diff --git a/_Dockerfile.aarch64 b/Dockerfile.aarch64
similarity index 81%
rename from _Dockerfile.aarch64
rename to Dockerfile.aarch64
index ef68339..6c35377 100644
--- a/_Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -81,12 +81,13 @@ RUN sed -i 's/^Types: deb$/Types: deb deb-src/' /etc/apt/sources.list.d/debian.s
     printf 'XKBMODEL="pc105"\nXKBLAYOUT="%s"\nXKBVARIANT=""\nXKBOPTIONS=""\nBACKSPACE="guess"\n' "${COUNTRY}" > /etc/default/keyboard && \
     dpkg-reconfigure -f noninteractive keyboard-configuration
 
-#COPY config/pam/ /etc/pam.d/
-#COPY config/nsswitch.conf /etc/nsswitch.conf
-#COPY config/xrdp/ /etc/xrdp/
-#COPY config/ldap/ /etc/ldap/
-#COPY config/skel/ /etc/skel/
-#COPY config/sudoers /etc/sudoers
+# NEU: Systemweite statische Konfigurationen für LDAP/PAM/Sudo
+# 1. Entfernt die gefährliche %users Regel
+# 2. Sagt nsswitch, dass Sudoers auch im SSS (LDAP) gesucht werden sollen
+# 3. Aktiviert das automatische Erstellen von Home-Verzeichnissen (mkhomedir)
+RUN sed -i '/%users/s/^/# /' /etc/sudoers && \
+    echo "sudoers: files sss" >> /etc/nsswitch.conf && \
+    echo "session required pam_mkhomedir.so skel=/etc/skel/ umask=0022" >> /etc/pam.d/common-session
 
 RUN chmod 440 /etc/sudoers && \
     mkdir -p /etc/sssd && chown root:root /etc/sssd && chmod 755 /etc/sssd && \
@@ -97,7 +98,7 @@ RUN chmod 440 /etc/sudoers && \
     echo "LANG=${LANG}" >> /etc/environment && \
     echo "LANGUAGE=${LANGUAGE}" >> /etc/environment && \
     echo "LC_ALL=${LC_ALL}" >> /etc/environment && \
-    sed -i '1i export LANG=${LANG}\nexport LANGUAGE=${LANGUAGE}\nexport LC_ALL=${LC_ALL}' /etc/xrdp/startwm.sh && \
+    sed -i '2i export LANG=${LANG}\nexport LANGUAGE=${LANGUAGE}\nexport LC_ALL=${LC_ALL}\npulseaudio --start\npactl load-module module-xrdp-sink.so\npactl load-module module-xrdp-source.so' /etc/xrdp/startwm.sh && \
     chmod +x /etc/xrdp/startwm.sh && \
     mkdir -p /etc/xdg/xfce4 && \
     echo "setxkbmap ${COUNTRY}" >> /etc/xdg/xfce4/xinitrc