knktc's Notes

A simple Dockerfile for installing Headless Chrome on Ubuntu 20.04, with notes about mirrors, timezone prompts, and font support.

Promote a YApi user to admin by updating the role field directly in MongoDB.

This Django session error often points to session storage write failures, especially when using cached_db and writing the session on every request.

Configure a Hexo blog so GitHub Actions automatically pings Google with the latest sitemap whenever you push to the master branch.

A simple way to fetch an SSL certificate in Python, read its expiration time, and convert it to a local timezone.

Use OpenVPN up and route-up hooks to run a custom script and adjust routes after a VPN connection is established.

Disable Docusaurus V2's "Edit this page" link globally or only for selected pages.

Django 3.2 changed AppConfig discovery, which can break projects that keep apps under a shared apps package unless AppConfig.name is updated.

How to make curl, urllib, and requests trust a self-signed certificate without changing application code to disable verification.

A small Selenium script for disabling a batch of Confluence users and removing their group memberships to free up licenses.