Posted inVirtualization
Cloud-Init & VirtualBox: How I Automate VM Setup in 2 Minutes
Save hours of VirtualBox VM setup time using Cloud-Init. Detailed guide on automating user, SSH key, and software configuration with a simple YAML file.
Posted inDocker
Docker Compose: Pro Tips for Automating Database Migrations and Schema Updates
Don't let your app crash because the database isn't ready. Explore 3 methods for automating database migrations in Docker Compose, from basic to advanced.
Posted inNetwork
CoreDNS on Linux: Replacing Bind9 for Smoother Microservices Operations
CoreDNS is the perfect alternative to Bind9 in the Microservices era. Learn how to install, configure Corefile, and optimize plugins for production systems.
Posted inDatabase
Installing InfluxDB on Linux: The Ultimate Solution for Time-series Data
Install and configure InfluxDB 2.x on Linux for efficient time-series data management. Learn how to avoid High Cardinality errors and optimize storage capacity.
Posted inDatabase
Real-time PostgreSQL Monitoring with pg_activity: Kill Hung Queries in a Flash
Don't let slow queries crash your server. Learn how to use pg_activity on Linux for real-time PostgreSQL monitoring, detecting idle in transactions, and handling hung queries quickly.
Posted inPython
Build Your Own Server Monitoring System with Python and Discord Webhook
Don't wait for your server to crash to find out. Learn to write a Python script to monitor CPU, RAM, and Disk with Discord alerts in just 15 minutes.
Posted inDocker
Say Goodbye to Crontab: Managing Docker Cron Jobs More Professionally with Ofelia
A detailed guide on using Ofelia to manage Docker Cron Jobs. Replace traditional Crontab with a powerful Docker-native solution featuring Slack alerts and Label-based management.
Posted inDatabase
pg_repack Guide: Efficiently Resolving PostgreSQL Bloat with Zero Downtime
PostgreSQL bloat wastes resources and degrades performance. Discover how to use pg_repack to efficiently reclaim disk space with zero downtime.
Posted inLinux
Restic: A Professional Linux Backup Solution to the Cloud (Encryption, Deduplication)
Don't lose data to outdated rsync scripts. Switch to Restic to leverage deduplication technology and secure AES-256 encryption for Linux.
Posted inLinux
Installing Homebrew on Linux: Manage the Latest CLI Tools Without Root Access
Installing Homebrew on Linux gives you access to the latest CLI tools (gh, jq, fzf) without needing sudo. A lifesaver for Sysadmins working on restricted servers.