Tuesday, May 1, 2012

Install 32 bit Oracle instant client on linux

We had an Application that needed an Oracle 11 client 32 bits.
There is default no lib32 directory in the Oracle 11 client
But what if you need an 32 bit client

Well then you’ve got to use the oracle instant client.

First make a lib32 directory in the the existing oracle 11 client
Our 11g client is installed in

$ cd /usr/lib/oracle/client11
$ mkdir lib32
$ chmod 2755 (don’t forget)

$ ls –al lib32
drwxr-sr-x    2 oracle   oradba          512 Oct 26 15:34 lib32

copy the instant client  basic-
to the lib32 directory and unzip it

in the .profile for applicatie user op Linux you put the following.

export ORACLE_HOME=/usr/lib/oracle/client11
Export LIBPATH=/usr/lib/oracle/client11/lib32:$LIBPATH

That’s it or not

On red hat linux you must not forget to roll out the 32 bit library’s
Under root use the following command to do that

$ sudo yum install libaio.i686

And then the 32 bits application works

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