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installupdate(8)					     installupdate(8)


  installupdate	- Invokes the Update Installation procedure


  /sbin/installupdate [-nogui] [-u] {ris_server:}

  /sbin/installupdate [-nogui] [-u] {[cdrom_device], [cdrom_mount_point]}


      On systems with graphics capability, this	option invokes the text-
      based, menu driven user interface	rather than the	graphical user inter-

  -u  Invokes an unattended Update Installation. Unattended means that bar-
      ring any problems	during the Update Installation,	there is no user
      interaction required. This option	builds a kernel	with all kernel	com-
      ponents, automatically removes blocking software,	and does not provide
      the option to archive obsolete files before the Update Installation
      process deletes them.


  The installupdate command invokes the	Update Installation. An	Update
  Installation updates the  base operating system software to the next
  released version of the operating system. The	Update Installation preserves
  user files, data files, print	and network configurations, user accounts,
  and any other	system setup and customization you may have done.

  An Update Installation does not update layered products, but you can still
  perform an Update Installation if your system	is installed with layered
  products.  Some layered products operate properly with the new version of
  the operating	system and others must be reinstalled with a version that is
  compatible with the new version of the operating system. You are notified
  accordingly. You can delete these products during the	Update Installation
  process and then reinstall them on the updated system.

  There	are two	distribution methods for an Update Installation:

    +  From the	operating system CD-ROM	(from a	mount point or CD-ROM device)

    +  Over a network connection to a Remote Installation Services (RIS)
       server that is serving the most recent version of the operating system

  The Update Installation is performed from single-user	mode. You must be
  superuser or the user	root to	bring a	system down to single-user mode. Do
  not boot to single-user mode to perform an Update Installation.

  Whether you are using	CD-ROM or RIS, the Update Installation process is
  started by entering the /sbin/installupdate command from the command line.

  The functions	performed during the Update Installation process include:

    +  Detecting and deleting obsolete system files, files that	were previ-
       ously shipped with the older version of the operating system but	are
       not in the new release. You have	the option to archive these files to
       a file name of your choice before they are removed from the system.

    +  Checking	for file types that you	have changed since the last version
       of the operating	system.	Certain	file type conflicts prevent the
       Update Installation from	continuing, and	you must resolve these con-
       flicts before you can restart the Update. This feature preserves	the
       integrity of the	new operating system about to be installed.

    +  Checking	for adequate free disk space to	ensure the Update Installa-
       tion has	enough room for	temporary processing and there is enough disk
       space for the new software subsets that were introduced in the new
       version of the operating	system.

    +  Saving unprotected customized files to files with .PreUPD extensions
       to preserve customizations that were made to unprotected	system files.
       These files are not expected to be modified and are not merge pro-
       tected from the Update Installation, therefore they are saved with the
       .PreUPD extension.

    +  Performing merges of protected system files.  These are files that are
       shipped as part of the  operating system	that are expected to be	cus-
       tomized (for example, the /etc/hosts file). These files are merge pro-
       tected, which means that	user customizations are	preserved and newly
       introduced functionality	is merged into the already customized file.

    +  Using the setld command to load new software subsets.  Subsets previ-
       ously installed are updated as well as any new mandatory	subsets	that
       were introduced in the new version of the operating system. Base
       operating system	subsets	and Worldwide Language Support (WLS) subsets
       are updated.

    +  Building	a custom kernel	and rebooting the system with that kernel.

    +  Executing user-supplied update_preinstall and update_postload files,
       if they exist, to perform customizations	on the updated system.

  An Update Installation completes in 45 to 120	minutes. Actual	time varies
  depending on your processor type, the	number of software subsets that	have
  to be	updated, network traffic, and the speed	of the CD-ROM device. You
  need to respond to prompts only during the initial analysis phase of the
  Update Installation

  Postinstallation tasks may include manually merging file customizations
  into those files  that were not done automatically and rebuilding the	ker-
  nel with layered product kernel components. It is recommended	that you
  review the Update Installation log files located in the /var/adm/smlogs
  directory when the Update Installation is complete.


      Contains a log of	the output that	was displayed to the screen during
      the Update Installation.

      Contains a list of the files that	were saved to a	.PreUPD	extension.

      Contains a list of the files that	were saved to a	.PreMRG	extension.

      Contains a list of the protected system files that failed	to automati-
      cally merge during the Update Installation.


  Commands: doconfig(8), fitset(8), ris(8), setld(8), updadmin(8)

  Installation Guide

  Installation Guide --	Advanced Topics

  Update Installation Quick Reference Card

  Sharing Software on a	Local Area Network