Rust for Cloud Engineers: Why Systems Programming Matters
I started learning Rust as someone who’d spent years writing Python scripts and Go services for cloud infrastructure. My first reaction was …
Read Article →CLI
132 articles about cli development, tools, and best practices
The Ultimate Guide to Emacs: Mastering the Art of CLI Programming
In the realm of command-line interface (CLI) programming, Emacs stands as a legendary text editor, known for its immense power and unparalleled …
Read Article →The Ultimate Guide to VI: Mastering the Art of CLI Programming
In the world of command-line interface (CLI) programming, efficiency is paramount. And when it comes to text editing in the CLI, there’s no tool …
Read Article →AWS Assume to another role
Assuming a role is how you temporarily get permissions from another AWS account or a different IAM role within the same account. I use this daily when …
Read Article →How to AWS sts assume role in one command - without jq
The issue - what it takes to assume a role
To assume an AWS role in the CLI, you will have to do something like this:
aws sts assume-role --role-arn …[Solved] Docker Daemon Connection Error: Daemon Running?
If you get the following error when trying to run a Docker container:
Cannot connect to the Docker daemon at unix:/var/run/docker.sock. Is the docker …
[Solved] M1 Docker Image Platform Mismatch with Host (ARM64)
If you get the following error when trying to run a Docker container that was built on an M1 mac:
M1 docker preview and keycloak 'image's platform …
How to Return a List of All AWS Lambda Function Names in CLI
If you would like to list all AWS Lambda Function Names in your CLI using the AWS CLI, then you can do this:
Get a List of all Lambda Functions
aws …How to Install AWS SAM CLI on Mac
If you need to install AWS SAM CLI on a Mac, then the easiest option is to use Homebrew with the following commands:
brew tap aws/tap
brew install …How to Empty and Delete an S3 Bucket using the AWS CLI
Option 1 – Using AWS CLI
Step 1
export bucketname='your-bucket-here'
Step 2
aws s3api delete-objects --bucket $bucketname --delete "$(aws …How to Execute a Shell Script in NodeJS
If you need to execute a shell script in NodeJS, then you can use the exec keyword.
Syntax: exec(command [, options] [, callback]
const shell = …How to Delete all Resources Except One in Terraform
If you need to delete all resources created by Terraform, except for a single, specific one, then you can do the following:
Step 1 – Get the current …
Read Article →How to Copy Files between Two Nodes using Ansible
If you need to copy files between two (2) nodes, using Ansible, then you can do the following:
This solution uses the synchronize module, specifically …
How to Delete Files and Folders in a Directory using Ansible
If you need to delete files and folders in a directory using Ansible, then you can do the following:
- name: Delete content & entire directory …How to Copy Multiple Files with Ansible
If you need to copy multiple files using Ansible, then you can do the following:
How to Copy Multiple Files with Ansible
Look into using the …
Read Article →How to Write Multiline Shell Scripts in Ansible
If you need to write a shell script in Ansible, you probably have something like this:
- name: iterate user groups
shell: groupmod -o -g {{ …How to Pass Variables to Ansible Playbook CLI
If you need to pass a variable to Ansible playbook, using the command line, then you can do the following:
Option 1 – Specifying command line …
Read Article →How to Create a Directory using Ansible
If you need to create a directory using Ansible, then you can do the following:
Create a Directory in Ansible
You will need the file module, then to …
How to Disable Screensaver on Mac using the CLI
If you want to disable the Screensaver on your Mac, by using the Command Line Interface (CLI), then you can do the following:
Step 1 – See what is …
Read Article →How to Copy Files from Docker Container to Host
If you need to copy files from a Docker Container to the Host, then you can do one of the following:
Option 1 – Using docker cp
Syntax:
docker cp …How to Get the IP Address of a Docker Container
If you need to get the IP Address of a Docker Container, then you can do the following:
Option 1 – Connect to the Bridge Network
Find out the network …
Read Article →[Solved] dial tcp: lookup proxy.golang.org: i/o timeout
If you get a timeout when trying to install go dependencies, the error may look something like this:
$ go get github.com/aws/aws-sdk-go/aws
go: …[Solved] fatal: Could not read from remote repository with Git
If you receive the following error when trying to clone a Git repository:
fatal: Could not read from remote repository.
The full message may look …
Read Article →How to Install Homebrew on a Mac
Prerequisites
- You should have some familiarity with the Mac Terminal application since you’ll need to use it to install Homebrew. The Terminal …