Keycloak Passkeys
This page shows the configuration of a Keycloak to support multi factor authentication with TOTP, WebAuthn and Passkeys.
Keycloak realm console
To allow a realm user to manage aspects of the realm, the user…
Trust issues with Let's Encrypt
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After Let's Encrypt changed their certification chain, one system cannot establish encrypted connections because certificate issued by ‘CN=R3,O=Let's Encrypt,C=US’ has expired.
New ssh keys
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If you are a long time ssh user, chances are high that your key is rather old. Update now to a modern, more secure key.
Create a MySQL database and a user
The following two commands create a database on a MySQL server and a user with full permissions inside this database.