AWS Cheat Sheet Work in progress - All contributions are welcome

Volumes

Describing volumes

aws ec2 describe-volumes

Describing filtered volumes:

aws ec2 describe-volumes --filters  Name=status,Values=creating | available | in-use | deleting | deleted | error

e.g, describing all deleted volumes:

aws ec2 describe-volumes --filters  Name=status,Values=deleted

Filters can be applied to the attachment status:

aws ec2 describe-volumes --filters  Name=attachment.status,Values=attaching | attached | detaching | detached

e.g: describing all volumes with the status "attaching":

aws ec2 describe-volumes --filters  Name=attachment.status,Values=attaching

This is the generic form. Use --profile <your_profile_name> , if you have multiple AWS profiles or accounts.

aws ec2 describe-volumes --filters Name:'tag:Name',Values: ['some_values'] --profile <your_profile_name>

Describing volumes using a different aws user profile

aws ec2 describe-volumes --filters  Name=status,Values=in-use  --profile <your_profile_name>

Listing Available Volumes IDs

aws ec2 describe-volumes --filters  Name=status,Values=available |grep VolumeId|awk '{print $2}' | tr '\n|,|"' ' '

With "profile":

aws ec2 describe-volumes --filters  Name=status,Values=available  --profile <your_profile_name>|grep VolumeId|awk '{print $2}' | tr '\n|,|"' ' '

Deleting a Volume

aws ec2 delete-volume --region <region> --volume-id <volume_id>

Deleting Unused Volumes.. Think Before You Type :-)

for x in $(aws ec2 describe-volumes --filters  Name=status,Values=available  --profile <your_profile_name>|grep VolumeId|awk '{print $2}' | tr ',|"' ' '); do aws ec2 delete-volume --region <region> --volume-id $x; done

With "profile":

for x in $(aws ec2 describe-volumes --filters  Name=status,Values=available  --profile <your_profile_name>|grep VolumeId|awk '{print $2}' | tr ',|"' ' '); do aws ec2 delete-volume --region <region> --volume-id $x --profile <your_profile_name>; done

Creating a Snapshot

aws ec2 create-snapshot --volume-id <vol-id>

aws ec2 create-snapshot --volume-id <vol-id> --description "snapshot-$(date +'%Y-%m-%d_%H-%M-%S')"

Creating an Image (AMI)

aws ec2 create-image --instance-id <instance_id> --name "image-$(date +'%Y-%m-%d_%H-%M-%S')" --description "image-$(date +'%Y-%m-%d_%H-%M-%S')"

Creating AMI Without Rebooting the Machine

aws ec2 create-image --instance-id <instance_id> --name "image-$(date +'%Y-%m-%d_%H-%M-%S')" --description "image-$(date +'%Y-%m-%d_%H-%M-%S')" --no-reboot

You are free to change the AMI name image-$(date +'%Y-%m-%d_%H-%M-%S') to a name of your choice.

AMIs

Listing AMI(s)

aws ec2 describe-images

Describing AMI(s)

aws ec2 describe-images --image-ids <image_id> --profile <profile> --region <region>

e.g:

aws ec2 describe-images --image-ids ami-e24dfa9f --profile terraform --region eu-west-3

Listing Amazon AMIs

aws ec2 describe-images --owners amazon

Using Filters

e.g: Describing Windows AMIs that are backed by Amazon EBS.

aws ec2 describe-images --filters "Name=platform,Values=windows" "Name=root-device-type,Values=ebs"

e.g: Describing Ubuntu AMIs

aws ec2 describe-images --filters "Name=name,Values=ubuntu*"

Lambda

Using AWS Lambda with Scheduled Events

sid=Sid$(date +%Y%m%d%H%M%S); aws lambda add-permission --statement-id $sid --action 'lambda:InvokeFunction' --principal events.amazonaws.com --source-arn arn:aws:events:<region>:<arn>:rule/AWSLambdaBasicExecutionRole --function-name function:<awsents> --region <region>

IAM

List Users

aws iam list-users

List Policies

aws iam list-policies

List Groups

aws iam list-groups

Get Users in a Group

aws iam get-group --group-name <group_name>

Describing a Policy

aws iam get-policy --policy-arn arn:aws:iam::aws:policy/<policy_name>

List Access Keys

aws iam list-access-keys

List Keys

aws iam list-access-keys

List the Access Key IDs for an IAM User

aws iam list-access-keys --user-name <user_name>

List the SSH Public Keys for a User

aws iam list-ssh-public-keys --user-name <user_name>

S3 API

Listing Buckets

aws s3api list-buckets

aws s3 ls

e.g

aws s3 ls --profile eon01

Listing Only Bucket Names

aws s3api list-buckets --query 'Buckets[].Name'

