The latest certification information for Oracle E-Business Suite  Release   12 is available on My Oracle Support's Certification tab:  
http://support.oracle.com 
Operating Systems Requirements
Oracle E-Business Suite  R12 is supported on  Linux 64-bit operating systems   running on the x86-64 hardware architecture.
Operating System Supported Versions
The following table lists the supported operating system versions.
| Operating System Name | Supported Version | 
|---|
| Oracle Linux | 5 - Update 5 or higher (64-bit) | 
| Oracle Linux | 6 - Update 1 or higher (64-bit) | 
| Oracle Linux | 7 - Update 0 or higher (64-bit) | 
| Red Hat Enterprise Linux | 5 - Update 5 or higher (64-bit) | 
| Red Hat Enterprise Linux | 6 - Update 1 or higher (64-bit) | 
| Red Hat Enterprise Linux | 7 - Update 0 or higher (64-bit) | 
| SUSE Linux Enterprise Server | 10 - SP2 or higher (64-bit) | 
| SUSE Linux Enterprise Server | 11 - SP2 or higher (64-bit) | 
Kernel Requirements
The following table lists the required minimum kernel versions (to determine version, enter: $ uname -r): 
| Operating System | Kernel | 
|---|
| Oracle Linux 5 | 2.6.18-194.0.0.0.3.EL51 | 
| Oracle Linux 6 | 2.6.32-131.0.15.el6, 2.6.32-100.34.1.el6uek2 | 
| Oracle Linux 7 | 3.10.0-123.el7, 3.8.13-35.3.1.el7uek3 | 
| Red Hat Enterprise Linux AS/ES 5 | 2.6.18-194.0.0.0.3.EL51 | 
| Red Hat Enterprise  Linux 6 | 2.6.32-131.0.15.el6, 2.6.32-100.34.1.el6uek2 | 
| Red Hat Enterprise  Linux 7 | 3.10.0-123.el7, 3.8.13-35.3.1.el7uek3 | 
| SUSE Linux Enterprise Server 10 | 2.6.16.60-0.21 | 
| SUSE Linux Enterprise Server 11 | 3.0.13-0.27-default | 
1: The Oracle Unbreakable Enterprise Kernel (UEK)  is certified as well as the Red Hat default kernel (2.6.18). The use of the UEK R1 (2.6.32) is certified on Oracle/Red Hat Linux 5 Update 5 (5.5) or later and UEK R2 (2.6.39) on Oracle 5 Update 8 (5.8) or later. 
2: The Oracle Unbreakable Enterprise Kernel (UEK R1) and the Red Hat default kernel (2.6.32-131) are certified. The use of the UEK R2 (2.6.39) is  certified on Oracle Linux 6 Update 2 (6.2) or later. The use of the UEK R3 (3.8.13) is certified on Oracle Linux 6 Update 4 (6.4) or later. 
3: The Oracle Unbreakable Enterprise Kernel (UEK R3) and the Red Hat default kernel (3.10) are certified. 
Required Packages
The following table lists the required packages and the minimum   required versions for Linux (64-bit).
| Additional Information: Refer to your vendor's operating system installation manual or the operating system media for information on obtaining and applying packages. | 
The existence of rpms can be checked on Linux with the following command (using libgcc as an example):
$ rpm -qa --qf "%{n}-%{v}-%{r}.%{arch}\n" | grep libgcc
 
| Operating System | Required Packages (min versions) | 
|---|
| Oracle Linux 7* Red Hat Enterprise Linux 7*
 | GA (7.0) or higher of Oracle Linux 7 is required GA (7.0) or higher of Red Hat Enterprise Linux (RHEL) 7 is required
 The following packages (or versions of packages) which are not part of the OS distribution media  must be downloaded separately (from http://oss.oracle.com/projects/compat-oracle/files/Enterprise_Linux/) for  both Oracle Linux 7 and RHEL 7 and installed manually on the application tier:
 
 
Additionally, the following rpm needs to be installed from the Oracle Linux  7 or RHEL 7 distribution media on the application tier:compat-libstdc++-296-2.96-144.0.2.el7.i686openmotif21-2.1.30-11.EL7.i686 (32-bit)1xorg-x11-libs-compat-6.8.2-1.EL.33.0.1.i386 (32-bit)  
 
The following packages must be installed from  the Oracle Linux  7 or RHEL 7 distribution media on both the application and database tiers:libXrender-0.9.8-2.1.el7.i686perl-File-CheckTree-4.42-3.el7.noarch 
 
Additionally, the following RPMs are required for the database tier (running Oracle Database 11gR2 or higher):binutils-2.23.52.0.1-16.el7.x86_64compat-libstdc++-33-3.2.3-71.el7.i686gcc-4.8.2-16.el7.x86_64gcc-c++-4.8.2-16.el7.x86_64gdbm-1.10-8.el7.i686gdbm-1.10-8.el7.x86_64glibc-2.17-55.el7.i686 (32-bit)glibc-2.17-55.el7.x86_64glibc-common-2.17-55.el7.x86_64glibc-devel-2.17-55.el7.i686 (32-bit)glibc-devel-2.17-55.el7.x86_64libgcc-4.8.2-16.el7.i686libgcc-4.8.2-16.el7.x86_64libstdc++-devel-4.8.2-16.el7.i686libstdc++-devel-4.8.2-16.el7.x86_64libstdc++-4.8.2-16.el7.i686libstdc++-4.8.2-16.el7.x86_64libXi-1.7.2-2.1.el7.i686libXp-1.0.2-2.1.el7.i686libXp-1.0.2-2.1.el7.x86_64libXtst-1.2.2-2.1.el7.i686libaio-0.3.109-12.el7.i686libaio-0.3.109-12.el7.x86_64libgomp-4.8.2-16.el7.x86_64make-3.82-21.el7.x86_64redhat-lsb-4.1-24.0.1.el7.x86_64sysstat-10.1.5-4.el7.x86_64util-linux-2.23.2-16.el7.x86_64 
 
Note:compat-libcap1-1.10-7.el7.x86_64compat-libstdc++-33-3.2.3-71.el7.x86_64elfutils-libelf-devel-0.158-3.el7.x86_64libaio-devel-0.3.109-12.el7.i686libaio-devel-0.3.109-12.el7.x86_64unixODBC-2.3.1-10.el7.i686unixODBC-devel-2.3.1-10.el7.i686xorg-x11-utils-7.5-13.1.el7.x86_64 
 
