[OBIEE 11g] NQCMD Log file location

Depends on where you install the OBIEE 11g, the log file location for NQCMD for Windows-based OBIEE 11g installation is here:
C:\Oracle\Middleware\instances\instance1\diagnostics\logs\OracleBIServerComponent\coreapplication_obis1

Change:
C:\ -> with your own drive
Oracle -> with your own OBIEE 11g folder
Middleware -> with your own Middleware folder

[Essbase 11g] Opening Essbase Administration Console Web Version

For Essbase version 11, to open Essbase Administration Console Web Version is by using the following link:

http://server:port/easconsole/console.html
Change the Server and Port to your configuration.

This is according to Oracle Documentation for Essbase below:
http://docs.oracle.com/cd/E26232_01/doc.11122/eas_help/frameset.htm?startascw.html

[OBIEE 11g] Minimum Hardware Requirement for OBIEE 11g (11.1.1)

According to Oracle documentation, on http://docs.oracle.com/html/E18558_01/fusion_requirements.htm#BGBBDBBH, here is the minimum requirement to run OBIEE 11g (11.1.1).

Installation System Requirements for Oracle Business Intelligence

Below are the recommended hardware and system configuration requirements for an Oracle Business Intelligence installation:

• Disk Space: 20GB or more
• Available Memory: 4GB or more for 32-bit operating systems, or 8GB or more for 64-bit operating systems
• Temp Space: 2GB or more
• Swap Space: 4GB or more for 32-bit operating systems, or 8GB or more for 64-bit operating systems

Database Requirements for Oracle Business Intelligence

Below are the recommended disk space requirements for the database containing the Oracle Business Intelligence Scheduler database tables.

• 500MB on Oracle and Microsoft SQL Server databases for standalone and Business Intelligence applications and deployments.
• 500MB on IBM DB2 databases for standalone deployments.