The previous posts within this series guided you through the topics of process management, how to display currently managed app instance processes and how to restart your applications after system reboots. With PM2, you can also monitor your app processes in respect of CPU and memory utilization. This article will …

Previously, we published a guide on how to manage processes with PM2. The guide didn’t describe how to restart the PM2 process and managed applications after a system reboot. This is an essential feature for a process manager, because you heavily rely on system and server startup automation. You …

Two weeks ago, you’ve seen how to log requests and responses for debugging purposes. Requests might not finish successfully and you have to take care of failure situations. Most of the time, you need to manually apply the correct action like showing an error message as user feedback. If …

Hawk authentication is sort of the underdog in the class of authentication types. It’s been officially around since November 2012 when Eran Hammer (aka hueniverse) published the first version. Since than, the HTTP authentication scheme has evolved to its current version 6.x. This tutorial guides you through the …

Retrofit 1 integrated a log feature for basic request and response debugging. The logging functionality was removed in Retrofit 2, since the required HTTP layer is now completely based on OkHttp. Since many developers asked for logging capabilities in Retrofit 2, the developers of OkHttp added a logging interceptor in …

The previous tutorials guided you through various use cases of Retrofit and showed you opportunities to enhance the app with Retrofit’s built-in functionality. This tutorial will show you how to upload a file to a backend server using the second major release of Retrofit, namely Retrofit 2. {{outline}} {{video} …

You already know how to use PM2 to start and stop processes. Honestly, installed tools, utilities and apps on your server to run your actual applications are one of the things you don’t want to touch that often and PM2 is no exception. Once everything is installed and running, …

Server labels aren’t available in hapi v17 This tutorial is only applicable until hapi v16. Multiple connections and the server.select() method are not available in hapi v17 anymore. Using hapi as the framework of choice for building web apps or APIs brings a lot built-in functionality to leverage …