diff --git a/debian/rules b/debian/rules
index d619713..31c1c17 100755
--- a/debian/rules
+++ b/debian/rules
@@ -4,6 +4,3 @@
 
 %:
 	dh $@
-
-# override_dh_usrlocal to do nothing
-override_dh_usrlocal:
diff --git a/debian/install b/debian/vn-host.install
similarity index 100%
rename from debian/install
rename to debian/vn-host.install
diff --git a/debian/vn-host.postinst b/debian/vn-host.postinst
new file mode 100644
index 0000000..b05b67d
--- /dev/null
+++ b/debian/vn-host.postinst
@@ -0,0 +1,56 @@
+#! /bin/sh
+# postinst script for vn-host
+#
+# see: dh_installdeb(1)
+
+# summary of how this script can be called:
+#        * <postinst> `configure' <most-recently-configured-version>
+#        * <old-postinst> `abort-upgrade' <new version>
+#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
+#          <new-version>
+#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
+#          <failed-install-package> <version> `removing'
+#          <conflicting-package> <version>
+# for details, see /usr/share/doc/packaging-manual/
+#
+# quoting from the policy:
+#     Any necessary prompting should almost always be confined to the
+#     post-installation script, and should be protected with a conditional
+#     so that unnecessary prompting doesn't happen if a package's
+#     installation fails and the `postinst' is called with `abort-upgrade',
+#     `abort-remove' or `abort-deconfigure'.
+
+set -e
+
+CERTS="VerdnaturaCA.crt VerdnaturaIntermediateLab.crt VerdnaturaInformaticaCA.crt"
+
+CERTSDIR=/usr/share/ca-certificates
+VERDNATURACERTSDIR="${CERTSDIR}/verdnatura"
+LOCALCERTSDIR=/usr/local/share/ca-certificates
+case "$1" in
+    configure)
+        # Force install verdnatura certificates from installation directory
+        # update-ca-certificates only process files in /usr/local/share/ca-certificates
+        # See lintian-explain-tags dir-in-usr-local for more explain 
+        for certfile in ${CERTS} ; do
+            ln -s ${VERDNATURACERTSDIR}/${certfile} ${LOCALCERTSDIR} 
+        done
+    ;;
+
+    abort-upgrade|abort-remove|abort-deconfigure)
+
+    ;;
+
+    *)
+        echo "postinst called with unknown argument \`$1'" >&2
+        exit 1
+    ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit 0
+
diff --git a/debian/vn-host.postrm b/debian/vn-host.postrm
new file mode 100644
index 0000000..e62aa54
--- /dev/null
+++ b/debian/vn-host.postrm
@@ -0,0 +1,48 @@
+#! /bin/sh
+# postrm script for vn-host
+#
+# see: dh_installdeb(1)
+
+set -e
+
+# summary of how this script can be called:
+#        * <postrm> `remove'
+#        * <postrm> `purge'
+#        * <old-postrm> `upgrade' <new-version>
+#        * <new-postrm> `failed-upgrade' <old-version>
+#        * <new-postrm> `abort-install'
+#        * <new-postrm> `abort-install' <old-version>
+#        * <new-postrm> `abort-upgrade' <old-version>
+#        * <disappearer's-postrm> `disappear' <r>overwrit>r> <new-version>
+# for details, see /usr/share/doc/packaging-manual/
+
+# Clear the debconf database as early as possible and signal debconf that
+# we are done with it.
+
+
+CERTS="VerdnaturaCA.crt VerdnaturaIntermediateLab.crt VerdnaturaInformaticaCA.crt"
+
+CERTSDIR=/usr/share/ca-certificates
+VERDNATURACERTSDIR="${CERTSDIR}/verdnatura"
+LOCALCERTSDIR=/usr/local/share/ca-certificates
+
+case "$1" in
+    remove|purge)
+        for certfile in ${CERTS} ; do
+            unlink ${LOCALCERTSDIR}/${certfile} 2>/dev/null || true
+        done
+        ;;
+
+    upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
+        ;;
+
+    *)
+        echo "postrm called with unknown argument \`$1'" >&2
+        exit 1
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+