1: The  openmotif package version  must be  2.1.30 (for example, openmotif-2.3.3-1 is not supported).  | 
| Oracle Linux 6* Red Hat Enterprise Linux 6*
 | GA (6.1) or higher of Oracle Linux 6 is required GA (6.1) or higher of Red Hat Enterprise Linux (RHEL) 6 is required
 
 
If not using the pre-install rpm, the following packages (or versions of packages) which are not part of the OS distribution media  must be downloaded separately (from http://oss.oracle.com/projects/compat-oracle/files/Enterprise_Linux/) for  both Oracle Linux 6 and RHEL 6 and installed manually on the application tier:| Note: Oracle has released an E-Business Suite Pre-Install RPM (available on ULN and public yum) that includes all required rpms for both the application and database tiers of an R12 installation - please see the 'E-Business Suite Pre-Install RPM' section below for more details. |  
 
Additionally, the following rpm needs to be installed from the Oracle Linux 6 or RHEL 6 distribution media on the application tier:openmotif21-2.1.30-11.EL6.i686 (32-bit)1xorg-x11-libs-compat-6.8.2-1.EL.33.0.1.i386 (32-bit)  
 
If not using the pre-install rpm, the following packages must be installed from  the Oracle Linux  6 or RHEL 6 distribution media on both the application and database tiers:libXrender-0.9.5-1.el6.i686 
 
Additionally, the following RPMs are required for the database tier (running Oracle Database 11gR2):binutils-2.20.51.0.2-5.20.el6.x86_64compat-libstdc++-296-2.96-144.el6.i686compat-libstdc++-33-3.2.3-69.el6.i686gcc-4.4.5-6.el6.x86_64gcc-c++-4.4.5-6.el6.x86_64glibc-2.12-1.7.el6.i686 (32-bit)glibc-2.12-1.7.el6.x86_64 glibc-common-2.12-1.7.el6.x86_64glibc-devel-2.12-1.7.el6.i686 (32-bit)glibc-devel-2.12-1.7.el6.x86_64 libgcc-4.4.4-13.el6.i686libgcc-4.4.4-13.el6.x86_64libstdc++-devel-4.4.4-13.el6.i686libstdc++-devel-4.4.4-13.el6.x86_64libstdc++-4.4.4-13.el6.i686libstdc++-4.4.4-13.el6.x86_64libXi-1.3-3.el6.i686libXp-1.0.0-15.1.el6.i686libXp-1.0.0-15.1.el6.x86_64libXtst-1.0.99.2-3.el6.i686libaio-0.3.107-10.el6.i686libaio-0.3.107-10.el6.x86_64libgomp-4.4.4-13.el6.x86_64make-3.81-19.el6.x86_64gdbm-1.8.0-36.el6.i686gdbm-1.8.0-36.el6.x86_64redhat-lsb-4.0-3.0.1.el6.x86_64sysstat-9.0.4-11.el6.x86_64util-linux-ng-2.17.2-6.el6.x86_64 
 
Alternatively on the database tier, users can install the following pre-install rpm (available via ULN on http://linux.oracle.com or the Oracle Public yum repository on http://public-yum.oracle.com) :compat-libcap1-1.10-1.x86_64compat-libstdc++-33-3.2.3-69.el6.x86_64elfutils-libelf-devel-0.148.1-el6.x86_64libaio-devel-0.3.107-10.el6.i686libaio-devel-0.3.107-10.el6.x86_64unixODBC-2.2.14-11.el6.i686unixODBC-devel-2.2.14-11.el6.i686xorg-x11-utils-7.4-8.el6.x86_64  
 
The E-Business Suite Pre-Install RPM includes all the above required rpms and dependencies for running the application and database tiers - see the 'E-Business Suite Pre-Install RPM' section below for more details.oracle-rdbms-server-11gR2-preinstall.x86_64 Note:
 
 
1: The  openmotif package version  must be  2.1.30 (for example, openmotif-2.3.3-1 is not supported).  | 
| Oracle Linux 5* Red Hat Enterprise Linux 5* (base and Advanced Platform)
 | Update 5 (5.5) or higher of Oracle Linux 5 is required Update 5 (5.5) or higher of Red Hat Enterprise Linux (RHEL) 5 is required
 
 
If not using the pre-install rpm, the following packages (or versions of packages) are not part of the OS distribution media and must be downloaded separately (from http://oss.oracle.com/projects/compat-oracle/files/Enterprise_Linux/ for both Oracle Linux 5 and RHEL 5) and installed manually on the application tier:| Note: Oracle has released an E-Business Suite Pre-Install RPM (available on ULN and public yum) that includes all required rpms for both the application and database tiers of an R12 installation - please see the 'E-Business Suite Pre-Install RPM' section below for more details. |  
 
Additionally, the following rpm needs to be installed from the Oracle Linux 5 or RHEL 5 distribution media on the application tier:openmotif21-2.1.30-11.EL5.i3861xorg-x11-libs-compat-6.8.2-1.EL.33.0.1.i386 
 
If not using the pre-install rpm, the following packages must be installed from  the Oracle Linux  5 or RHEL 5 distribution media on both application and database tiers:libXrender-0.9.1-3.1.i386 
 
Additionally, the following RPMs are required for the database tier (running Oracle Database 11gR2):compat-libstdc++-296-2.96-138.i386compat-libstdc++-33-3.2.3-61.i386gcc-4.1.2-48.el5.x86_64gcc-c++-4.1.2-48.el5.x86_64glibc-2.5-49.i686 (32-bit)glibc-2.5-49.x86_64 glibc-common-2.5-49.x86_64glibc-devel-2.5-49.i386 (32-bit)glibc-devel-2.5-49.x86_64 libgcc-4.1.2-48.el5.i386libgcc-4.1.2-48.el5.x86_64libstdc++-devel-4.1.2-48.el5.i386libstdc++-devel-4.1.2-48.el5.x86_64libstdc++-4.1.2-48.el5.i386libstdc++-4.1.2-48.el5.x86_64libXi-1.0.1-4.el5_4.i386libXp-1.0.0-8.1.el5.i386libXp-1.0.0-8.1.el5.x86_64libXtst-1.0.1-3.1.i386libaio-0.3.106-5.i386libaio-0.3.106-5.x86_64libgomp-4.4.0-6.el5.x86_64 make-3.81-3.el5.x86_64gdbm-1.8.0-26.2.1.i386gdbm-1.8.0-26.2.1.x86_64redhat-lsb-3.1-12.3.EL.0.2.x86_64sysstat-7.0.2-3.el5.x86_64util-linux-2.13-0.52.el5_4.1.x86_64 
 
