Updating Red Hat from RH4 to the latest

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02-18-2010

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Updating Red Hat from RH4 to the latest

hi all,

i have a redhat 4 as (nahant) which i need to update to the latest. i need to download it from my subscription site.

my worry is that this is my first time to do it. is there a safe backout on it? do you have procedures for this? my backup on the linux is from ibm tsm.

i will use cd image because server is not expose to internet, so i can't use up2date.

thank you for any comment you may add.

itik

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LEARN ABOUT REDHAT

rhnsd

UP2DATE(8)							   Red Hat, Inc.							UP2DATE(8)

NAME

       rhnsd - a program for quering the Red Hat Network for updates and information

SYNOPSIS

       rhnsd [OPTION]...

DESCRIPTION

       rhnsd  is  a  daemon  process that runs in the background and periodically polls the Red Hat Network to see if there are any queued actions
       available. If any are queued, it runs them.

       rhnsd is typically started from the init scripts in /etc/init.d/rhnsd when it's time to poll the Red  Hat  Network  servers  for  available
       updates and actions. The default interval is every 120 minutes.	The minimum polling interval is 60 minutes.

       To  check for updates, rhnsd runs an external program called rhn_check. This is a small application that actually makes the network connec-
       tion to Red Hat Networks.

       The rhnsd daemon does not listen on any network ports, nor does it ever talk to the network directly. Any network activity is done via  the
       rhn_check utility.

       rhnsd  can  be configure by editing the /etc/sysconfig/rhn/rhnsd config file. This is actually the configuration file the rhnsd init script
       /etc/init.d/rhnsd uses.

       -i, --interval
	      Specify the interval that rhnsd should wait between checking the Red Hat Network. Default is 120 minutes, the minimum is 60 minutes.
	      This can also be specified in /etc/sysconfig/rhn/rhnsd

       -v, --verbose
	      output more information about what rhnsd is doing.

       -f, --foreground
	      force the rhnds process to run in the foreground instead of automatically backgrounding itself, as it does by default.

       FILES
       /etc/sysconfig/rhn/rhnsd
	      Configuration settings for the rhnsd daemons init script.
       /usr/sbin/rhn_check
	      The external program launched by rhnsd to connect to the Red Hat Network and retrieve any actions that have queued up.
       /etc/sysconfig/rhn/systemid
	      A certification that authenticates the client machine to the Red Hat Network. Generated via the up2date or rhnreg_ks utility.

SEE ALSO

       The rhnsd daemon is tightly coupled with Red Hat Network.  Visit <http://www.redhat.com/network> for access or to sign up.

       rhn_check(8), up2date(8), up2date-config(8),

AUTHORS

       Written by Preston Brown <pbrown@redhat.com> and
       Cristian Gafton <gafton@redhat.com>
REPORTING BUGS

       Report bugs to <http://bugzilla.redhat.com>.
COPYRIGHT

       Copyright (C) 1999, 2000 Red Hat, Inc.
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

4th Berkeley Distribution					  Fri Feb 9 2001							UP2DATE(8)

Red Hat