#!/bin/bash
mkdir /apt/packages
cp /var/cache/apt/archives/*.deb /apt/packages/
cd /apt  #注意 cd 要到 deb 包保存目录的上层目录
apt-ftparchive packages . | gzip -c > Packages.gz
gunzip -k Packages.gz
apt-ftparchive release ./ > Release

cat > /etc/apt/sources.list << EOF
deb [trusted=yes] file:///apt/ ./
EOF

如果想打包成 iso 文件可以执行如下命令

#!/bin/bash
apt-get install genisoimage
genisoimage -R  -o  /opt/deb.iso /apt/