์š” ์—…๋ฌด์—๋Š” ์ ํ•ฉํ•˜์ง€ ์•Š์€ EC2 ๊ตฌ๋งค ์˜ต์…˜์€ ๋ฌด์—‡์ธ๊ฐ€์š”? โœ”๏ธ 1) Spot Instances (์ŠคํŒŸ ์ธ์Šคํ„ด์Šค)โŒ 2) On-demand (์˜จ๋””๋งจ๋“œ)โŒ 3) Dedicated Hosts (์ „์šฉ ํ˜ธ์ŠคํŠธ)โŒ 4) Reserved Instances (์˜ˆ์•ฝ ์ธ์Šคํ„ด์Šค)Spot Instances are suitable for short-term workloads and are the most cost-effecti..
EC2 ์ธ์Šคํ„ด์Šค๋ฅผ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ๋Š” ๋ชจ๋“  ๋ฐฉ๋ฒ•1. Spot request1-1.How to check Pricing historyEC2 Dashboard > [Spot requests] > [Pricing history] ์—์„œ EC2 Instance์˜ ์ตœ๊ทผ ์š”๊ธˆ ๋‚ด์—ญ ํ™•์ธ ๊ฐ€๋Šฅ ๊ทธ๋ž˜ํ”„์—์„œ ๊ฒ€์€์ƒ‰ ์„ ์ด On-demand ๊ฐ€๊ฒฉ 1-2. How to request Spot Instance?EC2 Dashboard > [Spot requests] > [Request spot Instance] ๐Ÿฉ Launch parameters (์ธ์Šคํ„ด์Šค๋ฅผ ์‹œ์ž‘ํ•  ๋•Œ ์„ค์ •ํ•˜๋Š” ๋ฐฉ์‹)- Manually configure launch parameters- Use a launch template โ–ถ Manually configur..
1. EC2 Spot Instance Request โ–ถ Can get a discount up to 90% compared to On-demandโ–ถ Define max spot price and get the instance while current spot price - ์ธ์Šคํ„ด์Šค์˜ ์ŠคํŒŸ ๊ฐ€๊ฒฉ์ด ์šฐ๋ฆฌ๊ฐ€ ์ง€๋ถˆํ•˜๊ณ ์ž ํ•˜๋Š” ์ตœ๋Œ€ ๊ฐ€๊ฒฉ๋ณด๋‹ค ๋‚ฎ๋‹ค๋ฉด ํ•ด๋‹น ์ธ์Šคํ„ด์Šค ์œ ์ง€โ–ถ The hourly spot price varies based on offer and capacity. - ์‹œ๊ฐ„๋‹น ์ŠคํŒŸ์€ ์˜คํผ๋‚˜ ์šฉ๋Ÿ‰์— ๋”ฐ๋ผ ๋‹ค๋ฅด๋‹ค. โญ If the current spot price > your max price you can choose to stop or terminate your instance with a 2 minute..
1. EC2 Instances Purchasing Options1-1. On-Demand InstancesOn-Demand Instances๋Š” AWS EC2(Elastic Compute Cloud)์—์„œ ์ œ๊ณตํ•˜๋Š” ์ธ์Šคํ„ด์Šค ์œ ํ˜• ์ค‘ ํ•˜๋‚˜๋กœ, ์‚ฌ์šฉ์ž๊ฐ€ ํ•„์š”ํ•  ๋•Œ ์›ํ•˜๋Š” ์ปดํ“จํŒ… ์ž์›์„ ์ƒ์„ฑํ•˜๊ณ , ์‚ฌ์šฉํ•œ ๋งŒํผ๋งŒ ์š”๊ธˆ์„ ์ง€๋ถˆํ•˜๋Š” ๋ฐฉ์‹์ด๋‹ค. ์ด ๋ฐฉ์‹์€ ์„ ๊ฒฐ์ œ๋‚˜ ์žฅ๊ธฐ ์•ฝ์ •์ด ์—†์œผ๋ฉฐ, ์œ ์—ฐํ•˜๊ฒŒ ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•˜๋‹ค. โ–ถ ์šฉ๋„์›น์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ํ…Œ์ŠคํŠธ ํ™˜๊ฒฝ, ๋ฐ์ดํ„ฐ ๋ถ„์„ ๋“ฑ์งง์€ ๊ธฐ๊ฐ„ ๋™์•ˆ๋งŒ ๋ฆฌ์†Œ์Šค๊ฐ€ ํ•„์š”ํ•œ ๊ฒฝ์šฐํŠธ๋ž˜ํ”ฝ์ด ์˜ˆ์ธกํ•˜๊ธฐ ์–ด๋ ค์šด ์ƒํ™ฉ(์˜ˆ: e-commerce ์„ธ์ผ ๊ธฐ๊ฐ„)โ–ถ ํŠน์ง•ํŠน์ • ๊ธฐ๊ฐ„ ๋™์•ˆ ์ปดํ“จํŒ… ์ž์›์ด ํ•„์š”ํ•  ๋•Œ ์ž์œ ๋กญ๊ฒŒ ์‹œ์ž‘(Start)ํ•˜๊ฑฐ๋‚˜ ์ค‘์ง€(Stop)ํ•  ์ˆ˜ ์žˆ๊ธฐ ๋•Œ๋ฌธ์— ์˜ˆ์ธกํ•  ์ˆ˜ ์—†๋Š” ํŠธ๋ž˜ํ”ฝ ๊ธ‰์ฆ์ด๋‚˜ ๋‹จ๊ธฐ ํ”„๋กœ์ ํŠธ์—..
