Maintenance Articles & GuidesWebCare Pro Technical Knowledge Base
Explore technical articles, performance benchmarks, and server hardening guides under Maintenance authored by Mir Alamin.
Automated Linux Server Health Monitoring & Prometheus Alerts for Production Web Infrastructure
Set up real-time server metrics collection using Prometheus, Node Exporter, and Grafana with automated Telegram/Slack alerts for disk, CPU, and RAM thresholds.
cPanel to Nginx LEMP Migration: Handling Custom PHP Directives & Apache Modules
Convert cPanel Apache modules and .htaccess php_value directives to native Nginx server blocks and PHP-FPM pool files.
Zero-Downtime Ubuntu Server OS Upgrades (22.04 LTS to 24.04 LTS) for Production LEMP Stacks
Execute major Ubuntu server release upgrades from 22.04 LTS to 24.04 LTS safely without breaking LEMP services or losing configuration files.
cPanel to Unmanaged LEMP Migration Guide: Zero-Downtime Server Transfer
Migrate web applications from cPanel hosts to unmanaged LEMP servers, converting .htaccess rewrite rules to native Nginx blocks.
Automating Safe Ubuntu Server Updates & Kernel Patching with Unattended Upgrades
Automate security updates and kernel patch deployments safely using Ubuntu's unattended-upgrades with package holds and email alerts.
Troubleshooting 502 Bad Gateway & 504 Gateway Timeout Errors in Nginx and PHP-FPM
Diagnose error logs, socket backlogs, and fastcgi timeout parameters to resolve 502 Bad Gateway and 504 Gateway Timeout issues in LEMP stacks.
Migrating from Plesk to Unmanaged Ubuntu LEMP Stack with Zero Disruption
Export Plesk subscription databases, migrate virtual host web files, recreate custom Nginx configurations, and execute seamless DNS cutovers.
Automating Daily MySQL/MariaDB Backups with Restic and Encrypted Offsite S3 Storage
Set up automated MariaDB dumps, client-side AES-256 encryption, and S3 deduplication backups using Restic and systemd timers.
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