Blog & News

Blog & News

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

Tutorial

How to Set Up a Home Server: Global Access Without a Static IP Using Cloudflare Tunnel

Turn any old computer into a web server with zero hosting fees. Learn how to get secure global access using Cloudflare Tunnel — no static IP, no port forwarding, no hassle.

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Tutorial

Email Warm-Up: Build Sender Reputation for a New IP

Build email sender reputation for a new IP address: warm-up schedules, authentication setup, engagement monitoring, and avoiding spam folders from day one.

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Tutorial

Wildcard DNS and Wildcard SSL: When and How to Set Up

Configure wildcard DNS records and wildcard SSL certificates: when you need them, DNS-01 challenge setup, Nginx configuration, and security considerations.

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Tutorial

White-Label Hosting: Build Your Brand on Server Infrastructure

Launch your own branded hosting service with white-label infrastructure. Custom branding, reseller accounts, and client isolation without building from scratch.

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Tutorial

How to Set Up a Catch-All Email Address

Set up a catch-all email address to receive mail sent to any address at your domain. Configure in Postfix, and manage spam filtering for catch-all mailboxes.

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Tutorial

Domain Transfer Guide: Move Without Losing Email or Website

Transfer your domain to a new registrar without downtime. Complete checklist covering DNS preparation, email continuity, unlock codes, and post-transfer verification.

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Tutorial

Roundcube vs Rainloop vs SOGo: Self-Hosted Webmail Comparison

Compare the top self-hosted webmail clients: Roundcube, Rainloop (now SnappyMail), and SOGo. Features, performance, and which one fits your server setup.

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Tutorial

PTR Record and Reverse DNS: What It Is and Why Mail Needs It

Understand PTR records and reverse DNS: what they are, why email servers require them, how to set them up, and how to verify your configuration works.

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Tutorial

DNSBL and Email Blacklists: Check, Remove, and Prevent

Get off email blacklists and stay off: check your IP against DNSBLs, submit delisting requests, and prevent future blacklisting with proper email hygiene.

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Tutorial

How to Reduce Server Response Time (TTFB) Under 200ms

Cut your server response time (TTFB) below 200ms with PHP-FPM tuning, OPcache, database optimization, Nginx caching, and smart architecture decisions.

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Tutorial

Self-Host Your Own AI: Ollama, Open WebUI, and LocalAI on a VPS

Run your own AI models on a VPS with Ollama and Open WebUI. Host Llama, Mistral, and other LLMs privately with no API costs and full data control.

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Tutorial

Gzip vs Brotli Compression: Configuration and Benchmarks

Compare Gzip and Brotli compression: configuration for Nginx and Apache, compression ratios, CPU impact, and real-world benchmarks for HTML, CSS, and JS.

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Atomic updates included.