Curious Devs Corner

Curious Devs Corner offers tutorials and guides focused on Spring Boot, Cloud, DevOps, AI, and technology tools. It emphasizes practical learning with step-by-step instructions, making it a valuable resource for developers aiming to enhance their skills and stay updated on technological trends and solutions for automating tasks, software deployment, and security.

Software Development Cloud Computing DevOps Artificial Intelligence Technology Tools Security Automation

The hottest Substack posts of Curious Devs Corner

And their main takeaways

Mastering Helm from Scratch: Part 1 – The Purpose of Helm

1 HN point • 03 Oct 24
🕹 Technology Software Development Cloud Kubernetes Systems
  1. Helm makes using Kubernetes easier for beginners by simplifying the process of installing and managing applications. It helps users avoid the confusion of typing many commands to deploy different parts of an app.
  2. With Helm, you can package all the parts of your application into one bundle called a 'chart'. This makes it much simpler to distribute and manage apps on Kubernetes, similar to how apps are managed on computers.
  3. Helm focuses on security and customization. It verifies the integrity of packages and allows users to customize charts, making it a flexible tool for deploying applications according to their specific needs.

Master Dynamic Queries in Spring JPA

0 implied HN points • 13 Jul 24
🕹 Technology Software Development Programming Data Management Web Development Database Design
  1. You can create fully dynamic queries in Spring JPA based on user input. This allows users to choose which columns to select and how to group them.
  2. When using 'group by', all non-aggregated columns from the select statement must be included in the group clause. Otherwise, you'll get an error.
  3. Using the Java Persistence Criteria API can help effectively manage these dynamic queries and avoid common issues.

Harnessing the Power of Expect: Automating Interactions with Ease

0 implied HN points • 08 Jul 24
🕹 Technology Automation Programming Scripting Unix Software
  1. Expect is a tool that helps automate tasks in the terminal by handling inputs automatically. This means you don't have to type everything manually when running programs or scripts.
  2. You can use Expect for common tasks like logging into remote servers or transferring files easily. It saves time by doing these repetitive tasks for you.
  3. Setting up Expect is straightforward; you just need to install it on your Unix-based system and write a simple script to get started automating your commands.

Curious Devs Corner

0 implied HN points • 07 Jul 24
🕹 Technology Software Development Cloud Computing DevOps Artificial Intelligence Engineering Practices
  1. Curious Devs Corner is a publication for IT professionals looking to learn more about technology. It covers various topics like Spring Boot, Cloud, and AI to help developers grow their skills.
  2. The publication offers easy-to-follow tutorials and hands-on experiences. This makes it a great resource for those who enjoy practical learning when exploring new technologies.
  3. It's designed especially for developers who are curious and want to stay updated on the latest trends in the tech world. This could be a valuable tool for anyone wanting to advance their knowledge.

Integrating OpenAI with a Spring Boot Application Using Spring AI

0 implied HN points • 08 Jul 24
🕹 Technology AI Programming Software Development Web
  1. Spring AI makes it easier to add AI features to your applications. It provides tools and support for using AI models in your software.
  2. You can create an AI language assistant to help students practice a foreign language. The AI can generate fun scenarios and stories to keep the practice interesting.
  3. To get started, you need to set up your project with specific dependencies and an OpenAI API key. This will allow your application to interact with the OpenAI services.
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GraphicsMagick: The Perfect Tool for Seamless Image Processing

0 implied HN points • 14 Jul 24
🕹 Technology Software Image Processing Automation Command-line Open Source
  1. GraphicsMagick is a powerful tool for editing images through the command line. It can handle tasks like resizing, adding watermarks, and simulating effects such as oil painting.
  2. You can create animations and enhance images by adjusting brightness and colors using simple commands. This makes it easy to customize your images quickly.
  3. GraphicsMagick allows for task automation with shell scripts, meaning you can process multiple images at once without doing each step manually. This saves a lot of time.

Mastering Helm from Scratch: Part 0 – Getting Started with Your Helm Journey

0 implied HN points • 01 Oct 24
🕹 Technology Cloud Computing DevOps Kubernetes Software Development
  1. You will learn how to use Helm, which helps manage applications in Kubernetes. The course starts with the basics and builds up to more advanced topics.
  2. This course is great for anyone interested in cloud technologies, especially developers and system admins. You don't need to be an expert, but some basic Kubernetes knowledge is helpful.
  3. Hands-on exercises are included to make learning practical and fun. There's also a bonus workbook and quiz to reinforce what you learn.

Hidden Gems: Powerful Unix Commands to Boost Your Tech Skills

0 implied HN points • 09 Jul 24
🕹 Technology Programming Software Scripting Unix Commands
  1. The 'disown' command helps keep a running process alive even after you close your terminal session. It allows you to remove jobs from the job table so they won’t get stopped when the shell closes.
  2. The 'at' command is used to schedule a job to run just once at a specific time. It's great for when you need to execute something later without using a cron job.
  3. The 'batch' command runs jobs when the system's load is low. It’s useful for scheduling tasks without overloading the system, ensuring smoother operation.

