10-15-2019
Ok thank you. For clarification chrootbeg and chrootend were bash functions I created in the script not actual commands. If I do what you mentioned and create a separate script that contain just the commands to be run in a chroot env and put a exit command in it does that kills the script but doesn't exit the chroot environment? Then I have to type exit interactively at the prompt to exit the chroot env?
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LEARN ABOUT CENTOS
fragiso
FRAGISO(8) System Manager's Manual FRAGISO(8)
NAME
fragiso - split rpm packages from an iso and reassemble the iso later on
SYNOPSIS
fragiso make iso fiso
fragiso list fiso
fragiso fill [-m] fiso iso
DESCRIPTION
fragiso can be used to convert an iso file into a fragment file, which is a list describing all of the rpms on the iso and a data chunk
containing everything but the rpms. It is used by drpmsync when an iso needs to be transferred. The idea is that often the rpms on the iso
are already available on the destination host, so it saves bandwidth to first transfer the fragmented iso, copy the locally available rpms,
transfer the unavailable rpms and reassemble the iso file.
fragiso make converts the iso into the fragment iso, fragiso list can be used to extract the rpm information. This information consists of
the offset and length of all rpms and the lead/signature header md5sum plus the header/payload md5sum. To reassemble the iso one has to
copy the rpms at the right offset into a new file and then use fragiso fill later on to provide all data not contained in the rpms. The -m
option tells fragiso to print the resulting md5sum of the iso to stdout. It can be used for verification purposes.
SEE ALSO
drpmsync(8)
AUTHOR
Michael Schroeder <mls@suse.de>
Mar 2007 FRAGISO(8)