https://www.erat.org/ 2026-08-12T00:00:00Z New pages on erat.org Daniel Erat dan+website@erat.org 2026-08-12T00:00:00Z tag:www.erat.org,2026-08-12:/certs.html

Using ACME DNS-01 challenges to create TLS certificates for internal servers.

Daniel Erat dan+website@erat.org 2026-06-30T00:00:00Z tag:www.erat.org,2026-06-30:/crosvm.html

Using crosvm to write software in a sandbox on Linux.

Daniel Erat dan+website@erat.org 2025-03-03T00:00:00Z tag:www.erat.org,2025-03-03:/fastmail.html

Advice about switching from Gmail, Google Calendar, and Google Contacts to Fastmail

Daniel Erat dan+website@erat.org 2023-04-24T00:00:00Z tag:www.erat.org,2023-04-24:/codeberg.html

Advice on migrating source code repositories from GitHub to Codeberg.

Daniel Erat dan+website@erat.org 2023-01-22T00:00:00Z tag:www.erat.org,2023-01-22:/go_print.html

Differences between Print and Println functions in Go’s fmt, log, and testing packages.

Daniel Erat dan+website@erat.org 2022-10-09T00:00:00Z tag:www.erat.org,2022-10-09:/rants.html

Complaints about software.

Daniel Erat dan+website@erat.org 2022-07-21T00:00:00Z tag:www.erat.org,2022-07-21:/nfsn.html

Automating things when using NearlyFreeSpeech.NET to host a website.

Daniel Erat dan+website@erat.org 2022-07-20T00:00:00Z tag:www.erat.org,2022-07-20:/dark_mode.html

How to add user-selectable dark and light themes to HTML and AMP web pages.

Daniel Erat dan+website@erat.org 2022-04-19T00:00:00Z tag:www.erat.org,2022-04-19:/mda.html

Verifying that configurations for Message Delivery Agents like procmail and fdm work as expected.

Daniel Erat dan+website@erat.org 2022-01-08T00:00:00Z tag:www.erat.org,2022-01-08:/subaru.html

Installing an aftermarket Sony XAV-AX150 Android Auto head unit into a 2015 Subaru WRX.

Daniel Erat dan+website@erat.org