Alternatively on the database tier, users can install the following rpm (available via ULN on http://linux.oracle.com or the Oracle Public yum repository on http://public-yum.oracle.com) :compat-libstdc++-33-3.2.3-61.x86_64elfutils-libelf-0.137-3.el5.x86_64elfutils-libelf-devel-0.137-3.el5.x86_64elfutils-libelf-devel-static-0.137-3.el5.x86_64libaio-devel-0.3.106-5.i386libaio-devel-0.3.106-5.x86_64unixODBC-2.2.11-7.1.i386unixODBC-devel-2.2.11-7.1.i386 
 
The E-Business Suite Pre-Install RPM includes all the above required rpms and dependencies for running the application and database tiers - see the 'E-Business Suite Pre-Install RPM' section below for more details.oracle-validated-1.1.0-15.el5.x86_64 Note:
 
 
1: The  openmotif package version  must be  2.1.30 (for example, openmotif-2.2.3-10.RHEL4.5 is not supported).2: This GNU linker (ld) version 2.17 provided by Oracle is required for  relinking the modules in Advanced Planning & Scheduling (MSC, MSO,  MSR)  and Profitability Manager (FEMCCE)
 | 
| SUSE Linux Enterprise Server 11 | SLES 11 Service Pack 2 (11.2) or higher is required. The following rpms (suffix .x86_64.rpm) packages must be installed from  the SLES 11 distribution media on both the application and database tiers: 
 
Additionally, the following RPMs are required for the database tier (running Oracle Database 11gR2):binutils-2.21.1-0.7.25compat-32bit-2009.1.19-2.11libstdc++33-3.3.3-11.9libstdc++33-32bit-3.3.3-11.9db1-32bit-1.85-225.22gcc-4.3-62.198gcc-c++-4.3-62.198glibc-2.11.3-17.31.1glibc-32bit-2.11.3-17.31.1glibc-devel-2.11.3-17.31.1glibc-devel-32bit-2.11.3-17.31.1krb5-1.6.3-133.48.48.1libaio-0.3.109-0.1.46libaio-32bit-0.3.109-0.1.46libcom_err2-1.41.9-2.7.1libgcc46-4.6.1_20110701-0.13.9libgcc_s1-4.7.2_20130108-0.15.452libgcc_s1-32bit-4.7.2_20130108-0.15.452libstdc++-devel-4.3-62.198make-3.81-128.20openmotif21-libs-32bit-2.1.30MLI4-0.1.1util-linux-2.19.1-6.29.3 
 
Note:ksh-93u-0.6.1libstdc++46-4.6.1_20110701-0.13.9libstdc++46-32bit-4.6.1_20110701-0.13.9libstdc++43-devel-4.3.4_20091019-0.22.17libstdc++43-devel-32bit-4.3.4_20091019-0.22.17libgcc46-4.6.1_20110701-0.13.9sysstat-8.1.5-7.32.1libaio-devel-0.3.109-0.1.46libaio-devel-32bit-0.3.109-0.1.46 
 
1: This package will need to be downloaded from the  ftp site (via the SLES11 Extra channel program): http://ftp.suse.com/pub/partners/oracle/EBSR12/rpms2: This package is only  for SLES 11 SP3 (11.3) or higher
 
 | 
| SUSE Linux Enterprise Server 10 | SLES 10 Service Pack 2 (10.2) or higher is required. The following rpms (suffix .x86_64.rpm) packages must be installed from  the SLES 10 distribution media: 
 
Additionally, the following RPMs are required for the database tier (running Oracle Database 11gR2):binutils-2.16.91.0.5-23.31binutils-32bit-2.16.91.0.5-23.31compat-2006.1.25-11.2compat-32bit-2006.1.25-11.2compat-libstdc++-5.0.7-22.21db1-32bit-1.85-101.2gcc-4.1.2_20070115-0.21gcc-c++-4.1.2_20070115-0.21glibc-2.4-31.54glibc-32bit-2.4-31.54glibc-devel-2.4-31.54glibc-devel-32bit-2.4-31.54krb5-1.4.3-19.34 libaio-0.3.104-14.2 libaio-32bit-0.3.104-14.2libcom_err-1.38-25.30libgcc-4.1.2_20070115-0.21libstdc++33-3.3.32libstdc++33-32bit-3.3.32libstdc++-4.1.2_20070115-0.21libstdc++-devel-4.1.2_20070115-0.21linux32-1.0-349.2 make-3.80-202.2 openmotif21-libs-32bit-2.1.30MLI4-143.2 
 
Note:ksh-93s-59.7libaio-devel-0.3.104-14.2libaio-devel-32bit-0.3.104-14.2libelf-0.8.5-47.2numactl-0.9.6-3.23sysstat-8.0.4-1.4 
 
1: SP2 (10.2) only. Starting in SP3, the compat-libstdc++-5.0.7 package has been replaced by libstdc++33-3.3.3 and libstdc++33-32bit-3.3.3 2: SLES 10 SP3 (10.3) and higher only
 | 
| Footnotes:          *After installing these patches, run the command "ldconfig -v"  to create necessary links and cache to the most recent shared libraries. After running "ldconfig -v",  re-create (as root) all symbolic links pointing to system libraries that may have been done manually. **The openmotif           version must be 2.1.30, and the package name must be in the following           format: openmotif21-2.1.30.xxx. For example, openmotif-2.2.3.10.RHEL4.5           is not supported.
 | 
Linux Containers  (LXC) 
Linux Containers (LXC) is a lightweight virtualization solution that enables  running multiple Linux instances that are isolated from each other on the same host. These LXC instances have processes that have their own private view of the OS with its own process id (PID) space, file system structure and network interfaces. LXC allows the use of container OS versions that are different from that of the host - for example, one can run OL 5, 6 or 7 Containers in an Oracle Linux 6.6 host. 
Oracle E-Business Suite 12.2's application tier is certified with LXC with the UEK R3 (QU6 or higher) - users must review associated documentation and meet  the  following requirements:
- Operating Systems requirements - see 'Supported Oracle Linux Container Versions' in the Documentation References section below
- Kernel Requirements - Unbreakable  Enterprise Kernel (UEK) Release 3 Quarterly Update 6 (3.8.13-98) or higher
- Host RPM  requirements for the following x86_64 lxc userspace packages:     
- lxc-1.0.7-2.0.8 or higher 
- lxc-libs-1.0.7-2.0.8 or higher 
 
