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Finding an AMI ID Using AWS CLI in AWS Marketplace

You can use command line parameters to list only the types of AMIs that interest you. For example, you can use the describe-images command as follows to find public AMIs owned by you or Amazon. [crayon-5ba461d41205b624673680/] Add the following filter to the previous...

Ansible Cheat Sheet

Prerequisites Linux Packages: git python python-devel python-pip openssl ansible Installation and Configuration Linux Be sure to install epel-release first and then update your caches (if CentOS). On Ubuntu/Debian distributions, you may install from the default...

Regular Expressions Cheat Sheet

Building Blocks [crayon-5ba461d412f14695566341-i/] a digit [crayon-5ba461d412f1a670477589-i/] a non-digit [crayon-5ba461d412f1c127583781-i/] a whitespace [crayon-5ba461d412f1e557391489-i/] a non-whitespace [crayon-5ba461d412f20675940535-i/] a word...

TCP/IP Network Protocol

History TCP/IP is a set of network protocols which is best known for connecting the machines that make up the Internet. However, it is generally assumed that the Internet started around 1995 and few people had heard of TCP/IP before then. The truth is that TCP/IP is...

Intro to Terraform Modules

Description Modules in the Terraform ecosystem are a way to organize the code to: be more reusable avoid code duplication improve the code organization and its readability If we compare them to a programming language, writing a Terraform module is the equivalent of...

Monitoring EBS for Performance and Availability

EBS Performance Essentials EBS uses IOPS (I/O operations per second) as a performance measure IOPS – measured in 256 KiB (Kibibytes) chunks of I/O operations for SSDs SSDs deliver constant performance for both random and sequential I/O operations 4,000 IOPS can...

Command Line Tips and Tricks

The command line is a powerful tool at the disposal of every Linux user. Although Linux distros come with beautiful user interfaces, it is worthwhile to learn the command line. The command line allows you to do a number of things that you otherwise cannot do from the...

Lambda Essentials

Lambda Essentials

"AWS Lambda is a compute service that lets you run code without provisioning or managing servers. AWS Lambda executes your code only when needed and scales automatically, from a few requests per day to thousands per second. You pay only for the compute time you...

Storage and Content Delivery Services

Amazin S3 Simple Storage Service (S3) is an object storage service from AWS. It can not only service objects through a CDN to CloudFront, manage access to specific objects, enable versioning, and lifecycle policies, but it can also serve static HTML files with...