diff --git a/preseed/debian/buster/preseed.cfg b/preseed/debian/buster/preseed.cfg
index 32f8deb..bfde9fa 100644
--- a/preseed/debian/buster/preseed.cfg
+++ b/preseed/debian/buster/preseed.cfg
@@ -1,6 +1,6 @@
 # .. vim: foldmarker=[[[,]]]:foldmethod=marker
 
-# Howto use [[[
+## Howto use [[[
 ######################################################################
 
 ## With a PXE boot:
@@ -11,7 +11,7 @@
 #    APPEND vga=normal initrd=installer/debian/buster/amd64/initrd_firm.gz auto=true interface=auto netcfg/dhcp_timeout=60 netcfg/choose_interface=auto priority=critical preseed/url=tftp://129.20.203.27/installer/debian/buster/amd64/preseed.cfg
 
 ################################################################## ]]]
-# Localization [[[
+## Localization [[[
 ######################################################################
 
 ## Install Time
@@ -38,9 +38,13 @@ d-i   keyboard-configuration/xkb-keymap           select      French
 ## Network configuration [[[
 ######################################################################
 
+## Auto-configure networking
+d-i   netcfg/use_autoconfig                       boolean     true
+
 ## To set a different link detection timeout (default is 3 seconds).
 ## Values are interpreted as seconds.
 d-i   netcfg/link_detection_timeout               string      20
+d-i   netcfg/link_wait_timeout                    string      3
 
 ## If you have a slow dhcp server and the installer times out waiting for
 ## it, this might be useful.
@@ -84,6 +88,9 @@ d-i   mirror/suite                                string
 ## Account [[[
 ######################################################################
 
+## Enable shadow passwords
+d-i   passwd/shadow                               boolean  true
+
 ## Allow login as root?
 d-i   passwd/root-login                           boolean     true
 
@@ -94,7 +101,7 @@ d-i   passwd/root-login                           boolean     true
 d-i   passwd/root-password-crypted                password    $6$ceGTxMxc$gXajYByJna1cfTjaST3TcF0FfrlSAaEcmCiOMq/DBOuD0tlu8VYQosZPgwcFT4bCuODMErU/fgRxZEeu9c10V0
 
 
-# Create a normal user account now?
+## Create a normal user account now?
 d-i   passwd/make-user                            boolean     false
 
 ## User name
@@ -152,6 +159,9 @@ d-i partman-auto/purge_lvm_from_device            boolean     true
 d-i partman-lvm/confirm                           boolean     true
 d-i partman-lvm/confirm_nooverwrite               boolean     true
 
+## Volume Group/vg name
+d-i partman-auto-lvm/new_vg_name                string  sys
+
 ## LVM partition
 ### This recipe need almost 30Gb free space it's add all <min size>
 ###   sda2 (16Gb), lv_* (~14Gb) then it should not count it because
@@ -258,6 +268,16 @@ d-i   partman/choose_partition                    select      finish
 d-i   partman/confirm                             boolean     true
 d-i   partman/confirm_nooverwrite                 boolean     true
 
+################################################################## ]]]
+## Kernel [[[
+######################################################################
+
+## Kernel to install
+d-i   base-installer/kernel/image                 select      linux-image-amd64
+
+## Drivers to include in the initrd
+d-i   base-installer/initramfs-tools/driver-policy select      most
+
 ################################################################## ]]]
 ## APT configuration // Package selection [[[
 ######################################################################
@@ -268,8 +288,10 @@ d-i   apt-setup/hostname                          string      ftp.fr.debian.org
 d-i   apt-setup/directory                         string      /debian/
 d-i   apt-setup/another                           boolean     false
 d-i   apt-setup/security-updates                  boolean     false
+d-i   apt-setup/services-select                   multiselect security
 d-i   apt-setup/non-free                          boolean     true
 d-i   apt-setup/contrib                           boolean     true
+d-i   apt-setup/enable-source-repositories        boolean     true
 
 ## Choose packages
 tasksel tasksel/first                             multiselect ssh-server
@@ -312,9 +334,12 @@ d-i   grub-installer/with_other_os                boolean     true
 
 ## Since Debian Jessie, the d-i will ask to specify the device for Grub.
 ## Should use 'default', to use the default system disk
-#   Fix: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=759737
+###   Fix: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=759737
 d-i   grub-installer/bootdev                      string      default
 
+## Don't force GRUB installation to the EFI removable media path
+d-i   grub-installer/force-efi-extra-removable    boolean     false
+
 ################################################################## ]]]
 ## Finishing up the installation [[[
 ######################################################################
@@ -335,10 +360,11 @@ d-i   cdrom-detect/eject                          boolean     false
 #d-i debian-installer/exit/poweroff boolean true
 
 ## Execute some last commands
+#in-target wget -O /tmp/latecommand.tar.gz "https://wiki.101010.fr/lib/exe/fetch.php?media=documentation:administration_systeme:latecommand.tar.gz" --no-check-certificate ; \
 d-i preseed/late_command string in-target umount /dev/sys/lv_free ; \
 lvremove -f /dev/sys/lv_free ; \
 in-target /bin/rmdir /mnt/free ; in-target /bin/sed -i '/lv_free/d' /etc/fstab ; \
 in-target /bin/sed -i 's/\(^\|^\#\)\(PermitRootLogin\).*/\2 yes/g' /etc/ssh/sshd_config ; \
 in-target /usr/bin/tftp 129.20.203.27 -c get scripts/latecommand.tar.gz /tmp/latecommand.tar.gz ; \
 in-target tar xzf /tmp/latecommand.tar.gz -C /tmp/ ; \
-in-target /bin/sh /tmp/latecommand/post.sh
+in-target /bin/sh /tmp/latecommand/post.buster.sh