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March 2013
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CentOS Minimal Install

CentOS 6

In this section, the GNOME desktop will be added to a new server running CentOS 6.2 (x86_64) after performing a “Minimal” install.

Install Desktop Packages # yum -y groupinstall “Desktop” “Desktop Platform” “X Window System” “Fonts”

You can also install the following optional GUI packages.

# yum -y groupinstall “Graphical Administration Tools” # […]

Errors SQL22212N or DBA1177N with DB2 Control Center

Technote (troubleshooting) Problem(Abstract)

DBA1177N and SQL22212N occur when attempting to connect to an instance from the DB2 Control Center

Cause

The DBA1177N message will appear under one of the following conditions:

1. The Tools Catalog Database has not been created.2. The DAS configuration parameters have not been updated.3. The connection failed (SQL22212N) to the Tools […]

DB2 Commands

Start an instance

As an instance owner on the host running db2, issue the following command

$ db2start

Stopping the instance

$ db2stop

Connect to the database as instance owner

$ db2

as a user of the database:

$source ~instance/sqllib/db2cshrc (csh users)

$ . ~instance/sqllib/db2profile (sh users)

$ db2 connect to databasename

[…]