| #!/bin/bash |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| set -e |
| set -x |
| |
| # Remove 5s grub timeout to speed up booting |
| function configure_grub() { |
| grep GRUB_TIMEOUT=0 /etc/default/grub && return |
| |
| cat <<EOF > /etc/default/grub |
| # If you change this file, run 'update-grub' afterwards to update |
| # /boot/grub/grub.cfg. |
| |
| GRUB_DEFAULT=0 |
| GRUB_TIMEOUT=0 |
| GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` |
| GRUB_CMDLINE_LINUX_DEFAULT="quiet" |
| GRUB_CMDLINE_LINUX="debian-installer=en_US" |
| EOF |
| |
| update-grub |
| } |
| |
| return 2>/dev/null || configure_grub |