- Check and configure kernel parameters, ulimit settings (in limits.conf) and swap size requirements on the host as documented in the 'Other Requirements' section of this document
- The LXC container running 12.2 must be created with the "--privileged" flag
- Install all required RPM packages on the Container following the 'Operating Systems Requirements' section of this document 
- Check and configure certain container-specific kernel parameters and ulimit settings (in limits.conf) on the Container as documented in the 'Other Requirements' section of this document. These values should be equal to or less than the values set on the host (see Linux documentation in the section below). Specific kernel parameter values to be configured on the Container are:     
- kernel.sem
- kernel.shmall
- kernel.shmmax
- kernel.shmmni
- kernel.msgmax
- kernel.msgmnb
- kernel.msgmni 
 
Linux Containers Documentation References:
Oracle Linux 6: 
Oracle Linux Administrator's Solutions Guide for Release 6
 
SELinux (Security Enhanced Linux) 
SELinux   is a security enhancement to Linux allowing system administrators finer control over access to system resources by users and applications.
Starting with Red Hat Enterprise Linux and Oracle Linux version 6, SELinux is enabled by default during OS installation with a mode of 'enforcing'. The status of SELinux in a system can be checked by running the 'sestatus' command - other modes are 'disabled' where SELinux is disabled completely, and 'permissive' where warnings are logged to a file but is not strictly enfored. The file /etc/selinux/config is the main SELinux configuration file that sets the mode and policy of SELinux in a system, while warnings are logged to /var/log/messages. Please check and review vendor-specific documentation for further details on SELinux administration and maintenance. 
Release 12.2 has not yet been fully tested or certified with SELinux on RHEL/Oracle Linux 6 or higher with the use of the 'enforcing' mode enabled. Users may find issues currently with the 'enforcing' mode with 12.2 - the use of the  'permissive' mode should be used as an alternative. 
Java Requirements
A number of Java Development Kits (JDK) and Java Runtime Environments (JRE) are included with Oracle E-Business Suite version 12.2, the associated Oracle Database (11gR2), and the bundled Application Server components (
10gR2 Forms/Reports, WebLogic Server 11gR1).
 The E-Business Suite's  use of the Java runtime environment for application tier (WLS) processing is with  JDK  version 6 bundled in the "<FMW_HOME>/jrockit64" directory for startCD 46 and JDK version 7 in "<COMMON_TOP>/util/jdk64" for startCD 47 and higher. 
For more information regarding the use of Java, refer to My Oracle Support Knowledge Document 1530033.1, Using the                          Latest JDK 7.0 Update with Oracle E-Business                          Suite Release 12.2. 
The full list of Java versions on the application and database tiers that come with 12.2 are as follows:
| Application Tier Location | StartCD Version 12.2.0.46 | StartCD Version 12.2.0.47 and higher | 
|---|
| 
<AS 10.1.2 Oracle Home>/jdk | 
1.6.0_31 (32-bit) | 
1.7.0_25 (32-bit) | 
| 
<FMW_HOME>/jrockit32 | 
1.6.0_29 (32-bit)  | 
N/A | 
| 
<FMW_HOME>/jrockit64 | 
1.6.0_29 (64-bit)  | 
N/A | 
| 
<COMMON_TOP>/util/jdk32 | 
N/A | 
1.7.0_25 (32-bit) | 
| 
<COMMON_TOP>/util/jdk64 | 
N/A | 
1.7.0_25 (64-bit) | 
| 
<FMW_HOME>/webtier/jdk | 
1.6.0_29 (64-bit)  | 
1.6.0_29 (64-bit) | 
| Database Tier Location | StartCD Version 12.2.0.46 | StartCD Version 12.2.0.47 and higher | 
|---|
| 
<11gR2 Oracle Home>/jdk | 
1.5.0_30 (64-bit)  | 
1.5.0_30 (64-bit) | 
| 
<11gR2 Oracle Home>/appsutil/jre | 
1.6.0_17 (64-bit)  | 
1.7.0_17 (64-bit) | 
| Additional Information: Check the Oracle Java website for         any updates to the JDK requirements for Linux x86-64 (64-bit):          http://www.oracle.com/technetwork/java/javase/overview/index.html and review the need to upgrade the above listed Java versions for particular Linux x86-64 systems if necessary. Please review the My Oracle Support Note 418664.1 ('Overview of Using Java with Oracle E-Business Suite Release 12') for requirements and instructions.
 | 
| Note: Oracle Linux and Red Hat Enterprise Linux 7 users should upgrade their JDK versions to officially certified versions (1.7.0_67 or higher).        Customers are advised to review and follow the instructions posted in the documents below to upgrade to the latest available JDK versions either prior to a clone or after a fresh install: 
 | 
Software Requirements
The following maintenance tools must be installed on all machines,   and their locations specified both in the PATH of the account that runs Rapid   Install and in the PATH of the accounts that will own the database tier and   application tier file systems.
-  ar 
-  gcc 
-  g++ 
- ksh
-  ld 
- linux32
-  make 
-  X Display Server 
Other Requirements
The following are other requirements for Linux x86-64 (64-bit).
Swap Space
It is recommended that the swap space on the system be 16 GB or more. To determine the size of the configured swap space, enter the following command:
If necessary, see the operating system documentation for information about how to configure additional swap space.
 