Git Stash Like a Pro: Tips for Every Developer

0 implied HN points • 09 Sep 24
🕹 Technology Programming Software Development Tools Productivity
  1. The `git stash` command lets you temporarily save your changes without committing them. This is useful when you need to switch branches but want to keep your work safe.
  2. You can list, apply, or pop your stashes to manage them easily. When you pop a stash, it removes it from your stash list for good.
  3. To avoid losing track of changes, you can also show changes or create a new branch from your stash. This makes it easier to keep your work organized.

How To Build a Japanese Pronunciation Checker With Python and Wit.ai

0 implied HN points • 02 Sep 24
🕹 Technology Software Development Programming Languages Natural Language Processing Open Source Artificial Intelligence
  1. You can build a Japanese pronunciation checker using Python and Wit.ai. It's a fun way to practice speaking Japanese and get instant feedback.
  2. The app works by recording your voice and comparing it to a list of Japanese words you want to learn. If the app recognizes your speech correctly, your pronunciation is good.
  3. You can customize this tool for other languages too, making it a great project for anyone wanting to improve their language skills.

Craft Powerful Bash Pipelines with the Unix Xargs Command

0 implied HN points • 28 Aug 24
🕹 Technology Programming Command-line Unix Software Development Scripting
  1. The `xargs` command helps to build and run new commands by passing input from one command to another. It's particularly useful when you want to handle lots of files at once.
  2. You can use `xargs` with commands like `find` to perform specific actions on multiple files, making tasks like deleting or renaming files easier.
  3. By using options like `-p` and `-n`, you can interactively confirm actions and control how many arguments are processed at a time, allowing for safer execution of commands.

Streamlining Notification Processing with Kafka, MinIO, and Python

0 implied HN points • 16 Jul 24
🕹 Technology Software Architecture Programming Data processing Cloud Computing
  1. You can streamline your application's notification processing by using Kafka and MinIO together. This combination helps in managing event-driven communications effectively.
  2. Setting up a local development environment with Docker is a great way to get started. You can easily configure MinIO to send notifications through Kafka with just a few settings.
  3. Kafka acts as the central hub by consuming event data from MinIO, while Zookeeper helps track everything in the Kafka cluster. This setup keeps your notifications organized and properly managed.

3 Utilities to Scan Linux for Vulnerabilities

0 implied HN points • 12 Jul 24
🕹 Technology Cybersecurity Open Source Network Security
  1. Lynis is a free tool that helps check your Linux system for vulnerabilities and security issues. It runs an audit and gives you a report on things that need attention.
  2. Maltrail helps monitor suspicious network traffic by using lists of known bad IPs and domains. You can set it up to keep an eye on what's coming into your system.
  3. ClamAV is an antivirus program for Linux that detects malware and viruses. It scans your files and can show you any threats it finds, helping keep your system safe.

How to Calculate Image Similarity Using Python

0 implied HN points • 12 Jul 24
🕹 Technology Software Programming Data science Artificial Intelligence Machine Learning
  1. You can easily compare images using Python with the image-similarity-measures library. It has different ways to measure how similar two images are.
  2. The library supports eight different methods to evaluate image similarity, like RMSE and SSIM. You just need to pick one and pass your images to it.
  3. You can run comparisons quickly from your terminal or create a Python script. It's a straightforward way to find out how similar different images are.

The Comprehensive Guide to Architectural Decision Records

0 implied HN points • 11 Jul 24
🕹 Technology Software Architecture Documentation Development Engineering
  1. Architectural Decision Records (ADRs) help document important decisions in software architecture, including why certain choices were made. They're like notes that anyone on the team can review later.
  2. Using ADRs boosts team trust by providing clear reasons behind technology choices, reducing confusion, and helping new members understand past decisions. They show what has been discussed and why certain technologies were selected or rejected.
  3. ADRs promote transparency by allowing anyone interested to see the decision-making process. This helps different teams learn from each other and fosters better communication.

Boost Unix Script Efficiency with Heredoc

0 implied HN points • 10 Jul 24
🕹 Technology Programming Scripting Unix Automation Software
  1. Heredoc is a way to write multiple lines of code in a clean format for Unix scripts. It makes your scripts easier to read and manage.
  2. You can use heredoc with commands like ssh, sftp, and cat to run multiple instructions at once. This saves time and reduces the complexity of your scripts.
  3. With heredoc, you can also add comments and organize your code better. Plus, it allows for things like parameter substitution to make your scripts even more powerful.

3 Effective Log File Management Tools for Viewing and Monitoring Logs

0 implied HN points • 09 Jul 24
🕹 Technology Software Tools Open Source Development Tools
  1. Swatchdog is a tool that helps monitor log files by looking for specific patterns. It can send you alerts when it finds important messages, making it easier to keep track of important events.
  2. Glogg is a user-friendly tool that can open large log files quickly. It allows you to search for specific phrases and save filters, helping you review important log entries efficiently.
  3. Lnav is a powerful log viewer that helps you analyze logs in real time. It combines the features of basic tools like grep and tail, making it easier to understand log messages and troubleshoot issues.