Short answer, it was an overkill. Jetpack is a plugin for WordPress by Automattic. It extends WordPress by offering extra features, like uptime monitor, that would email you if your site goes down, this is useful if you want to keep an eye on the uptime of your website, it also lets you automatically share […]
$$ is an internal variable, it stores the process ID of the script itself or the current bash instance. Here is an example use case The output prompted.
Rust is a more recent programming language focused on performance and memory safely, mainly safe concurrency.