Update cockpit-install.sh

tweak

install/cockpit-install.sh

@@ -25,8 +25,8 @@ msg_info "Installing Cockpit"
 source /etc/os-release
 echo "deb http://deb.debian.org/debian ${VERSION_CODENAME}-backports main" >/etc/apt/sources.list.d/backports.list
 $STD apt-get update
-#$STD apt-get install -t ${VERSION_CODENAME}-backports cockpit --no-install-recommends -y
-$STD apt-get install -t ${VERSION_CODENAME}-backports cockpit -y
+$STD apt-get install -t ${VERSION_CODENAME}-backports cockpit --no-install-recommends -y
+$STD apt-get install -t ${VERSION_CODENAME}-backports cockpit-packagekit -y
 sed -i "s/root//g" /etc/cockpit/disallowed-users
 msg_ok "Installed Cockpit"