commit 24830adf715d8fb3835f80d7a1e356644332db0c
Author: Bohan Yang <youthdna@live.com>
Date:   Mon Sep 3 20:54:49 2018 +0800

    First commit

diff --git a/netboot.sh b/netboot.sh
new file mode 100644
index 0000000..c33a749
--- /dev/null
+++ b/netboot.sh
@@ -0,0 +1,227 @@
+#!/bin/sh
+
+set -ex
+
+while [ $# -gt 0 ]; do
+  case $1 in
+    -c)
+      COUNTRY=$2
+      shift
+      ;;
+    -h)
+      HOST=$2
+      shift
+      ;;
+    -x)
+      TRANSPORT=$2
+      shift
+      ;;
+    -m)
+      MIRROR=$2
+      shift
+      ;;
+    -d)
+      DIRECTORY=${2%/}
+      shift
+      ;;
+    -r)
+      SUITE=$2
+      shift
+      ;;
+    -u)
+      USERNAME=$2
+      shift
+      ;;
+    -p)
+      PASSWORD=$2
+      shift
+      ;;
+    -z)
+      TIMEZONE=$2
+      shift
+      ;;
+    -t)
+      NTPSERVER=$2
+      shift
+      ;;
+    -s)
+      SECURITY=$2
+      shift
+      ;;
+    -g)
+      UPGRADE=$2
+      shift
+      ;;
+    -l)
+      LINKED=true
+      ;;
+    *)
+      echo "Illegal option $1"
+      exit 1
+  esac
+  shift
+done
+
+case "$COUNTRY" in
+  CN)
+    TRANSPORT=${TRANSPORT:-https}
+    MIRROR=${MIRROR:-chinanet.mirrors.ustc.edu.cn}
+    TIMEZONE=${TIMEZONE:-Asia/Shanghai}
+    NTPSERVER=${NTPSERVER:-ntp1.aliyun.com}
+    LINKED=${LINKED:-true}
+esac
+
+COUNTRY=${COUNTRY:-US}
+HOST=${HOST:-debian}
+TRANSPORT=${TRANSPORT:-http}
+MIRROR=${MIRROR:-deb.debian.org}
+DIRECTORY=${DIRECTORY:-/debian}
+ARCH=$(dpkg --print-architecture)
+SUITE=${SUITE:-stable}
+USERNAME=${USERNAME:-debian}
+TIMEZONE=${TIMEZONE:-UTC}
+NTPSERVER=${NTPSERVER:-pool.ntp.org}
+UPGRADE=${UPGRADE:-full-upgrade}
+LINKED=${LINKED:-false}
+
+if [ -z "$PASSWORD" ]; then
+  PASSWORD=$(mkpasswd -m sha-512)
+else
+  PASSWORD=$(mkpasswd -m sha-512 "$PASSWORD")
+fi
+
+if [ -z "$SECURITY" ]; then
+  if $LINKED; then
+    SECURITY=$TRANSPORT://$MIRROR${DIRECTORY%/*}/debian-security
+  else
+    SECURITY=http://security.debian.org/debian-security
+  fi
+fi
+
+BOOT=/boot/debian-$SUITE
+URL=$TRANSPORT://$MIRROR$DIRECTORY/dists/$SUITE/main/installer-$ARCH/current/images/netboot/debian-installer/$ARCH
+
+update-grub
+rm -fr "$BOOT"
+mkdir -p "$BOOT"
+cd "$BOOT"
+
+cat >> preseed.cfg << EOF
+# COUNTRY: 1
+# HOST: 2
+# TRANSPORT: 3
+# MIRROR: 3
+# DIRECTORY: 3
+# SUITE: 3, 8
+# USERNAME: 4
+# PASSWORD: 4
+# TIMEZONE: 5
+# NTPSERVER: 5
+# SECURITY: 8
+# UPGRADE: 9
+
+# 1. Localization: COUNTRY
+
+d-i debian-installer/locale string en_US
+d-i debian-installer/language string en
+d-i debian-installer/country string {{-COUNTRY-}}
+d-i debian-installer/locale string en_US.UTF-8
+d-i keyboard-configuration/xkb-keymap select us
+
+# 2. Network configuration: HOST
+
+d-i netcfg/choose_interface select auto
+d-i netcfg/get_hostname string unassigned-hostname
+d-i netcfg/get_domain string unassigned-domain
+d-i netcfg/hostname string {{-HOST-}}
+d-i hw-detect/load_firmware boolean true
+
+# 3. Mirror settings: TRANSPORT, MIRROR, DIRECTORY, SUITE
+
+d-i mirror/country string manual
+d-i mirror/protocol string {{-TRANSPORT-}}
