Blog & News

Blog & News

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

Tutorial

Nginx Performance Tuning: Handle 10,000 Concurrent Connections Like a Pro

Master Nginx configuration for high-traffic production servers. Worker processes, buffer tuning, FastCGI cache, SSL optimization, rate limiting, and kernel parameters — every directive explained with real-world benchmarks.

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Tutorial

Core Web Vitals: Server-Side Optimization Guide for Better Google Rankings

Most Core Web Vitals guides focus on the frontend. This guide covers the server side — TTFB, Nginx tuning, PHP-FPM, database optimization, multi-layer caching, TLS improvements, and how to measure everything.

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Tutorial

PHP-FPM Tuning: Get 3x More Performance from Your Server

Most servers run default PHP-FPM settings that were never designed for production. This guide covers process manager modes, pm.max_children calculation, OPcache tuning, slow log analysis, and a complete production-ready configuration to get 3x more throughput from the same hardware.

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Tutorial

HTTP/2 vs HTTP/3 and QUIC: What Changes for Your Server in 2026

From TCP multiplexing to UDP-based QUIC streams: a practical guide to HTTP/2 and HTTP/3 — what changed, how to enable both on nginx, and when it actually matters for your servers.

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Tutorial

MySQL or PostgreSQL? A Workload-by-Workload Decision Guide for 2026

Stop comparing features in the abstract. A practical guide to choosing MySQL or PostgreSQL based on your actual workload: CMS, JSON APIs, analytics, and scale.

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Tutorial

Linux User and Group Management: The Complete Guide for Server Admins

A complete guide to Linux user and group management: useradd, usermod, sudo, file permissions, and ACLs for secure servers.

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Tutorial

Database Backup Strategies: pg_dump, mysqldump, Automation, and Disaster Recovery

PostgreSQL and MySQL backup strategies: pg_dump, mysqldump, WAL archiving, automation, offsite copies, and disaster recovery playbooks.

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Tutorial

50 Linux Commands Every Server Admin Must Know

A complete reference guide to the 50 most essential Linux commands for server administrators — organized into 7 categories with real-world examples, syntax breakdowns, and a quick-reference table.

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Tutorial

Linux Disk Management: LVM, RAID, and Partitioning Beyond df and du

Master LVM, RAID, and partitioning for Linux servers — online volume resizing, disk health monitoring, and the exact steps to recover from a disk-full emergency.

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Tutorial

SWAP and Memory Management in Linux: When Your Server Runs Out of RAM

A complete guide to Linux memory management: how free -h works, when swap kicks in, how the OOM Killer chooses its target, cgroups v2 limits, and a troubleshooting playbook for the four most common memory crisis scenarios.

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Tutorial

Linux Networking Commands: ip, ss, curl, dig, and traceroute for Server Admins

Master ip, ss, curl, dig, traceroute, mtr, tcpdump, and nmap for real-world Linux network troubleshooting, with practical filters and scenarios.

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Tutorial

systemd Deep Dive: Services, Timers, and Journald for Linux Server Admins

A comprehensive guide to systemd for Linux server administrators — unit files, service management, timers as a cron replacement, journald log querying, security hardening directives, and a complete troubleshooting toolkit.

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