Patching Oracle E-Business Suite 
| Note: When querying for Oracle E-Business Suite  Release 12 patches on My Oracle Support and selecting Linux x86-64 in the Platform dropdown list,  it will re-direct you to a Linux x86 patch. This patch may be applied to 64-bit Linux operating systems. | 
Patching Fusion Middleware in Oracle E-Business Suite 
When applying OPatch patches to Fusion Middleware, users must run opatch with the '-jdk <
$FMW_HOME/webtier/jdk>' option due to a bug with opatch. For example,
Kernel Settings
Edit the /etc/sysctl.conf file to configure your kernel settings to the minimum values shown below. After editing the file, use the "sysctl -p" command or restart the system to invoke the new settings.
| Note: If the current value for any parameter is higher         than the value listed in the following table, then do not change the value         of that parameter. | 
The following table lists the kernel settings that should be set for the OS: 
| Parameter | Value | 
|---|
| kernel.semmsl | 2561 | 
| kernel.semmns | 320001 | 
| kernel.semopm | 1001 | 
| kernel.semmni | 1421 | 
| kernel.shmall | 20971524 | 
| kernel.shmmax | Half the size of the physical memory (in bytes), and at least 42949672952 | 
| kernel.shmmni | 4096 | 
| kernel.msgmax | 8192 | 
| kernel.msgmnb | 65535 | 
| kernel.msgmni | 2878 | 
| fs.file-max | 6815744 | 
| fs.aio-max-nr | 1048576 | 
| net.ipv4.ip_local_port_range | 9000 655003 | 
| net.ipv4.tcp_tw_recycle | 05 | 
| net.core.rmem_default | 262144 | 
| net.core.rmem_max | 4194304 | 
| net.core.wmem_default | 262144 | 
| net.core.wmem_max | 1048576 | 
1: set using the following entry in the /etc/sysctl.conf file
kernel.sem = 256 32000 100 142
 
2: If running the database tier separately, the kernel parameter on the server hosting the Database must be the higher of  half the size of the physical memory (in bytes) and 4294967295
3: The values recommended for the local port range may need to be adjusted according to the specific needs of the user's environment in order to avoid port conflicts. 
4: The listed value is the minimum requirement - we recommend an actual setting that is at least equal to the sum of all the SGAs on the system, divided by the page size.
5: The value of this parameter is recommended to be 0 (disabled, which is the default value) for most modern systems. This parameter can also be omitted from the sysctl.conf file for this default value to be in effect. This resolves an issue previously documented with Forms potentially hanging on Windows  when switching between desktop applications. 
On SUSE Linux Enterprise Server version 10 and 11, ensure that you set the following  kernel parameter to the gid of the group used as the dba group. For example, on a system using a group named dba with the dba:!:104:oracle entry in the /etc/group file, the hugetlb_shm_group kernel parameter should be set to the following value:
vm.hugetlb_shm_group = 104
 
Domain Name System (DNS) Resolver Parameters
Two Domain Name System (DNS) resolver parameters (timeout and attempts) are set by default to low values when the operating system is installed. These low values may cause  network connections to an Oracle database to fail. If this happens, add or update the following entries to these minimum settings in the /etc/resolv.conf file on each server node:
options attempts:5
options timeout:15
 
Verifying Host Names
Use the following to verify host name settings:
For Oracle Linux 5, 6 and 7, and Red Hat Enterprise Linux   5, 6 and 7:
- 
Verify that the /etc/hosts file is formatted as follows: - 
- 127.0.0.1 localhost.localdomain localhost
[ip_address] [node_name].[domain_name] [node_name]
 
 
- Verify that the /etc/sysconfig/network file is formatted as follows: 
HOSTNAME=[node_name].[domain_name] 
 
 or as follows:
 
HOSTNAME=[node_name]
NISDOMAIN=[domain_name] 
 
- If the /etc/sysconfig/networking/profiles/default/network file exists, remove it.
 
- If you changed any files in the previous steps, restart the system.
For SUSE Linux SLES 10 and 11:
- 
Verify that the /etc/hosts file is formatted as follows:  - 
- 127.0.0.1 localhost.localdomain localhost
[ip_address] [node_name].[domain_name] [node_name]
 
 
- If you changed any files in the previous step, restart the system.
Modify ulimit settings in limits.conf 
Open the /etc/security/limits.conf file and change the existing   ulimit settings for "hard" and "soft" parameters as follows. Restart   the system after making changes.
| Note: If the current value for any parameter is higher         than the value listed below, do not change the value of         that parameter as the following are suggested minimum values. | 
  * hard nofile 65536
  * soft nofile 4096
  * hard nproc 16384
  * soft nproc 2047
  * hard stack 16384
  * soft stack 10240
 
Threading Model in Linux must be NPTL 
 
There are two threading models implemented in Linux - LinuxThreads (an older implementation which is not supported starting in glibc 2.4) and the modern NPTL (Native POSIX Threads Library). In order to install and run the E-Business Suite on Linux, the NPTL model must be the configured threading implementation for the operating system. This can be checked with the command: 
# getconf GNU_LIBPTHREAD_VERSION
NPTL 2.3.4
 
 
E-Business Suite Pre-Install RPM (available for Oracle Linux 5 and 6) 
The package (oracle-ebs-server-R12-preinstall) for Oracle Linux 5 and 6 is available  on the 
Oracle Unbreakable Linux Network (ULN, which requires a support contract) or from the 
Oracle public yum repository for both Oracle Linux 5 and 6. It is recommended that this rpm be installed on top of a 'minimal' install of Linux to provide just the necessary packages to install and run Oracle E-Business Suite. 
As with the Oracle RDBMS Pre-Install RPMs, this package installs all required E-Business Suite RPM packages for both the application and database tiers while configuring the environments with particular kernel and other values to meet most of the requirements published in this document. 
This pre-install rpm will significantly reduce the preparation time of the environment prior to installing, upgrading or cloning an                              E-Business Suite R12 instance by performing the following tasks:
- downloading and installing all software package versions and dependencies required for installing E-Business Suite R12
- creating the users oracle and applmgr for use as owners of the database and application tiers respectively, while setting hard and soft shell resource limits in /etc/security/limits.conf for Oracle Linux 5 and in /etc/security/limits.d/oracle-ebs-server-R12-preinstall.conf for Oracle Linux 6
- updating kernel parameters in /etc/sysctl.conf to recommended values 
- sets DNS resolver parameters in /etc/resolv.conf to minimum recommended values
- sets 'numa=off' in the kernel commandline
- disables 'Transparent Huge Pages (THP)' for Oracle Linux 6 if it is enabled 
The following are steps needed to install the rpm using public-yum, with sample output from an Oracle Linux 6 installation:
1. As an authorized user (such as root), retrieve the file that configures repository locations:
# cd /etc/yum.repos.d
# wget http://public-yum.oracle.com/public-yum-ol6.repo
 
