I once had to work with a project which used MariaDB connector for Node.js, and for some reasons it was necessary to add Knex query builder to it. The main issue was that Knex supports only a few drivers, and MariaDB is unfortunately not one of them. I had to write a MariaDB client for Knex myself, and that was surprisingly easy.
A simple addon for Node.js that provides bindings to inet_ntop() and inet_pton() functions
This post describes how to serialize a FormData object to JSON and how to fill the form back with the serialized data.
When you go to the Dashboard of your WordPress site, WordPress checks whether your browser is up-to-date, and displays a notice if it is not. However, the browser check is performed by an external site. WP sends such data as: visitor’s user agent string, WordPress version, and the URL of the blog (and, implicitly, its IP address). Unfortunately, there is no way to opt out of that in the Dashboard. Luckily, there is a solution.
By default, WordPress allows an unauthenticated user to view the list of the registered users with the help of the REST API. But, for example, to view the list of the users in the Dashboard, the user needs to have list_users capability (that is, be an Administrator). While the REST API does not expose sensitive information (such as emails) to unauthenticated users, it may be desirable to restrict users endpoint form unauthenticated users.
We live in a world where data is an incredibly valuable currency, and you are always at risk of loss. Because of this, you must do everything you can to ensure what you hold on your desktops and servers is safe. If you are looking to lock down your Linux servers and desktops as tight as possible, you should consider to make use of two-factor authentication. This article explains how to configure two factor authentication using pam_u2f.
Add this to proftpd.conf and restart proftpd: TLSOptions NoSessionReuseRequired
A CORS proxy is a service that allows sites to access resources from other websites, without having to own that website in case when no Access-Control-Allow-Origin header is present on the requested resource. This article shows how to create one with the help of nginx and without writing a single line of code.
SQLite Session Extension provides a convenient way to create “diffs” between two versions of a table. These “diffs” are binary and are usually much more compact than their SQL counterparts. This article shows how to create and apply such “diffs” to tables.
A Facebook user asked how to forbid write access to an external USB drive, allowing only for read-only access. This article explains how to do that with the help of udev.