Topics
2026-10-30
CentOS 7: choose a recovery task
Separate repository failures, SSH access problems and Docker storage pressure before changing an end-of-life host.
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Operations topics
Browse grouped pages for common deployment, maintenance, and recovery scenarios across helper.sh scripts.
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2026-10-30
Ubuntu: prepare Docker or VPN access
Choose host installation, client access or an existing Docker service without treating old application images as a default new stack.
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2026-10-30
Docker services: check the interface and retained state
Choose by protocol, data directory and replacement impact: HTTP, SQL, cache, FastCGI or an image-baked application.
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2026-10-30
OpenVPN: distinguish tunnel, route and DNS failures
Choose the distribution-specific client and inspect resolver ownership before changing DNS hooks.
Topics
2026-10-30
Legacy PHP: separate runtime compatibility from application readiness
Use PHP 7.2 and Workerman 3.5.24 examples for inherited compatibility work with an upgrade plan.