cd to the folder where the deb files are kept.
Run following cmds
# dpkg-scanpackages . /dev/null | gzip -9c > Packages.gz
edit /etc/apt/sources.list file
deb file:/home/$username/repository/disk_1/ /
# apt-get update
# apt-get install <package name>
if apt-get update gives error for cdrom, run this command
# apt-cdrom add
