Sunday, September 17, 2017

Ubuntu Getting Started With AWS CLI

Ubuntu Getting Started With AWS CLI


Prerequisites

This has been tested on Ubuntu 12.04 and 14.04, but may also work on others.

Steps

Installation

Install the tools with the following commands:

sudo apt-get install python-pip -y
sudo pip install awscli

Personal Configuration

If you just want to use this for a single account with manual commands (e.g. not scripts), then perform the following steps. If you want to configure this for multiple accounts and/or scripts, then it is probably best to run the "Setup For Scripts" section instead.

    Run the following command and answer the questions

    aws configure
    When it asks for the default output format, your choices are
    json
    ,
    table
    , or
    text
    . Personally, I use
    json

Setup For Scripts

    If you followed the previous section, then you do not need to run this one.

    Now we need to set up our AWS credentials for automatic authentication

    mkdir $HOME/.aws
    vim $HOME/.aws/config

    File contents

    [default]
    aws_access_key_id = [ID HERE]
    aws_secret_access_key = [KEY HERE]
    region = eu-west-1
    It wont work if you put quotation marks around the values.

    The configuration needs to be there, otherwise you need to set the AWS_CONFIG_FILE environment variable to its location e.g. 
    export AWS_CONFIG_FILE="`echo $HOME`/.aws/config"

    Protect the file from other users who have access to the same machine.

    chmod 600 $HOME/.aws/config

Testing

You can test its working with a simple command t fetch the regions from AWS:

aws ec2 describe-regions

Now you can use the CLI to transfer files to and from s3 like so:

aws s3 cp /path/to/local/file.txt s3://my-bucket/sub-folder/file.txt
or the other way around
aws s3 cp s3://my-bucket/sub-folder/file.txt /path/to/local/file.txt
The S3 file movement commands are pretty much the same as with linux so it should feel natural. e.g. cp, mv and the --recursive switch etc

References

  • GitHub - aws/aws-cli - Unable to locate credentials
  • Installing aws-cli, the New AWS Command Line Tool

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