Posted inDocker
Docker Context Guide: Managing Multiple Remote Servers via SSH
A detailed guide on using Docker Context to manage multiple remote Docker Engines via SSH. A secure alternative to exposing risky Docker API ports.
Posted inDocker
Docker Multi-Arch: Resolving the ‘exec format error’ on M1/M2 and Cloud ARM
Forget the 'exec format error'. A detailed guide on using Docker Buildx to build images that run smoothly on both M1/M2 chips and traditional Intel servers.
Posted inMonitoring
Healthchecks.io: The Pro Secret to Monitoring Silent Cron Job Failures
A backup script suddenly stopping is a disaster for any SysAdmin. Discover how to use Healthchecks.io to monitor Cron Jobs effectively using the 'Dead Man's Snitch' mechanism.
Posted inDocker
Docker Hogging All Your Disk Space? Pro Tips to Clean Up Images, Containers, and Volumes to Save Your Server
Docker hogging disk space is a DevOps nightmare. This article shares how to use prune commands effectively and configure log rotation to rescue your server from storage issues.
Posted inFedora
Fedora Server: Professional Python Deployment with Gunicorn and Nginx
Don't let 502 Bad Gateway errors stop you. A guide to deploying Python on Fedora with Gunicorn, Nginx, and precise SELinux configuration based on real-world experience.
Posted inGit
Git Sparse Checkout: The Ultimate Trick for Handling Gigabyte-Scale Monorepos
Stop waiting for GB-sized Monorepo clones. Learn to use Git Sparse Checkout to download only the folders you need, saving space and speeding up your workflow.
Posted inPython
Packaging and Publishing Python Libraries to PyPI: Goodbye setup.py, Hello Poetry
Forget the headaches of setup.py and requirements.txt. This guide helps you master Poetry to package and publish Python libraries to PyPI professionally, quickly, and error-free.
Posted inDevelopment
Stop Silly Code Errors with Pre-commit Hooks, ESLint, and Prettier
Don't let typos crash your system. A guide to setting up Husky, ESLint, and Prettier to automate code quality checks before every commit.
Posted inDatabase
Database Management on AWS RDS: Hard-earned Lessons for Optimizing Performance and Cost
Managing AWS RDS effectively is more than just clicking buttons. Explore real-world experiences in cost optimization with gp3, Multi-AZ configuration, and backup strategies for large systems.
Posted inDocker
Don’t Let Your Containers Become ‘Zombies’: Mastering Docker Healthcheck and Restart Policies
Container status is 'Up' but the app is still down? Learn how to use Docker Healthcheck and Restart Policies to build self-healing systems and sleep better at night.