Linux installation prerequisites, Related reference

When db2schex.exe completes, you can proceed with the installation of your

DB2 product.

Related reference:

v“Installation requirements for DB2 clients and servers (Windows)” on page 5

v“CATALOG LDAP DATABASE command” in Command Reference

v“REGISTER command” in Command Reference

Linux installation prerequisites

For the most up-to-date prerequisite information, see http://www.ibm.com/ software/data/db2/udb/sysreqs.html.

For the latest information on supported Linux distributions, point your browser to http://www.ibm.com/db2/linux/validate.

The supported operating systems for Linux include:

vRed Hat Enterprise Linux 4 (RHEL4) Update 2

vSUSE Linux Enterprise Server 9 (SLES9) Service Pack 2

To install a DB2 client or server product, the following distribution requirements, hardware, and communications prerequisites must be met:

Table 2. Linux prerequisites

	Distribution Requirements	Hardware

	You should update your kernel configuration parameters	DB2 server products are supported on:
	in preparation for your Linux distribution. The default	v x86 (Intel Pentium®, Intel Xeon®, and AMD Athlon)
	values for particular kernel parameters are not sufficient	v x86–64 (Intel EM64T and AMD64)
	when running a DB2 database system.	v x86–64 (Intel EM64T and AMD64)
	when running a DB2 database system.	v IA64 (Intel Itanium® 2 or higher)
	You may also have other products or applications that	v IA64 (Intel Itanium® 2 or higher)
	You may also have other products or applications that	v POWER™ (any iSeries™ or pSeries® that support Linux)
	require Linux system resources. You should set the	v (Server only)eServer zSeries®.
	kernel configuration parameters based on the needs of	v (Server only)eServer zSeries®.
	kernel configuration parameters based on the needs of	– The Database Partitioning Feature (DPF) is not
	your Linux system working environment.	– The Database Partitioning Feature (DPF) is not
		supported.
	The kernel configuration parameters are set in	v (Client only)64-bit zSeries or System z9™ boxes.
	/etc/sysctl.conf. See the Modifying kernel parameters
	(Linux) section of the DB2 Information Center.
	Refer to your operating system manual for information
	on setting and activating these parameters using the
	sysctl command.

The following tables list the package requirements for SUSE Linux and Red Hat distributions for DB2 Version 9 partitioned servers.

vThe pdksh Korn Shell package is required for all DB2 systems.

vA remote shell utility is required for partitioned database systems. DB2 supports the following remote shell utilities:

–rsh

–ssh

Chapter 1. Installation prerequisites 11