For Oracle Linux 5, users should replace 'public-yum-ol6.repo' with 'public-yum-el5.repo' above. 
2. Using a text editor, change the field 'enabled=0' to 'enabled=1' for the repositories corresponding to the machine's operating system while also enabling the 'addons' channel. Here's an example of a repo file's entries: 
[ol6_latest]
name=Oracle Linux $releasever Latest ($basearch)
baseurl=http://public-yum.oracle.com/repo/OracleLinux/OL6/latest/$basearch/
gpgkey=http://public-yum.oracle.com/RPM-GPG-KEY-oracle-ol6
gpgcheck=1
enabled=1
[ol6_addons]
name=Oracle Linux $releasever Add ons ($basearch)
baseurl=http://public-yum.oracle.com/repo/OracleLinux/OL6/addons/$basearch/
gpgkey=http://public-yum.oracle.com/RPM-GPG-KEY-oracle-ol6
gpgcheck=1
enabled=1
[ol6_UEK_latest]
name=Latest Unbreakable Enterprise Kernel for Oracle Linux $releasever ($basearch)
baseurl=http://public-yum.oracle.com/repo/OracleLinux/OL6/UEK/latest/$basearch/
gpgkey=http://public-yum.oracle.com/RPM-GPG-KEY-oracle-ol6
gpgcheck=1
enabled=1
 
 
3. Install the rpm for Oracle E-Business Suite by running yum:
# yum install oracle-ebs-server-R12-preinstall 
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package oracle-ebs-server-R12-preinstall.x86_64 0:1.0-3.el6 will be installed
--> Processing Dependency: libstdc++-devel for package: oracle-ebs-server-R12-preinstall-1.0-3.el6.x86_64
--> Processing Dependency: libXp(x86-32) for package: oracle-ebs-server-R12-preinstall-1.0-3.el6.x86_64
..
..
Transaction Summary
================================================================================
Install     176 Package(s)
Upgrade      11 Package(s)
Total download size: 168 M
Is this ok [y/N]: y
Downloading Packages:
..
..
Dependency Updated:
  db4.x86_64 0:4.7.25-18.el6_4                                                  
  db4-utils.x86_64 0:4.7.25-18.el6_4                                            
  glib2.x86_64 0:2.26.1-3.el6                                                   
  glibc.x86_64 0:2.12-1.132.el6                                                 
  glibc-common.x86_64 0:2.12-1.132.el6                                          
  libblkid.x86_64 0:2.17.2-12.14.el6                                            
  libgcc.x86_64 0:4.4.7-4.el6                                                   
  libstdc++.x86_64 0:4.4.7-4.el6                                                
  libuuid.x86_64 0:2.17.2-12.14.el6                                             
  nss-softokn-freebl.x86_64 0:3.14.3-9.el6                                      
  util-linux-ng.x86_64 0:2.17.2-12.14.el6                                       
Complete!
  
 
Detailed log and backup files are available under /var/log/oracle-ebs-server-R12-preinstall.
| Note: Users of the pre-install rpm on Oracle Linux 5 should check to ensure that the unixODBC rpm was installed as there is a known issue with the inclusion of this in the OL 5 repository. If this rpm is missing, users need to download and install it manually. | 
  4. While the above installation of the pre-install rpm includes all required packages and sets  kernel parameters and other system values, it is still necessary to perform a few additional steps prior to using this environment for an E-Business Suite installation: 
4a. Ensure that swap space meets the requirements as documented in the 'Swap Space' section. 
      4b. Ensure that the hostname settings meet the requirements as documented in the ' Verifying Host Names' section.       
      4c. Check threading model as documented in the 'Threading Model in Linux must be NPTL' section.
      4d. Check for OPMN port conflict. 
      4e. Check /etc/services for size as documented below . 
5. Users can now install the E-Business Suite using the Rapid Install by using the rapidwiz utility after correctly downloading and staging the E-Business Suite media as documented in the 'Oracle E-Business Suite Installation Guide: Using Rapid Install' available from Oracle Documentation:
$ cd /u01/StageR122/startCD/Disk1/rapidwiz/bin
$ buildStage.sh
$ cd ..
$ ./rapidwiz
 
Users should review the Installation Guide for further details, as well as Release Update Pack (RUP) READMEs as applicable. 
 
Before Installing or Upgrading
| Note: If the Release 12.2 installation or upgrade is performed with the Rapid Install wizard (either a new R12 installation or upgrade from 11i, 12.0 or 12.1 to 12.2),  it is recommended to use  the latest startCD version in order to obtain the newest set of patches and other technologies required to successfully install and run E-Business Suite. Please review the 'Current Version of startCD ' section of the  My Oracle Support Document 1320300.1 ('Oracle E-Business Suite Release Notes, Release 12.2 ') for more information. | 
Complete all operating system requirements, software requirements, and other requirements before installing or upgrading Oracle E-Business Suite.
Upgrade Oracle Database and Oracle Web Tier (Oracle Linux 7 and RHEL 7 only) 
Customers on existing 12.2 systems who are cloning to the above operating systems must first upgrade the Oracle Database to 11gR2 (11.2.0.4 or higher) or 12c (12.1.0.2 or higher)  on the source 12.2 environment following the respective documents:
Customers on existing 12.2 systems (who installed with a startCD version of 49 or ealier) who are cloning to the above operating systems must first upgrade the Oracle Web Tier to 11.1.1.7 (11gR1 PS6) or higher on the source 12.2 environment following the  document:
| Note (for upgrades to Web Tier 11.1.1.7 only):1. When installing Web Tier 11.1.1.7, apply patch 19854840 and follow the patch README to start the installer 2. Apply patch 21081177 as a post install step (to fix the issue with OHS start up failing with missing library libpcre.so.0)
 3. Apply patch 19458142 as a post-upgrade step
 4. Run preclone to update files in the <COMMON_TOP> directory
 | 
Customers who installed 12.2 starting with startCD 50 or later do not have to upgrade Oracle Web Tier prior to a clone as  startCD 50 delivers version 11.1.1.7. 
Customers who are performing a fresh install of the E-Business Suite on these operating systems using Rapid Install may need to upgrade these technology components after the installation of EBS 12.2 (see section below in '
After Installing or Upgrading'). 
Upgrade JDK  (Oracle Linux 7 and RHEL 7 only) 
Customers on existing 12.2 systems (who installed with a startCD version of 46) who are cloning to the above operating systems  must review and follow the instructions posted in the doucments below to upgrade to the latest available JDK versions if necessary:
Apply EBS  Patches (Oracle Linux 7 and RHEL 7 only) 
Customers on existing 12.2 systems who are cloning to the above operating systems must  first apply the following patches on the source 12.2 environment:
| 1:These two patches are only required if the existing EBS 12.2 system is 12.2 RUP 4 (12.2.4) or earlier as these patches are included in 12.2 RUP 5 (12.2.5). | 
OPMN  port conflict
| Attention: By default, the OPMN service  of the Application Server technology stack listens on port 6000 when  started up during Rapid Install. This can conflict with the X11 port  used for the graphics console on Linux servers and prevent   Rapid Install from completing. | 
To address this issue, perform the following steps  before installing or upgrading: 
- Check if the port 6000 is being used ("netstat -a |  grep 6000") 
- If so,  you should disable the graphics console login process on the Linux  server.  This can be accomplished by logging in as  root  and  issuing the following commands:     
- Find the process that uses port 6000 by the command "lsof -i          TCP:6000". 
- Use "kill -9" to abort the process found in the previous step 
- Confirm that nothing is listening at port 6000 ("netstat -a |          grep 6000") 
- Modify /etc/inittab by changing "id:5:initdefault:" to          "id:3:initdefault:" 
- Run "/sbin/init 3" to restart dtlogin 
 
