diff --git a/admin-guide/troubleshooting/kerberos.md b/admin-guide/troubleshooting/kerberos.md
index 4bf626a4..38e4fc48 100644
--- a/admin-guide/troubleshooting/kerberos.md
+++ b/admin-guide/troubleshooting/kerberos.md
@@ -4,3 +4,9 @@ PSI Kerberos documentation: https://intranet.psi.ch/de/knowledge-base/kerberos-a
 
  - Old AIT AD Kerberos troubleshooting guide: [PDF](../_static/AIT-AD-Kerberos-Troubleshooting.pdf)
  - Old AIT keytab file documentation: [PDF](../_static/AIT-Keytab-File.pdf)
+
+
+Troubleshooting kerberos authentication problems of curl:
+```bash
+KRB5_TRACE=/dev/stderr curl -v --negotiate -u : https://boot00-test.psi.ch/sysdb/v1/node > /dev/null
+```