What is Dell System Update (DSU)
--------------------------------

Dell System Update (DSU) ensures that the Dell systems are up-to-date with the latest BIOS, firmware, and software. DSU contains
* OpenManage Server Administrator.
* BIOS and firmware updates for server platforms

Setup The repository
---------------------
#wget -q -O - http://linux.dell.com/repo/hardware/dsu/bootstrap.cgi | bash

Installing DSU
-----------------
a) Red Hat Enterprise Linux Servers
                #yum install dell-system-update

b) SUSE Linux Enterprise Servers
                #zypper install dell-system-update

Updating Firmware and OpenManage Server Administrator (OMSA)
-------------------------------------------------------------

The below command will provide a command line interface to update firmware and OMSA in the platform.
#dsu

Note:- If OMSA is already installed, it can be updated using dsu tool

DSU Help menu
--------------
		#dsu --help

Getting the DSU utility version
-------------------------------
		#dsu --version

Getting System Inventory
------------------------
                #dsu --inventory

Non-interactive device updates
------------------------------
DSU supports devices updates in a non-interactive way where all the updatable components will be selected automatically and apply those updates without user intervention.
                #dsu --non-interactive

Category based installation
---------------------------
a) Listing supported categories
                #dsu --get-categories

b)Getting specific category updates
                #dsu --category=<CATEGORY1,CATEGORY2,...>

Getting the Upgradable updates only
-----------------------------------
		#dsu --apply-upgrades-only

Getting the Downgradable updates only
-------------------------------------
		#dsu --apply-downgrades-only

Getting the Equivalent updates only
-----------------------------------
		#dsu --apply-equivalent-updates

Applying the updates specified in the file list
-----------------------------------------------
		#dsu --update-list=<FILENAME1,FILENAME2,...>

Install OMSA
-------------
DSU supports upgrade of OMSA (srvadmin), where an OMSA version is already installed in the system. To install OMSA using this repository, Please use the following commands:

a) Red Hat Enterprise Linux Servers
                #yum install srvadmin-all

b) SUSE Linux Enterprise Servers
                #zypper install srvadmin-all

Notes
------
DSU uses xerces library for parsing XML. The xerces library license is carried in 'LICENSE-xerces.txt' file. Please obtain the latest xerces source from http://xerces.apache.org/

