RHEL DVD光盘制作方法

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本文介绍了一个用于将RHEL的4张CD镜像整合到一张DVD镜像的脚本。该脚本由Red Hat工程师编写，可以方便地将多个CD镜像整合到一个DVD镜像中，简化了系统的安装过程。

Fedora Core系列早已提供DVD(ISO)下载，而使用最广泛的RHEL系列，却依然是4张CD,

安装时要不停的更换光盘。安装结束后，如果再安装某个RPM包，就更加让人头疼，经常是4张光盘

都找个遍才能找到。

以前看到过Redhat的一个工程师写的CD转DVD的script, 使用起来非常方便。RHEL每发布一个Update,

我都制作一个同样的DVD. 为了避免这个脚本丢失，特纪录如下.

■1. 使用方法

convert2dvd.sh dir dvdfilename

①dir: 存放RHEL 4个ISO文件的目录

②dvdfilename , 比如 RHEL4U4_DVD.iso

■2.script ( convert2dvd.sh)

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#/bin/bash

# by Chris Kloiber <ckloiber@redhat.com>

# A quick hack that will create a bootable DVD iso of a Red Hat Linux
# Distribution. Feed it either a directory containing the downloaded
# iso files of a distribution, or point it at a directory containing
# the "RedHat", "isolinux", and "images" directories.

# This version only works with "isolinux" based Red Hat Linux versions.

# Lots of disk space required to work, 3X the distribution size at least.

# GPL version 2 applies. No warranties, yadda, yadda. Have fun.

if [ $# -lt 2 ]; then
echo "Usage: `basename $0` source /destination/DVD.iso"
echo ""
echo " The 'source' can be either a directory containing a single"
echo " set of isos, or an exploded tree like an ftp site."
exit 1
fi

cleanup() {
[ ${LOOP:=/tmp/loop} = "/" ] && echo "LOOP mount point = //, dying!" && exit
[ -d $LOOP ] && rm -rf $LOOP
[ ${DVD:=~/mkrhdvd} = "/" ] && echo "DVD data location is //, dying!" && exit
[ -d $DVD ] && rm -rf $DVD
}

cleanup
mkdir -p $LOOP
mkdir -p $DVD

if [ !`ls $1/*.iso 2>&1>/dev/null ; echo $?` ]; then
echo "Found ISO CD images..."
CDS=`expr 0`
DISKS="1"

for f in `ls $1/*.iso`; do
  mount -o loop $f $LOOP
  cp -av $LOOP/* $DVD
  if [ -f $LOOP/.discinfo ]; then
   cp -av $LOOP/.discinfo $DVD
   CDS=`expr $CDS + 1`
   if [ $CDS != 1 ] ; then
                        DISKS=`echo ${DISKS},${CDS}`
                fi
  fi
  umount $LOOP
done
if [ -e $DVD/.discinfo ]; then
  awk '{ if ( NR == 4 ) { print disks } else { print ; } }' disks="$DISKS" $DVD/.discinfo > $DVD/.discinfo.new
  mv $DVD/.discinfo.new $DVD/.discinfo
fi
else
echo "Found FTP-like tree..."
rsync -avP --exclude SRPMS $1/* $DVD
# cp -av $1/* $DVD
[ -e $1/.discinfo ] && cp -av $1/.discinfo $DVD
fi

rm -rf $DVD/isolinux/boot.cat
find $DVD -name TRANS.TBL | xargs rm -f

# My thanks to Mubashir Cheema for suggesting this fix.
# cd $DVD
mkisofs -J -R -v -T -o $2 -b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot -boot-load-size 8 -boot-info-table $DVD

/usr/lib/anaconda-runtime/implantisomd5 --force $2
# Don't like forced mediacheck? Try this instead.
# /usr/lib/anaconda-runtime/implantisomd5 --supported-iso --force $2

cleanup
echo ""
echo "Process Complete!"
echo ""

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