07-13-2001
When I upgrade like you are doing I install hard drives and write the old system and files to the new hard drive and set this new system up to boot on a new architecture. I would not try to boot from a SCSI tape drive, personally. Perhaps you are more adventureous
We had a thread on how to upgrade like this recently where we describe the details on how to upgrade in this way.
Yes, the applications are independent of CPU hardware speeds; so nothing to worry there!
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LEARN ABOUT DEBIAN
sbuild-update
SBUILD-UPDATE(1) Debian sbuild SBUILD-UPDATE(1)
NAME
sbuild-update - update, upgrade, and clean an sbuild chroot with apt-get
SYNOPSIS
sbuild-update [-h|--help] [-V|--version] [--arch=architecture] [-u|--update] [-g|--upgrade] [-d|--dist-upgrade] [-c|--clean] [-a|--auto-
clean] [-r|--autoremove] CHROOT1 [CHROOT2 [CHROOTn...]]
sbuild-update -k|--keygen
(DEPRECATED) sbuild-upgrade [-h|--help] [-V|--version] CHROOT1 [CHROOT2 [CHROOTn...]]
(DEPRECATED) sbuild-distupgrade [-h|--help] [-V|--version] CHROOT1 [CHROOT2 [CHROOTn...]]
(DEPRECATED) sbuild-clean [-h|--help] [-V|--version] [-c|--clean] [-a|--autoclean] [-r|--autoremove] CHROOT1 [CHROOT2 [CHROOTn...]]
DESCRIPTION
sbuild-update runs apt-get inside the specified chroot performing update, upgrade, dist-upgrade, clean, autoclean, and/or autoremove
depending on the options specified on the command line.
sbuild-upgrade, sbuild-distupgrade, and sbuild-clean, are deprecated. They now simply run sbuild-update with the appropriate options
(--upgrade or --dist-upgrade for sbuild-upgrade or sbuild-distupgrade respectively) along with whatever arguments were passed in the
scripts.
OPTIONS
Actions
-h, --help
Display this manual.
-V, --version
Print version information.
--arch=architecture
Update chroot for the architecture specified.
-u, --update
Perform an apt-get update.
-g, --upgrade
Perform an apt-get upgrade.
-d, --dist-upgrade
Perform an apt-get dist-upgrade.
-c, --clean
Perform an apt-get clean.
-a, --autoclean
Perform an apt-get autoclean.
-r, --autoremove
Perform an apt-get autoremove.
-k, --keygen
Generate a GPG public/private key pair for self-signing local apt archives, used for installation of dependency packages. Note that
this requires a significant amount of entropy (randomness) and may hang on systems with poor entropy sources, such as headless sys-
tems without direct user input. In this situation, it is advisable to create the key on a trusted local system, and copy the files
to the build system by hand from /var/lib/sbuild/apt-keys/.
Chroot selection
CHROOT The chroot to use. Note that 'o', 's', 't', 'u' and 'e' may be used as abbreviations for 'oldstable', 'stable', 'testing', 'unsta-
ble' and 'experimental', respectively.
EXAMPLES
To update the unstable chroot:
% sbuild-update --update unstable
To upgrade the unstable chroot:
% sbuild-update --upgrade unstable
To clean the unstable chroot:
% sbuild-update --clean unstable
To perform an update, dist-upgrade, clean, autoclean, and autoremove for the unstable chroot:
% sbuild-update -udcar unstable
AUTHORS
Roger Leigh.
Andres Mejia.
COPYRIGHT
Copyright (C) 2006-2009 Roger Leigh <rleigh@debian.org>.
Copyright (C) 2010 Andres Mejia <mcitadel@gmail.com>.
SEE ALSO
sbuild(1), sbuild-apt(1),
Version 0.63.2 18 Aug 2012 SBUILD-UPDATE(1)