1. Connect to Instanceโ–ถ SSH ์—ฐ๊ฒฐ ๋Œ€์‹  ๋ธŒ๋ผ์šฐ์ € ๊ธฐ๋ฐ˜์œผ๋กœ EC2 ์ธ์Šคํ„ด์Šค์— ๋Œ€ํ•œ ์„ธ์…˜์„ ์‹คํ–‰ ํ•  ์ˆ˜ ์žˆ๋‹ค. Instances > click on Instance's name > [Connect] >  [EC2 Instance Connect]  โ–ถ ๋ช…๋ น์ค„ ์—ฌ๋Ÿฌ๊ฐœ ์‚ฌ์šฉ ์•ˆํ•ด๋„ ์„ธ์…˜์ด ๋ธŒ๋ผ์šฐ์ € ์•ˆ์— ์žˆ๋‹คโ–ถ SSH ์œ ํ‹ธ๋ฆฌํ‹ฐ๋ฅผ ๋ฏธ๋ฆฌ ์‚ฌ์šฉํ•˜์ง€ ์•Š๊ณ ๋„ google.com  ๋˜๋Š” ์›ํ•˜๋Š” ์—ฌ๋Ÿฌ ๊ฐ€์ง€ ๋ช…๋ น์„ ์‹คํ–‰ ํ•  ์ˆ˜ ์žˆ๋‹ค.โ–ถ This is relying on SSH behind the scenes  โ–ถ If you go edit or delete your Instances Security group rules > Inbounds rules > Edit inbound rules > Delete SS..
1. SSH (Secure Shell)SSH๋Š” Secure Shell์˜ ์•ฝ์ž๋กœ, ๋„คํŠธ์›Œํฌ๋ฅผ ํ†ตํ•ด ์•ˆ์ „ํ•˜๊ฒŒ ์ปดํ“จํ„ฐ์— ์›๊ฒฉ ์ ‘์†ํ•˜๊ธฐ ์œ„ํ•œ ํ”„๋กœํ† ์ฝœโ–ถ ์•”ํ˜ธํ™”๋œ ํ†ต์‹ : ๋ฐ์ดํ„ฐ๋ฅผ ์•ˆ์ „ํ•˜๊ฒŒ ์ „์†กํ•˜๊ธฐ ๋•Œ๋ฌธ์— ๋„์ฒญ์ด๋‚˜ ๋ฐ์ดํ„ฐ ๋ณ€์กฐ๋ฅผ ๋ฐฉ์ง€. โ–ถ ์›๊ฒฉ ์„œ๋ฒ„ ๊ด€๋ฆฌ: AWS EC2 ๊ฐ™์€ ์„œ๋ฒ„์— ์ ‘์†ํ•ด์„œ ๋ช…๋ น์–ด๋ฅผ ์‹คํ–‰ํ•˜๊ฑฐ๋‚˜ ํŒŒ์ผ์„ ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ๋‹ค. โ–ถ AWS์—์„œ SSH๋Š” ๋ณดํ†ต ํ„ฐ๋ฏธ๋„์ด๋‚˜ ๋ช…๋ น์–ด ์ฐฝ(CLI)์—์„œ ์‹คํ–‰ํ•˜๋Š” ๋ช…๋ น์–ด๋ฅผ ํ†ตํ•ด ์‚ฌ์šฉ๋˜๋Š”๋ฐ, ์•„๋ž˜์™€ ๊ฐ™์€ ๋ช…๋ น์–ด๋ฅผ ์‚ฌ์šฉํ•œ๋‹ค. ssh -i "your-key.pem" ec2-user@your-ec2-ip2. 3 Ways to connect to EC2 Instance- SSH- PuTTY- EC2 Instance Connect ๐Ÿ˜Š If one method works (SSH, ..
1. What's Security Groupsโ–ถ Security Groups are the fundamental of network security.โ–ถ They control how traffic is allowed into or out of our EC2 Instances.โญ Security groups only contain allow rules - ํ—ˆ์šฉ๊ทœ์น™๋งŒ ํฌํ•จ๋˜๋ฏ€๋กœ ๋ฌด์—‡์ด ๋“ค์–ด๊ฐ€๊ณ  ๋‚˜๊ฐ€๋Š” ์ง€ ์•Œ ์ˆ˜ ์žˆ๋‹ค. โญ Security groups  rules can reference by IP or by security group or other security groups - ๋ณด์•ˆ ๊ทธ๋ฃน์€ IP์ฃผ์†Œ๋ฅผ ๊ธฐ์ค€์œผ๋กœ ๊ทœ์น™์„ ์ƒ์„ฑํ•œ๋‹ค.  - ๋˜๋Š” ๋‹ค๋ฅธ ๋ณด์•ˆ ๊ทธ๋ฃน์„ ์ฐธ์กฐํ•˜์—ฌ ์„ค์ •ํ•  ์ˆ˜ ์žˆ๋‹ค. (๋ณด์•ˆ๊ทธ๋ฃน์€ ์„œ๋กœ ์ฐธ์กฐ..
1. What's Amazon EC2?E2C in AWS stands for Amazon Elastic Compute Cloud = Infrastructure as a Serviceโ–ถ  EC2 is one of the most popular of AWS's offeringโ–ถ  EC2 is not a single service. โ–ถ  mainly consists in the capability of :- Renting virtual machines (EC2) ๊ฐ€์ƒ๋จธ์‹  ์ž„๋Œ€ ํ•  ์ˆ˜ ์žˆ๋Š”๋ฐ ์ด๊ฑธ EC2  Instance ๋ผ๊ณ  ํ•จ- Storing data on virtual drives (EBS) ๋ฐ์ดํ„ฐ๋ฅผ ๊ฐ€์ƒ ๋“œ๋ผ์ด๋ธŒ or EBS Volume์— ์ €์žฅ ํ•  ์ˆ˜ ์žˆ๋‹ค- Distrubuting load across ..
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