Allow users to rent cloud computers to run their applications.
EC2 allows users to flexibly run their Amazon machine images (AMIs) by providing web services, enabling users to run any software or application they desire on these virtual machines.

Amazon Virtual Private Cloud (Amazon VPC) allows you to have full control over a virtual networking environment, including resource placement, connectivity, and security.

Due to the excessive power of root permissions, it is necessary to divide them into multiple users and groups to set permissions.

Sometimes, we can use certain methods to download the .M3U8 file and then merge it into a .ts file.
However, computers usually cannot directly play this format.
We can use FFmpeg to convert it into a common .mp4 file for easy playback.

Amazon Simple Queue Service (SQS) and Amazon Simple Notification Service (SNS) may look similar.
But in reality, they are quite different.

Since our company’s services are built on AWS and heavily rely on various serverless computing services,
I had no prior experience in this area. This series serves as a compilation of notes for me,
and its content may be subject to constant revisions in the future.

Previously, I was calling Smart Contracts through PHP, which raised two issues.
One was the slowness, and the other was the lack of maintenance of the package.
Fortunately, Golang provides an official package that is both fast and solves these two problems.
This article explains how to convert existing Smart Contract ABIs into a Go package for interacting with contracts.