Change default password for user abc to random value

data/etc/s6-overlay/s6-rc.d/init-custom-users/run

@@ -2,6 +2,9 @@
 
 test -f /etc/users.list || exit 0
 
+echo "Change default password for user abc to random value"
+echo abc:`openssl rand -base64 30` | tee >(sudo chpasswd)
+
 while read id username hash groups; do
         # Skip, if user already exists
         grep ^$username /etc/passwd && continue