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REDHAT-UPGRADE-TOOL(8)	redhat-upgrade-tool User Manual REDHAT-UPGRADE-TOOL(8)

NAME
       redhat-upgrade-tool - Red Hat Upgrade tool

SYNOPSIS
       redhat-upgrade-tool [OPTIONS] SOURCE

DESCRIPTION
       redhat-upgrade-tool is the Red Hat Upgrade tool.

       The redhat-upgrade-tool client runs on the system to be upgraded. It
       determines what packages are needed for upgrade and gathers them from
       the source(s) given. It also fetches and sets up the boot images needed
       to run the upgrade and sets up the system to perform the upgrade at
       next boot.

       The actual upgrade takes place when the system is rebooted, using the
       boot images set up by redhat-upgrade-tool. The upgrade initrd starts
       the existing system (mostly) as normal, lets it mount all the local
       filesystems, then starts the upgrade.

       When the upgrade finishes, it reboots the system into the
       newly-upgraded OS.

OPTIONS
   Optional arguments
       -h, --help
	   Show a help message and exit.

       -v, --verbose
	   Print more info.

       -d, --debug
	   Print lots of debugging info.

       --debuglog DEBUGLOG
	   Write debugging output to the given file. Defaults to
	   /var/log/redhat-upgrade-tool.log.

       --reboot
	   Automatically reboot to start the upgrade when ready.

   SOURCE
       These options tell redhat-upgrade-tool where to look for the packages
       and boot images needed to run the upgrade. At least one of these
       options is required.

       --device [DEV]
	   Device or mountpoint of mounted install media. If DEV is omitted,
	   redhat-upgrade-tool will scan all currently-mounted removable
	   devices (USB disks, optical media, etc.)

       --iso ISO
	   Installation image file.

       --network VERSION
	   Online repos matching VERSION (a number or "rawhide")

       Multiple sources may be used, if desired.

   Additional options for --network
       --enablerepo REPOID
	   Enable one or more repos (wildcards allowed).

       --disablerepo REPOID
	   Disable one or more repos (wildcards allowed).

       --addrepo REPOID=[@]URL
	   Add the repo at URL. Prefix URL with @ to indicate that the URL is
	   a mirrorlist.

       --instrepo REPOID
	   Get upgrader boot images from the repo named REPOID. The repo must
	   contain a valid .treeinfo file which points to the location of
	   usable kernel and upgrade images.

   Cleanup commands
       --resetbootloader
	   Remove any modifications made to bootloader configuration.

       --clean
	   Clean up everything written by redhat-upgrade-tool.

EXAMPLES
       redhat-upgrade-tool --network 7.0 --instrepo <repo URL>

       Upgrade to RHEL 7.0 by downloading all needed packages and data from
       the specified repository.

       redhat-upgrade-tool --device --network 7.0

       Upgrade to RHEL 7.0 using install media mounted somewhere on the
       system, fetching updates from the network if needed.

EXIT STATUS
       0
	   Success.

       1
	   Cancelled by user, failure writing files to disk, or other unknown
	   error

       2
	   Failed to download/copy files from the given SOURCE

       3
	   RPM upgrade transaction test failed

BUGS
       The --iso image must be on a filesystem listed in /etc/fstab.

AUTHORS
       Will Woods <wwoods@redhat.com>

redhat-upgrade-tool		  11/08/2013		REDHAT-UPGRADE-TOOL(8)

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