diff --git a/tuto3.yml b/tuto3.yml
index a25acf8..653b52d 100644
--- a/tuto3.yml
+++ b/tuto3.yml
@@ -179,15 +179,15 @@ services:
     image: linuxkit/sshd:6e4740bee64bf44e9913a1db4a38b5c3a5fb6ab1
     net: /run/netns/wks1
     binds:
-      - /etc/dpasswd:/etc/passwd
-      - /etc/dshadow:/etc/shadow
+      - /var/lib/adlin/etc/dpasswd:/etc/passwd
+      - /var/lib/adlin/etc/dshadow:/etc/shadow
 
   - name: sshd-wks2
     image: linuxkit/sshd:6e4740bee64bf44e9913a1db4a38b5c3a5fb6ab1
     net: /run/netns/wks2
     binds:
-      - /etc/dpasswd:/etc/passwd
-      - /etc/dshadow:/etc/shadow
+      - /var/lib/adlin/etc/dpasswd:/etc/passwd
+      - /var/lib/adlin/etc/dshadow:/etc/shadow
 
   - name: mainrouter
     image: nemunaire/adlin-tuto3:0a3be87ab71564521401498b84280b5d6d1d5649
@@ -200,8 +200,8 @@ services:
         options: ["rw","nosuid","noexec","nodev","relatime"]
     binds:
       - /etc/dresolv.conf:/etc/resolv.conf
-      - /etc/dpasswd:/etc/passwd
-      - /etc/dshadow:/etc/shadow
+      - /var/lib/adlin/etc/dpasswd:/etc/passwd
+      - /var/lib/adlin/etc/dshadow:/etc/shadow
       #- /dev/console:/dev/console
   - name: matrix
     image: nemunaire/tinydeb:1f217c10a67219a46133578b0c316ba80d943b59
@@ -211,8 +211,8 @@ services:
      - all
     binds:
       - /etc/dresolv.conf:/etc/resolv.conf
-      - /etc/dpasswd:/etc/passwd
-      - /etc/dshadow:/etc/shadow
+      - /var/lib/adlin/etc/dpasswd:/etc/passwd
+      - /var/lib/adlin/etc/dshadow:/etc/shadow
   - name: ns-resolv
     image: nemunaire/unbound:528445043685979b1b479c6c44d68de36bc872ad
     net: /run/netns/ns
@@ -230,8 +230,8 @@ services:
       - /var/lib/adlin/nsd-db:/var/db/nsd:rw
       - /etc/nsd:/etc/nsd.sample:ro
       - /etc/network:/etc/network:ro
-      - /etc/dpasswd:/etc/passwd
-      - /etc/dshadow:/etc/shadow
+      - /var/lib/adlin/etc/dpasswd:/etc/passwd
+      - /var/lib/adlin/etc/dshadow:/etc/shadow
     runtime:
       mkdir:
         - /var/lib/adlin/nsd
@@ -310,6 +310,15 @@ files:
       EOSQL
     mode: "0555"
 
+  - path: /etc/init.d/012-rw-passwd.sh
+    contents: |
+      #!/bin/sh
+      mkdir -p /var/lib/adlin/etc/
+      cp /etc/dpasswd /var/lib/adlin/etc/dpasswd
+      cp /etc/dshadow /var/lib/adlin/etc/dshadow
+      exit 0
+    mode: "0555"
+
   - path: /etc/init.d/500-showip.sh
     contents: |
       #!/bin/sh