Hetzner is a very popular provider for so-called root servers and VPS (Virtual private Servers) located in Germany with data centers in Germany and Finland. They are quite affordable and have good services as well. The default installation image, sorry Hetzner, is crap (i.e. no logical volumes). The rescue system is not only a nice ….Read More
Year: 2019
Migrating from CentOS8 to RHEL8
There are various reasons why to migrate from CentOS to RHEL. Quicker access to bugfixes and new minor releases as well as having a fully commercially supported system. Unfortunately most providers do not have an option to install RHEL but CentOS instead. There are different tutorials on the net how to migrate from RHEL to ….Read More
Renew Letsencrypt certificates for Red Hat Satellite 6 and Capsule
Letsencrypt certificates are only valid for just three months. The procedure to renew x509 certificates in Red Hat Satellite 6 is not so straight forward and its even more complex for Capsule servers. In an earlier post I was writing about how to set up a Satellite 6 and a capsule using Letsencrypt certificates. This ….Read More
OpenID and SAML authentication with Keycloak and FreeIPA
Not every web application can handle Kerberos SSO, but some provide OpenID and/or SAML. There is how Keycloak comes into the game. You can use Keycloak to federate users from different sources. This guide shows how to integrate Keyclock and FreeIPA to authenticate users in WordPress. On clients that are enrolled in IPA, this even ….Read More