XenServerに入れたdebianをNISクライアントとしてセットアップ

nis_setup.sh

#!/bin/bash

## XenServerVM用NISクライアント設定スクリプト
## xs-tools.isoを最初にマウントしておく

if [ "$UID" != "0" ]; then
    echo "This script is for root user."
    exit 0
fi

LOGINED=`users`
if [ "root" != "$LOGINED" ]; then
    echo "Please run when only one root user is logined."
    exit 0
fi

# 全てのユーザを削除するので確認
echo -n "This script will delete all users. (yes/no) "
read -n 1 ANS
echo
case $ANS in
    [Yy])
        ;;
    *)
        exit 0
        ;;
esac

# 再確認
echo -n "Are you sure? (yes/no) "
read -n 1 ANS
echo
case $ANS in
    [Yy])
        ;;
    *)
        exit 0
        ;;
esac

# 旧HOMEの移動先
mkdir /oldhome

# ユーザ(1000 <= UID < 30000)を調べて全削除しファイルを移動
USERNAMES=`cat /etc/passwd | awk -F: '$3 >= 1000 && $3 < 30000 { print $1 }'`
for USERNAME in $USERNAMES; do
    deluser $USERNAME
    mv /home/$USERNAME /oldhome
done

# Xenのクライアント用パッケージをインストール
mount /dev/xvdd /media
/media/Linux/install.sh
umount /media

aptitude update
aptitude -Ry upgrade
aptitude -Ry install ssh ntp nis autofs nfs-common sudo zsh

# NISクライアントの設定
cat << 'EOF' > /etc/nsswitch.conf
# /etc/nsswitch.conf
#
# Example configuration of GNU Name Service Switch functionality.
# If you have the `glibc-doc-reference' and `info' packages installed, try:
# `info libc "Name Service Switch"' for information about this file.

passwd:         nis compat
group:          nis compat
shadow:         nis compat
automount:      nis compat

hosts:          nis files dns
networks:       files

protocols:      db files
services:       db files
ethers:         db files
rpc:            db files

netgroup:       nis
EOF

/etc/init.d/autofs restart

# sudoersの設定
cat << 'EOF' > /etc/sudoers
# /etc/sudoers
#
# This file MUST be edited with the 'visudo' command as root.
#
# See the man page for details on how to write a sudoers file.
#

Defaults	env_reset

# Host alias specification

# User alias specification

# Cmnd alias specification

# User privilege specification
root	ALL=(ALL) ALL

# Uncomment to allow members of group sudo to not need a password
# (Note that later entries override this, so you might need to move
# it further down)
# %sudo ALL=NOPASSWD: ALL
#
#includedir /etc/sudoers.d

%admin	ALL=(ALL) NOPASSWD: ALL
EOF

cat << EOF > /etc/apt/sources.list
deb http://ftp.jp.debian.org/debian/ squeeze main contrib non-free
deb-src http://ftp.jp.debian.org/debian/ squeeze main contrib non-free

deb http://security.debian.org/ squeeze/updates main
deb-src http://security.debian.org/ squeeze/updates main

# squeeze-updates, previously known as 'volatile'
deb http://ftp.jp.debian.org/debian/ squeeze-updates main
deb-src http://ftp.jp.debian.org/debian/ squeeze-updates main
EOF

aptitude update