Unset environment variable before installing (for SLES 10 and 11 only) 
Unset the ENV environment variable prior to installing (to avoid failure of the registration of the 10.1.2 Oracle Home during install):
Check /etc/services for size 
 
To avoid a Java stack overflow during the registration of the 10.1.2 Oracle Home while installing 12.2, it is necessary to backup the /etc/services file,  remove commented lines in the file and then restore the file after installing 12.2 if there are a large number  of  commented lines (> ~1300) in the file.  
Installing or Upgrading
Perform the installation or upgrade following the  documentation (Oracle E-Business Suite Installation Guide:   Using Rapid Install, Oracle E-Business Suite Upgrade Guide: Release     11i to Release 12.2 or Oracle E-Business Suite Upgrade Guide: Release     12.0 and 12.1 to  12.2) relevant to the specific installation or upgrade scenario described above.
Ignore Web Server Install Pre-requisite check failure in startCD 49 or earlier (Oracle Linux 7 and RHEL 7 only)
 
While installing EBS 12.2 and its required technology components (Fusion Middleware and Database) using startCD 49 or earlier on the above operating systems, Rapid Install may report pre-requisite check failures such as:
  Check Name:CertifiedVersions
  Check Description:This is a prerequisite condition to test whether the Oracle software is certified on the current O/S or not.
  Expected result: One of redhat-6,oracle-6,oracle-5.6,oracle-5.7,oracle-5.8,enterprise-5.4,enterprise-4,enterprise-5,redhat-5.4,redhat-4,redhat-5,SuSE-10,SuSE-11
  Actual Result: oracle-7.0
  Check complete. The overall result of this check is: Failed <<<<
 
This error can be ignored as the issue will be addressed after the Web Tier is upgraded to 11.1.1.7 (11gR1 PS6) as a post-install step (see below). 
Starting with startCD 50, this error will not be seen. 
Ignore link error during Web Server Install in startCD 49 or earlier (Oracle Linux 7 and RHEL 7 only)
 
While installing EBS 12.2 and its required technology components (Fusion Middleware and Database) using startCD 49 or earlier on the above operating systems, users may see link errors such as:
  Error in invoking target 'install' of makefile '/d1/oracle/PROD/fs1/FMW_Home/webtier/webcache/lib/ins_calypso.mk'.......
  /usr/bin/ld: libwebcache.a(wxsmdms.o): undefined reference to symbol 'yodSensorInvalidate'[[/usr/bin/ld: note: 'yodSensorInvalidate' is defined in DSO
  /d1/oracle/PROD/fs1/FMW_Home/webtier/lib/libdms2.so so try adding it to the linker command line
  /d1/oracle/PROD/fs1/FMW_Home/webtier/lib/libdms2.so: could not read symbols: Invalid operation
  collect2: error: ld returned 1 exit status ]]
 
 
These errors can be ignored as the issue will be addressed after the Web Tier is upgraded to 11.1.1.7 (11gR1 PS6) as a post-install step (see below). 
Starting with startCD 50, this error will not be seen. 
Ignore Web Server Install Pre-requisite and Database Pre-install check warnings (SLES 11 only)
 
While installing EBS 12.2 and its required technology components (Fusion Middleware and Database), users can ignore specific warnings pertaining to missing rpms such as:
- libgcc43-4.3.3_20081022
- libstdc++43-4.3.3_20081022-11.18
- libstdc++43-32bit-4.3.3_20081022
Ignore HTTP server check failure in post Rapid Install checks (Oracle Linux 7 and RHEL 7 only)
 
During post-install checks, the HTTP server checks might fail with the following errors:
/d1/oracle/PROD/fs1/FMW_Home/webtier/ohs/bin/apachectl startssl: execing httpd 
httpd.worker: Syntax error on line 1042 of 
/d1/oracle/PROD/fs1/FMW_Home/webtier/instances/EBS_web_PROD_OHS1/config/OHS/EBS_web_PROD/httpd.conf: Syntax error on line 30 of 
/d1/oracle/PROD/fs1/FMW_Home/webtier/instances/EBS_web_PROD_OHS1/config/OHS/EBS_web_PROD/oracle_apache.conf:   Syntax error on line 19 of 
/d1/oracle/PROD/fs1/FMW_Home/webtier/instances/EBS_web_PROD_OHS1/config/OHS/EBS_web_PROD/security2.conf:   Cannot load /d1/oracle/PROD/fs1/FMW_Home/webtier
/ohs/modules/mod_security2.so into server: libpcre.so.0: cannot open shared object file: No such file or directory
 
These errors can be ignored as the issue will be addressed after the Web Tier is upgraded to 11.1.1.7 (11gR1 PS6) as a post-install step (see below). 
After Installing or Upgrading
Perform the following steps after installing or upgrading to Release 12.2 and before allowing users to access the system.
Create dynamic linker runtime bindings for Oracle Reports (SLES 10 and 11 installs using startCD 46 with Java 6 only) 
When running Reports  such as 'Active User' Concurrent Reports, the shared library libmawt may not be found for the executable rwrun and can error out. One way to fix this is to perform the following as superuser or root on the application tier system: 
- Create a rwrun.conf file under /etc/ld.so.conf.d and add "<10.1.2 OH>/jdk/jre/lib/i386/xawt" to this file where <10.1.2> is replaced with the   actual 10.1.2 (Forms/Reports) Oracle Homes. For example: 
 
