Raspbian is based on Debian. Upgrading it to the latest version is done the same way as upgrading a normal Debian distribution. To not make this my shortest blog ever, I’ll show how I upgrade one of my Raspberry Pi. The upgrade to release N is performed by starting the Read more…
When in the last 15+ years someone asked me how to become a senior consultant, I answered: “Get hired as one.” I meant it as a joke as there are enough companies out there searching for senior consultants. Why? Get maximum value out of a person and client. Assign a Read more…
Früher hat man sich einen Fernseher gekauft und dann für Jahre oder gar Jahrzehnte einfach benutzt. Es gab ja wenig technischen Fortschritt. Zum Glück sind diese Zeiten vorbei, neue Geräte kommen im Abstand weniger Monate mit einer besseren Funktionalität (z.B. SD -> HD -> 4k -> 8k, HDMI 2.x, OLDED) Read more…
This blog shows how to use Keycloak for OAuth 2.0 and OpenID Connect. Keycloak is an identity and access management solution. Among its list of supported authentication mechanisms are SAML 2.0 and OpenID Connect. It is open source and can be installed via Docker. I wrote how to install Keycloak Read more…
After creating an OAuth 2.0 scope and client and assigning the scope to the client, we can test the configuration. To do this, we need to log on in Keycloak as the OAuth 2.0 client. Keycloak will then validate the client and provide the Access Tokens and the scope(s) assigned Read more…
After performing the previous steps in Keycloak, an OAuth 2.0 scope and client is available. To get the scope after the OAuth 2.0 client authenticates against Keycloak, you need to assign the scope to the client. Log on to Keycloak and go to clients and select oidclient. This is the Read more…
It was time to update the PHP version on my WordPress server. WordPress gave me warnings; the site health plugin gave me a warning. Plugins gave me warnings. PHP, IT news sites, the internet, warnings everywhere. I knew that my PHP version was very old. But still supported. At least Read more…
OAuth uses scopes to restrict access to resources. “Scope is a mechanism in OAuth 2.0 to limit an application’s access to a user’s account. An application can request one or more scopes, this information is then presented to the user in the consent screen, and the access token issued to Read more…
In this article I will show how to add an OAuth 2.0 client in Keycloak. Log in to Keycloak and select a realm. In a new (empty) installation of Keycloak, the realm Master is selected by default. The realm name is important, as it is part of the URL used Read more…
Event information Location: SITMUC 2019, Munich, IBM Client Innovation Center Germany GmbH Date: 25.06.2021 Site: Event website Title: Multicloud or a look back from an architect Presentation: PDF Additional information Fruit Checker App is not a productive app. It is a showcase with the intention to make people think about Read more…