Blog & News

Blog & News

Latest updates, feature announcements, and security news from Panelica.

Tutorial

How to Set Up a Staging Environment: Test Before Production

Stop deploying untested code to production. Set up a proper staging environment that mirrors your live server for safe testing and confident releases.

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Tutorial

Docker Networking Explained: Bridge, Host, Overlay, and Port Mapping

Understand Docker networking: bridge networks for isolation, host mode for performance, overlay for swarm, port mapping, DNS resolution, and security.

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Tutorial

PHP 8.4 New Features: Property Hooks, HTML5 Parser, and Performance

Explore PHP 8.4's game-changing features: property hooks for cleaner code, the new HTML5 parser, asymmetric visibility, and significant performance gains.

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Tutorial

PHP Error Handling: Display Errors, Log Errors, and Debug

Configure PHP error handling for development and production: display_errors, error_log, error reporting levels, custom handlers, and debugging tools.

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Tutorial

Docker Compose Tutorial: Multi-Container Apps from Dev to Production

Learn Docker Compose from basics to production: define multi-container apps, manage networking, volumes, environment variables, and deploy reliably.

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Tutorial

Docker vs Podman: Which Container Runtime in 2026?

Docker vs Podman in 2026: compare architecture, security, rootless mode, compatibility, Kubernetes integration, and when to choose which runtime.

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Tutorial

CORS Explained: What It Is, Why It Fails, and How to Fix It

Understand CORS errors once and for all. Learn what Cross-Origin Resource Sharing is, why browsers block requests, and how to configure it correctly.

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Tutorial

Systemd Explained: Services, Timers, Logs, and Boot Management

Master systemd: create custom services, schedule tasks with timers, manage boot targets, and use journalctl for log analysis on Ubuntu servers.

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Tutorial

Self-Host Uptime Kuma: Free Website Monitoring with Alerts

Deploy Uptime Kuma for free, self-hosted website monitoring. Set up HTTP, TCP, and ping checks with alerts via email, Telegram, Slack, and Discord.

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Tutorial

Process Management on Linux: ps, top, htop, kill, and nice

Master Linux process management: monitor with ps and htop, control priorities with nice and renice, and safely terminate processes with kill signals.

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Tutorial

20 Linux Commands Every Server Admin Must Know

Learn the 20 essential Linux commands that every server administrator uses daily, from file management and process control to network diagnostics.

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Tutorial

Email Forwarding Without a Mail Server: DNS-Only Setup Guide

Set up email forwarding using only DNS records. Forward emails to Gmail or Outlook without running Postfix or Dovecot. Covers Cloudflare Email Routing and MX alternatives.

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