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Add a couple of AWS exercises and questions

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MORE! :)
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abregman
2021-11-28 22:17:06 +02:00
parent abe451f0a6
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exercises/aws/solutions/aurora_db.md Normal file
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## AWS Databases - Aurora DB
### Objectives
1. Create an Aurora database with the following properties
* Edition: MySQL
* Instance type: db.t3.small
* A reader node in a different AZ
* Public access should be enabled
* Port should be set to 3306
* DB name: 'db'
* Backup retention: 10 days
2. How many instances does your DB cluster has?
### Solution
#### Console
1. Go to RDS service
2. Click on "Databases" in the left side menu and click on the "Create database" button
3. Choose "standard create"
4. Choose "Aurora DB"
5. Choose "MySQL" edition and "Provisioned" as capacity type
6. Choose "single-master"
7. Specify Credentials (master username and password)
8. Choose DB instance type: Burstable classes, db.t3.small
9. Choose "Create an Aurora Replica or Reader node in a different AZ"
10. Choose a default VPC and subnet
11. Check "Yes" for public access
12. Database port should be 3306
13. For authentication, choose "Password and IAM database authentication"
14. Set initial database name as "db"
15. Increase backup retention period to 10 days
16. Click on "Create database" button
1. Two instances - one reader and one writer

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exercises/aws/solutions/elasticache.md Normal file
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## AWS ElastiCache
### Objectives
1. Create ElastiCache Redis
* Instance type should be "cache.t2.micro"
* Replicas should be 0
### Solution
#### Console
1. Go to ElastiCache service
2. Click on "Get Started Now"
3. Choose "Redis"
4. Insert a name and description
5. Choose "cache.t2.micro" an node type
6. Set number of replicas to 0
7. Create new subnet group
8. Click on "Create"

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exercises/aws/solutions/mysql_db.md Normal file
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## AWS Databases - MySQL DB
### Objectives
1. Create a MySQL database with the following properties
* Instance type: db.t2.micro
* gp2 storage
* Storage Auto scaling should be enabled and threshold should be set to 500 GiB
* Public access should be enabled
* Port should be set to 3306
* DB name: 'db'
* Backup retention: 10 days
2. Create read replica for the database you've created
### Solution
#### Console
1. Go to RDS service
2. Click on "Databases" in the left side menu and click on the "Create database" button
3. Choose "standard create"
4. Choose "MySQL" and the recommended version
5. Choose "Production" template
6. Specify DB instance identifier
7. Specify Credentials (master username and password)
8. Choose DB instance type: Burstable classes, db.t2.micro
9. Choose "gp2" as storage
10. Enable storage autoscalling: maximum storage threshold of 500 GiB
11. Choose "Do not create a standby instance"
12. Choose a default VPC and subnet
12. Check "Yes" for public access
13. Choose "No preference" for AZ
14. Database port should be 3306
15. For authentication, choose "Password and IAM database authentication"
16. Set initial database name as "db"
17. Increase backup retention period to 10 days
18. Click on "Create database" button
1. Go to the database under "Databases" in the left side menu
2. Click on "Actions" -> Create read replica
3. Click on "Create read replica"