Blog & News
Latest updates, feature announcements, and security news from Panelica.
Redis Explained: Caching, Sessions, and Queues for Web Applications
A complete guide to Redis: data structures, caching patterns, session storage, job queues, persistence, security, and performance tuning for production servers.
Read MoreHow to Point a Domain to Your Server: DNS Setup from Registrar to Live Site
Complete guide to connecting your domain to your VPS. Configure A records, set nameservers, verify propagation, and go live with your first website.
Read MoreHTTP Status Codes Explained: What 301, 403, 404, 500, 502, and 503 Mean
Understand the most common HTTP status codes, what causes them, and how to fix them. From redirects to server errors, with real-world troubleshooting steps.
Read MoreLinux File Permissions Explained: chmod, chown, and Why 755 vs 644 Matters
Master Linux file permissions with practical examples. Understand owner/group/other, read/write/execute bits, chmod numeric notation, and common permission patterns for web servers.
Read MoreNginx Reverse Proxy Setup: Route Traffic to Backend Applications
Configure Nginx as a reverse proxy for Node.js, Python, Docker containers, and other backend services. Includes WebSocket support, SSL termination, and load balancing.
Read MoreWebsite Speed Optimization: Reduce Load Time from 5 Seconds to Under 1
Actionable guide to website performance. Optimize images, enable compression, configure caching, minimize CSS/JS, reduce TTFB, and measure results with real tools.
Read MoreSSH Key Authentication: Generate Keys, Disable Passwords, Lock Down Your Server
Set up SSH key-based authentication step by step. Generate ed25519 keys, deploy them to your server, disable password login, and configure SSH hardening best practices.
Read MoreWhy Are My Emails Going to Spam? A Complete Deliverability Fix Guide
Diagnose and fix email deliverability issues. Check SPF, DKIM, DMARC, PTR records, blacklist status, content filters, and sender reputation step by step.
Read MoreDeploy Django on a VPS: Gunicorn, Nginx, PostgreSQL, and SSL
Production-grade Django deployment guide with Gunicorn WSGI server, Nginx reverse proxy, PostgreSQL database, virtualenv, and Let's Encrypt SSL.
Read MoreFTP vs SFTP: Security Differences and How to Set Up Both
Understand why SFTP replaced FTP, how each protocol works, and step-by-step setup guides for both ProFTPD and OpenSSH SFTP with chroot jails.
Read MorePostgreSQL vs MySQL in 2026: Features, Performance, and Use Cases
An honest comparison of PostgreSQL and MySQL. JSON support, full-text search, replication, ACID compliance, and which database fits your project best.
Read MoreModSecurity WAF: Protect Your Server from SQL Injection, XSS, and OWASP Top 10
Set up ModSecurity Web Application Firewall with OWASP Core Rule Set. Block SQL injection, XSS, path traversal, and other attacks on Nginx and Apache.
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