Starting AWS EC2 Using aws command Line

EC2 instance configuration using aws command line 


OS :-- Ubuntu 20.04.2 LTS

Required package : aws CLI v2

Step 1:-- Downloading & Installing  package 

 

curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"

unzip awscliv2.zip

sudo ./aws/install

 

Step 2:-- Configure AWS CLI

  • Before Configuring AWS CLI, We have to generate ACCESS ID & SECRET ACCESS CODE for  user. Root account is not recommended to generate ACCESS ID & SECRET ACCESS CODE. So login in root AWS console and navigate to "Identity and Access Management (IAM)" add a new user using https://console.aws.amazon.com/iam/                                                                             
  • Follow the on screen steps to generate a new user and get access key and SECRET ACCESS CODE from there like this :----
                               Access key ID: AKIAIOSFODNN7EXAMPLE
                              Secret access key: wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY

  • Then run below command to configure  AWS CLI on your Laptop 





These entries can be found on local machines on below paths. Find below screenshot for reference



STEP 3:-- After configuring AWS cli , We need to generate key pair and then make 400 permission on keypair.
  • Create a key pair                                                                                                                                 
  • Display your key pair                                                                                                                         
aws ec2 create-key-pair --key-name SharadKeyPair --query 'KeyMaterial' --output text > SharadKeyPair.pem  


                                                                                                               Change permission of key pair             
                       chmod 400 SharadKeyPair.pem

Step 4:-- Next create security group in AWS, Commands are as below :--

  aws ec2 create-security-group --group-name my-sg --description "My security group" --vpc-id vpc-1a2b3c4d

<vpc-id> This VPC id can be find from aws console using https://ap-south-1.console.aws.amazon.com/vpc/home?region=ap-south-1#dashboard:  

You can create a security group for your Amazon Elastic Compute Cloud (Amazon EC2) instances that essentially operates as a firewall, with rules that determine what network traffic can enter and leave.

Security group description can be found using below command 
       
                  aws ec2 describe-security-groups --group-ids sg-903004f8


Generated security group can be validated using AWS console on browser.
If you want to check generated security group details  use below commands to check on console:--

                aws ec2 describe-security-groups --group-ids sg-<security group id >

Step 5:-- Add rules to your security group

Adding rule will allow accessing newly created machine from your local computer. First of all check your public IP and if it is changing frequently then allow IP range for that IP.

 Checking public IP :-- curl https://checkip.amazonaws.com

Then add the range to your security group by running below command:---

 
aws ec2 authorize-security-group-ingress --group-id sg-<ID> --protocol tcp --port 22 --cidr 203.0.113.0/24


Below commands can be used to view complete security group:---

         aws ec2 describe-security-groups --group-ids sg-<ID>

Step 6:-- Now run EC2 instance running below command

Create a default subnet ID 

 aws ec2 create-default-subnet --availability-zone ap-south-1a

Now run below command to run EC2 instance 


aws ec2 run-instances --image-id ami-0a4a70bd98c6d6441 --count 1 --instance-type t2.micro --key-name SharadKeyPair --security-group-ids  --subnet-id subnet-<SubnetID>



Image Id:-- Can be found from https://aws.amazon.com/amazon-linux-ami/ (I have picked free tier Id) 


Step 6:-- Validate EC2 instance if it is running or not using AWS console on browser. 










                                                                                                                                  

 




































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