Tired of getting command not found? Here’s a quick guide Navigate to the bin folder for your CLI application in your command line. Then run pwd to “print working directory.” pwd output: /Users/yourcomputer/Documents/google-cloud-sdk/bin append the directory to the $PATH using the following command path+=('/Users/yourcomputer/Documents/google-cloud-sdk/bin') export the new path export PATH

Address Record (A Record): A domain name that maps to an IPv4 address. CName (Canonical Name): Root domain. The subdomain of maps.google.com, will have a CNAME value of google.com. Therefore, when a DNS hits maps.google.com, it will trigger another DNS lookup for google.com. Let’s Encrypt: A free certificate authority that…

How is AWS structured: AWS has servers throughout the world. These servers are categorized into regions, VPC’s, and availability zones. Region: Collection of availability zones Virtual Private Cloud (VPC): Specific space within a region that spans across all availability zones within a region. Availability Zone: A data center within a…

Here is a quick guide to deploying an app to Docker. To get started, create a simple Node (React, Vue, etc) application and download Docker Desktop (https://www.docker.com/products/docker-desktop/) Docker: Container management software Image: Instructions to build a container. Each image has multiple layers (Ubuntu, filesystem, dependencies). Container: A container runs an…

IAM (Identity and Access Management): The root account has all privileges. It is difficult to restrict privileges for the root user so AWS recommends accessing the console using IAM user accounts. Policies: Defines permissions and can be applied to users, groups, and roles User: A person Group: A collection of…

Goal: Docker isolates an application and its dependencies into a self-contained unit that can run anywhere. Remove the need for physical hardware, allowing for more efficient use of computing resources, both in terms of energy consumption and cost effectiveness. A virtual machine is an emulation of a real computer that…

When a user request an image at http://mywebsite.com/myimage.png, this request is routed through a complex network to reach the original server which causes latency. To bypass this latency, you can use AWS CloudFront. CloudFront is AWS’ Content Delivery Network (CDN) service. It caches data and acts as an intermediary between…

Over the weekend my AWS account got hacked. The hacker created 2,000 lightsail instances. AWS suspended my account after an hour when it recognized the suspicious activity. However, after my account was reinstated was where I ran into the biggest problems. AWS claims they do not have the authority to…

.bashrc is a script that runs whenever a Bash shell is started. You can put any commands in this script. This .bashrc file is found in your home directory. So let’s start. Create .bashrc file in home directory. ~ is a shortcut for the home directory. touch ~/.bashrc open your .barshrc file using nano nano ~/.bashrc Write a command. In the command below, we add the bin folder to the end of the existing $PATH variable.