A highly available web stack ensures that your application remains accessible even when one of your servers fails. Keepalived implements the Virtual Router Redundancy Protocol (VRRP) on Linux, allowing a floating Virtual IP (VIP) address to migrate automatically between a master and one or more backup servers within seconds of a failure. When combined with […]
🟡 Medium ⏱ 5–30 min Last verified: 22 July 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
🟡 Medium ⏱ 5–30 min Last verified: 22 July 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
Introduction to SNMP on Windows Server 2019 Simple Network Management Protocol (SNMP) is a standard protocol for monitoring and managing network devices and servers. On Windows Server 2019, the SNMP service allows network monitoring systems such as Nagios, Zabbix, PRTG, SolarWinds, and Cacti to query the server for operational data including system information, network interface […]
NVM (Node Version Manager) is a shell script that lets you install and switch between multiple Node.js versions on the same machine without requiring root access or affecting system-wide packages. This is invaluable when you work on projects that require different Node.js versions simultaneously, or when you need to test your application against multiple runtimes. […]
Nginx FastCGI caching dramatically reduces PHP processing load by storing rendered responses on disk and serving them directly to subsequent visitors. On RHEL 8, combining Nginx with a PHP-FPM backend and a well-configured cache can cut backend response times by 80–95% for cacheable pages. This tutorial walks through configuring the fastcgi_cache_path directive, defining cache keys, […]
Introduction This tutorial covers How to Enable Brotli Compression in Nginx on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: […]
How to Set Up Work Folders on Windows Server 2012 R2 Work Folders is a file synchronization service introduced in Windows Server 2012 R2 that allows users to store and sync work files from personal devices or corporate computers, even when they are not connected to the corporate network. Unlike traditional folder redirection which requires […]
Introduction to IIS Application Pools on Windows Server 2019 Application Pools in IIS 10 on Windows Server 2019 are isolated worker process containers that host one or more web applications. Each application pool runs as a separate w3wp.exe process, meaning that a crash, memory leak, or security breach in one application cannot directly affect applications […]
How to Set Up Windows Server 2016 FTP Server FTP (File Transfer Protocol) allows clients to upload and download files to and from a server. IIS 10.0 on Windows Server 2016 includes a full-featured FTP server. This guide covers installing the IIS FTP service, creating an FTP site, configuring authentication and authorization, enabling passive mode […]
Progressive Robot: Your Gateway to Comprehensive IT Solutions — Specializing in Web Development, Mobile App Development, and Expert IT Services.
© All Copyright by Progressiverobot.com
VAT Number ( 506152326 )