Getting a Bucket Region

aws s3api get-bucket-location --bucket <bucket_name>

e.g

aws s3api get-bucket-location --bucket practicalaws.com

Listing the Content of a Bucket

aws s3 ls s3://<bucket_name> --region <region>

e.g

aws s3 ls s3://practicalaws.com

aws s3 ls s3://practicalaws.com --region eu-west-1
 
aws s3 ls s3://practicalaws.com --region eu-west-1 --profile eon01

Syncing a Local Folder with a Bucket

aws s3 sync <local_path> s3://<bucket_name>

e.g

aws s3 sync . s3://practicalaws.com --region eu-west-1

Copying Files

aws s3 cp <file_name> s3://<bucket_name>

Or:

aws s3 cp <file_name> s3://<bucket_name>/<folder_name>/

To copy all files from a filder, look at "Copying Folders". Or use the following example, where I copy the content of the folder "images (contains images) in the remote folder "images".

cd images
aws s3 cp . s3://saltstackfordevops.com/images --recursive --region us-east-2

Copying Folders

aws s3 cp <folder_name>/ s3://<bucket_name>/ --recursive

To exclude files:

aws s3 cp <folder_name>/ s3://<bucket_name>/ --recursive --exclude "<file_name_or_a_wildcard>"

e.g: To only include a certain type of files (PNG) and exclude others (JPG)

aws s3 cp practicalaws.com/ s3://practicalaws-backup/  --recursive --exclude "*.jpg"  --include "*.png"

e.g: To exclude a folder

aws s3 cp practicalaws.com/ s3://practicalaws-backup/ --recursive --exclude ".git/*"

Removing a File from a Bucket

aws s3 rm s3://<bucket_name>/<object_name>

e.g

aws s3 rm s3://practicalaws.com/temp.txt

Deleting a Bucket

aws s3 rb s3://<bucket_name> --force

If the bucket is not empty, use --force.

e.g

aws s3 rb s3://practicalaws.com --force

Emptying a Bucket

aws s3 rm s3://<bucket_name>/<key_name> --recursive

e.g

In order to remove tempfiles/file1.txt and tempfiles/file2.txt from practicalaws.com bucket, use:

aws s3 rm s3://practicalaws.com/tempfiles --recursive

Remove all objects using:

aws s3 rm s3://practicalaws.com/tempfiles

VPC

Creating A VPC

aws ec2 create-vpc --cidr-block <cidr_block> --regiosn <region>

e.g

aws ec2 create-vpc --cidr-block 10.0.0.0/16 --region eu-west-1

Allowing DNS hostnames

aws ec2 modify-vpc-attribute --vpc-id <vpc_id> --enable-dns-hostnames "{\"Value\":true}" --region <region>

Subnets

Creating A Subnet

aws ec2 create-subnet --vpc-id <vpc_id> --cidr-block <cidr_block> --availability-zone <availability_zone> --region <region>

Auto Assigning Public IPs To Instances In A Public Subnet

aws ec2 modify-subnet-attribute --subnet-id <subnet_id> --map-public-ip-on-launch --region <region>

Internet Gateway

Creating An IGW

aws ec2 create-internet-gateway --region <region>

Attaching An IGW to A VPC

aws ec2 attach-internet-gateway --internet-gateway-id <igw_id> --vpc-id <vpc_id> --region <region>

NAT

Setting Up A NAT Gateway

Allocate Elastic IP

aws ec2 allocate-address --domain vpc --region <region>

then use the AllocationId to create the NAT Gateway for the public zone in

aws ec2 create-nat-gateway --subnet-id <subnet_id> --allocation-id <allocation_id> --region <region>

Route Tables

Creating A Public Route Table

Create the Route Table:

aws ec2 create-route-table --vpc-id <vpc_id> --region <region>

then create a route for an Internet Gateway.

Now, use the outputted Route Table ID:

aws ec2 create-route --route-table-id <route_table_id> --destination-cidr-block 0.0.0.0/0 --gateway-id <igw_id> --region <region>

Finally, associate the public subnet with the Route Table

aws ec2 associate-route-table --route-table-id <route_table_id> --subnet-id <subnet_id> --region <region>

Creating A Private Route Tables

Create the Route Table

aws ec2 create-route-table --vpc-id <vpc_id> --region <region>

then create a route that points to a NAT Gateway

aws ec2 create-route --route-table-id <route_table_id> --destination-cidr-block 0.0.0.0/0 --nat-gateway-id <net_gateway_id> --region <region>

Finally, associate the subnet

aws ec2 associate-route-table --route-table-id <route_table_id> --subnet-id <subnet_id> --region <region>

CloudFront

Listing Distributions

In some cases, you need to setup this first:

aws configure set preview.cloudfront true

Then:

aws cloudfront list-distributions

Invalidating Files From a Distribution

To invalidate index and error HTML files from the distribution with the ID Z2W2LX9VBMAPRX:

aws cloudfront create-invalidation --distribution-id Z2W2LX9VBMAPRX  --paths /index.html /error.html

To invalidate everything in the distribution:

aws cloudfront create-invalidation --distribution-id Z2W2LX9VBMAPRX  --paths '/*'

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