+d-i mirror/{{-TRANSPORT-}}/hostname string {{-MIRROR-}}
+d-i mirror/{{-TRANSPORT-}}/directory string {{-DIRECTORY-}}
+d-i mirror/{{-TRANSPORT-}}/proxy string
+d-i mirror/suite string {{-SUITE-}}
+d-i mirror/udeb/suite string {{-SUITE-}}
+
+# 4. Account setup: USERNAME, PASSWORD
+
+d-i passwd/root-login boolean false
+d-i passwd/user-fullname string
+d-i passwd/username string {{-USERNAME-}}
+d-i passwd/user-password-crypted password {{-PASSWORD-}}
+
+# 5. Clock and time zone setup: TIMEZONE, NTPSERVER
+
+d-i clock-setup/utc boolean true
+d-i time/zone string {{-TIMEZONE-}}
+d-i clock-setup/ntp boolean true
+d-i clock-setup/ntp-server string {{-NTPSERVER-}}
+
+# 6. Partitioning
+
+d-i partman-basicfilesystems/no_swap boolean false
+d-i partman-auto/method string regular
+d-i partman-lvm/device_remove_lvm boolean true
+d-i partman-md/device_remove_md boolean true
+d-i partman-lvm/confirm boolean true
+d-i partman-lvm/confirm_nooverwrite boolean true
+d-i partman-auto/expert_recipe string naive :: 0 1 -1 ext4 $primary{ } $bootable{ } method{ format } format{ } use_filesystem{ } filesystem{ ext4 } mountpoint{ / } .
+d-i partman-auto/choose_recipe select naive
+d-i partman-partitioning/confirm_write_new_label boolean true
+d-i partman/choose_partition select finish
+d-i partman/confirm boolean true
+d-i partman/confirm_nooverwrite boolean true
+d-i partman/mount_style select uuid
+
+# 7. Base system installation
+
+d-i base-installer/install-recommends boolean false
+
+# 8. Apt setup: SECURITY, SUITE
+
+d-i apt-setup/services-select multiselect updates
+d-i apt-setup/local0/repository string {{-SECURITY-}} {{-SUITE-}}/updates main
+d-i apt-setup/local0/source boolean true
+
+# 9. Package selection: TASKS, UPGRADE
+
+tasksel tasksel/first multiselect ssh-server
+d-i pkgsel/upgrade select {{-UPGRADE-}}
+popularity-contest popularity-contest/participate boolean false
+
+# 10. Boot loader installation
+
+d-i grub-installer/only_debian boolean true
+d-i grub-installer/bootdev string default
+EOF
+
+sed -i 's/{{-COUNTRY-}}/'"$COUNTRY"'/g' preseed.cfg
+sed -i 's/{{-HOST-}}/'"$HOST"'/g' preseed.cfg
+sed -i 's/{{-TRANSPORT-}}/'"$TRANSPORT"'/g' preseed.cfg
+sed -i 's/{{-MIRROR-}}/'"$MIRROR"'/g' preseed.cfg
+sed -i 's/{{-DIRECTORY-}}/'$(echo "$DIRECTORY" | sed 's/\//\\\//g')'/g' preseed.cfg
+sed -i 's/{{-SUITE-}}/'"$SUITE"'/g' preseed.cfg
+sed -i 's/{{-USERNAME-}}/'"$USERNAME"'/g' preseed.cfg
+sed -i 's/{{-PASSWORD-}}/'$(echo "$PASSWORD" | sed 's/\//\\\//g')'/g' preseed.cfg
+sed -i 's/{{-TIMEZONE-}}/'$(echo "$TIMEZONE" | sed 's/\//\\\//g')'/g' preseed.cfg
+sed -i 's/{{-NTPSERVER-}}/'"$NTPSERVER"'/g' preseed.cfg
+sed -i 's/{{-SECURITY-}}/'$(echo "$SECURITY" | sed 's/\//\\\//g')'/g' preseed.cfg
+sed -i 's/{{-UPGRADE-}}/'"$UPGRADE"'/g' preseed.cfg
+
+wget "$URL/linux" "$URL/initrd.gz"
+gunzip initrd.gz
+echo preseed.cfg | cpio -H newc -o -A -F initrd
+gzip initrd
+
+cat >> ../grub/grub.cfg << EOF
+menuentry 'New Install' {
+insmod part_msdos
+insmod ext2
+set root='(hd0,msdos1)'
+linux $BOOT/linux
+initrd $BOOT/initrd.gz
+}
+EOF