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Restricting Amazon S3 Bucket Access on CloudFront Distributions

  • Oct 10, 2017
  • AWS

When you decide to distribute your content stored in your Amazon S3 bucket with Amazon CloudFront, you most probably would like to avoid your users bypassing CloudFront and accessing them directly from Amazon S3.

In this blog post, I will demonstrate how you can utilize Origin Access Identities to restrict access to your S3 bucket on your Amazon CloudFront distributions. ... read more

Storing and Monitoring Rails Logs on Amazon CloudWatch

  • Oct 2, 2017
  • AWS, Ruby on Rails, DevOps, Ruby

If you deploy any type of application on AWS, such as a Ruby on Rails web app; then your application will generate large amounts of logs. Hence, you will need to store and monitor these logs somewhere to understand what is going on when an unexpected event occurs. A central log server may be a choice; however, Amazon CloudWatch offers an alternative way without maintaining your log servers and with lots of capabilities.

In today’s blog post, I will describe how you can start storing your application logs on Amazon CloudWatch by using a Ruby on Rails web application as an example. The same principles here would apply to other types of application logs as well. ... read more

Increasing Root Volume Size of an EBS Backed EC2 Instance

  • Sep 24, 2017
  • AWS

When you start an EC2 instance, you define an EBS volume size. However, you may need more disk space later for some reason. In this blog post, I will demonstrate an example on how you can increase the root volume size of an EC2 Linux instance. ... read more

How to Import Bootstrap 4 Sass into Angular 4

  • Sep 12, 2017
  • Angular

Angular-Bootstrap

Angular and Bootstrap are very useful tools when developing front ends. You can build single page applications with powerful features of Angular and make them look pretty by using Bootstrap classes and components. They both have new versions now, coincidentally each has version 4. However, Bootstrap 4 is currently in beta stage.

In this blog post I will explain how to import Bootstrap 4 Sass module in an Angular 4 application as SCSS. ... read more

Accessing AWS Resources Using Python Scripts

  • Aug 20, 2017
  • AWS, Python

Accessing AWS via Python and Boto 3

While managing your resources on AWS, you may need accessing services programmatically. You may need to get information about an instance or modify some attribute. In some cases, you may need a cron job that runs every hours or once a day. For example, it can be a job getting the name of the current master node in an ElastiCache Redis cluster.

Writing Python scripts is an easy way to access and use your AWS resources. Besides, you can use Python for coding your AWS Lambda functions. In this blog post, I will give a simple example to listing VPC components using a Python script. ... read more

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