Blog - Tag: local-dns

Offline PWA on a Linux Laptop: Domain, Certificate, and Monitoring Checklist

Offline PWA on a Linux Laptop: Domain, Certificate, and Monitoring Checklist

Jul 26, 2026    Mariusz Antonik    Security    8 min read

A PWA that works offline from a hosted domain can fail on a Linux laptop hotspot when mobile devices only reach it by IP address and see a certificate warning. Service workers need a trustworthy secure origin, so the fix is not only mkcert; it is name resolution, certificate trust, and repeatable network validation. This checklist walks through the practical options for local DNS, mobile trust stores, HTTPS, and linux server monitoring before you take the app into the field.

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