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Oracle Configuration.


JOB_QUEUE_PROCESSES specifies the maximum number of job slaves per instance that can be created for the execution of DBMS_JOB jobs
and Oracle Scheduler (DBMS_SCHEDULER) jobs. DBMS_JOB and Oracle Scheduler share the same job coordinator and job slaves,
and they are both controlled by the JOB_QUEUE_PROCESSES parameter.

If the value of JOB_QUEUE_PROCESSES is set to 0, then DBMS_JOB jobs and Oracle Scheduler jobs will not run on the instance.

156 - Check the number of processors

/proc/cpuinfo contains all of the processor information for all current processors in your computer. This will include the speed,
the amount of on-chip cache, processor type, and how many cores. You can check the number of processors following the command on Linux.

[root@myserver ~]# cat /proc/cpuinfo | grep processor | wc -l



153 - Resource temporarily unavailable, ORA-12541

You have Oracle WMS and using a lot of mobile devices, sometimes you got an error "ORA-12541" in Oracle DB
or "Resource temporarily unavailable" in Linux with default ulimit settings in Oracle Application EBS Manual.
You need to increase the ulimit settings in /etc/security/limits.conf as the followings.

[root@myserver]# su - oradba
su: cannot set user id: Resource temporarily unavailable

142 - CPUs for Oracle Database

11g database will try to use CPU_COUNT parameters for the number of CPUs are used in Oracle Database.

134 - Use SQLPLUS on Linux x86_64

If you want to use just SQLPLUS, you do not have to install Oracle Client Software.
It is gonna be very easy to use it.

1. Download an instant client

   Download Oracle Instant Client from http://www.oracle.com/technology/software/tech/oci/instantclient/htdocs/... Instant Client Package
   - "Basic" and "Instant Client Package"

   Like :

133 - Java Plugin for Firefox on Linux 64

The followings are what you need to do in order to have java in your Firefox on 64bit Linux.

1. Update: Use Firefox from your distro repository.

2. Download JRE 6uxx (latest version from SUN) and install Java to any desired folder.
    (Suggest : /usr/lib/jvm folder for Ubuntu users, this is where Ubuntu places Java by default)

3. Installation (LInux x64 RPM)

    * The downloaded file might be in your desktop folder.

130 - How to set favicon.ico in Oracle EBS Applications

You could see the following error message in the Apache log after Oracle EBS Application installation.

[Wed Dec 23 08:03:24 2009] [error] [client] [ecid: 1261584204:,0]
File does not exist: /d01/oracle/PROD/inst/apps/PROD_myserver/portal/favicon.ico

105 - CIFS mount for Windows File System

The Common Internet File System (CIFS) Protocol is a dialect of SMB. If you use this protocol,
you can get access to a file system on a windows system for Linux Environment.

1. Install Samba-client

    If you did not install samba-cleint, you need to do.

# yum install samba-client

2. Mount CIFS on a Linux Server.

104 - HP Printers Driver Set

Your Linux system already has the HPLIP software installed. That's because all major Linux distributions regularly pick up the HPLIP software
and include it with their distribution installation. However, if it is not installed or you need to upgrade to a newer HPLIP version to support your printer.

You can download the HPLIP software which supports 1,924 HP printers on nearly any Linux distribution available today.


1. Install all packages needed.

099 - How to connect MS-SQL 2008 Express Server from Linux

1. Install ODBC Driver (FreeTDS) packages.

Download URL: http://dag.wieers.com/rpm/packages/freetds/

If your server is Linux 64bit :

* freetds-0.64-1.el5.rf.x86_64.rpm
* freetds-devel-0.64-1.el5.rf.x86_64.rpm


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by Dr. Radut