Less known Solaris features: Live Upgrade

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LEARN ABOUT DEBIAN

upgrade-system

UPGRADE-SYSTEM(8)						 Debian GNU/Linux						 UPGRADE-SYSTEM(8)

NAME

       upgrade-system - Command for upgrading and sanitizing a Debian system

SYNOPSIS

       upgrade-system

DESCRIPTION

       upgrade-system  is  an  APT  front-end  that simplifies regular upgrading of Debian systems, only requiring an administrator's intervention
       whenever updated packages necessitate the configuration of new features.

USAGE

       upgrade-system is run from the command line shell by the administrator. It performs the following actions:

       o  Resynchronize the list of available packages.

       o  Upgrade all packages to their newest version.

       o  Remove all obsolete package dependencies.

       o  Clean retrieved archives off the APT cache.

ENVIRONMENT

       Setting the FLAUSCH environment variable enables useful advanced system sanitization features. See upgrade-system.conf(5) for more details.

FILES

       /etc/upgrade-system.conf

AUTHORS

       Copyright (C) 2003-2004 Martin Zdrahal <martin.zdrahal@konflux.at>
       Copyright (C) 2004,2012 Christoph Schindler <hop@30hopsmax.at>
       Copyright (C) 2004-2012 Martin-Eric Racine <martin-eric.racine@iki.fi>

LICENSE

       GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>.

SEE ALSO

       apt(8), upgrade-system.conf(5).

http://q-funk.iki.fi						    2004-02-16							 UPGRADE-SYSTEM(8)

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