EC2 User Data

Question 1

Is it possbile to bootstrap our instances using an EC2 User data script.

Answer 1

Yes

Question 2

What does bootstrapping mean?

Answer 2

launching commands when a machine starts

Question 3

How many times is the script ran?

Answer 3

only run once at the instance first start

Question 4

What does EC2 user data automate at boot?

Answer 4

• Installing updates
• Installing software•Downloading common files from the internet
• Anything you can think of

Question 5

What are EC2 Launch Types?

Answer 5

• On Demand Instances: short workload, predictable pricing
• Reserved Instances: long workloads (>= 1 year)
• Convertible Reserved Instances: long workloads with flexible instances
• Scheduled Reserved Instances: launch within time window you reserve
• Spot Instances: short workloads, for cheap, can lose instances•Dedicated Instances: no other customers will share your hardware
• Dedicated Hosts: book an entire physical server, control instance placement