# cd /etc/ld.so.conf.d/ 
# touch rwrun.conf
# echo "/d1/oracle/PROD/fs1/EBSapps/10.1.2/jdk/jre/lib/i386/xawt" > rwrun.conf
# echo "/d1/oracle/PROD/fs2/EBSapps/10.1.2/jdk/jre/lib/i386/xawt" >> rwrun.conf
 
 
- Run the ldconfig command to load the library path configuration: 
 
This issue does not arise when installing using startCD 47 (which includes Java 7) or higher, and so the above commands are not needed for 12.2 environments created with the startCD 47 or higher. 
Upgrade Oracle Database
Customers who have performed a fresh installation of EBS 12.2 must now upgrade the Oracle Database to 11gR2 (11.2.0.4 or higher) or 12c (12.1.0.2 or higher)  on the new 12.2 environment following the respective documents:
| Note:1. When installing 11.2.0.4 on Oracle Linux 7 or Red Hat Enterprise Linux 7, the warning regarding missing package 'pdksh-5.2.14' during pre-requisite checks can be ignored. 2. When installing 11.2.0.4  on Oracle Linux 7 or Red Hat Enterprise Linux 7, users may see the installer error in invoking target 'agent nmhs' of makefile with the log file showing an undefined reference to symbol 'B_DestroyKeyObject'. Users should review and implement the workaround noted in the document:
 
 | 
Upgrade Oracle Web Tier (Oracle Linux 7 and RHEL 7 only) 
Customers who have performed a fresh installation of EBS 12.2 on OL/RHEL 7 using startCD 49 or earlier must  upgrade the Oracle Web Tier to 11.1.1.7 (11gR1 PS6) or higher following the  document:
The Web Tier should be upgraded after applying the latest 12.2 Release Update Pack (12.2.3 or higher) to the newly installed12.2.0 environment.
| Note (for upgrades to Web Tier 11.1.1.7 only): 1.         When installing Web Tier 11.1.1.7, apply patch 19854840 and follow the patch README to start the installer. If an error window pops up ("Error in invoking target 'install' of makefile '<FMW_HOME>/webtier/webcache/lib/ins_calypso.mk'"        ), click 'Continue' and ignore the error. This will be addressed during the application of the patch 19458142 below.
 2. Apply the following patches as a post install step for Web Tier:
 - 21081177(to fix the issue with OHS start up failing with missing library libpcre.so.0)
 - 19458142
 | 
Customers who are cloning an existing EBS environment (installed with startCD 49 or earlier) to a new OL/RHEL 7 system must upgrade Oracle Web Tier prior to performing the clone (as noted above in the '
Before Installing or Upgrading' section). 
Beginning with startCD 50, this Web Tier upgrade step is not necessary as the Oracle Web Tier version delivered with EBS Rapid Install is version 11.1.1.7. 
Upgrade JDK  (Oracle Linux 7 and RHEL 7 only) 
Customers who have performed a fresh installation of EBS 12.2 with startCD 46 must review and follow the instructions posted in the doucments below to upgrade to the latest available JDK versions:
Starting with startCD 47, this upgrade step is not necessary as the JDK version delivered with EBS is JDK 7. 
Apply EBS Patches (Oracle Linux 7 and RHEL 7 only) 
Customers who have performed a fresh installation of EBS 12.2 must now  apply the following patch on the new 12.2 environment:
| 1:These two patches are not required if installing 12.2 RUP 5 (12.2.5) or higher as they are included in that RUP. | 
LD_LIBRARY_PATH Environment Variable
Dynamic libraries are used as part of the relinking and execution processes. The LD_LIBRARY_PATH environment variable is used by Oracle E-Business Suite  to locate the required dynamic libraries at runtime - this variable is set by the Rapid Install wizard during the installation of EBS as well as by the Rapid Clone script  (adcfgclone) when configuring the target system.
If you need to change these values, use the Edit Parameters function of the OAM AutoConfig tool (by logging in as 'System Administrator' responsibility, clicking on 'System Administrator', selecting 'AutoConfig' under 'Oracle Applications Manager', and clicking on the 'Environments' tab):
On each application tier server node:
LD_LIBRARY_PATH is set in three places: 
- $APPL_TOP/admin/adovars.env
- $ORA_CONFIG_HOME/10.1.2/[CONTEXT_NAME].env, in the 10.1.2 Oracle home directory
In the AutoConfig interface, this corresponds to: 
| Location | Parameter | 
|---|
| adovars | LD_LIBRARY_PATH | 
| tools_home (10.1.2) | LD_LIBRARY_PATH | 
On the database server node:
LD_LIBRARY_PATH is set in $ORACLE_HOME/[CONTEXT_NAME].env which corresponds in the AutoConfig interface to:
| Location | Parameter | 
|---|
| db_home | LD_LIBRARY_PATH | 
After making these changes, run AutoConfig (adautocfg.sh) to implement the changes on the application and database tiers. 
| Additional Information: See AutoConfig in Oracle E-Business Suite Maintenance Utilities for more information on AutoConfig. | 
 
Net Service Listeners in Multi-user Installations
Net Service Listeners use the /var/tmp/.oracle directory to store temporary files. To give all users in a multi-user installation write privileges, update /var/tmp/.oracle with 777 permissions: 
$ chmod 777 /var/tmp/.oracle
 
 Known Issues 
The following are known issues for this release.
Advanced Supply Chain Planning product (MSO) may crash when increasing number of threads for optimization  
The 64-bit Oracle Advanced Supply Chain Planning executable MSONWL64.exe may crash when increasing the number of threads for optimization on a system with insufficient memory (bug 7259631). The following error is observed when this occurs:
**** glibc detected *** MSONWL64.exe: corrupted double-linked list: 
    0x00002aaaac0008b0 **** 
 
Patching Application Server Oracle Homes using OPatch  (Oracle Linux 6 and RHEL 6 only)
After an installation or clone of Release 12, you will need to set the OPATCH_PLATFORM_ID to '226' prior to applying patches to the 10.1.2  Application Server Oracle Home. For example, in the "ksh" shell:
$ OPATCH_PLATFORM_ID=226; export OPATCH_PLATFORM_ID
 
This step is needed to avoid an OPatch Config Assistant failure.
Errors while running ADOP - AD Online Patching  (SLES 10 and 11 only) 
 
While running the utility ADOP on SLES, users may see errors such as 
sh: mc: line 1: syntax error: unexpected end of file 
sh: error importing   function definition for `mc' 
 
This is due to the mc ('midnight commander') utility on SUSE being defined differently as a function with multiple lines. There is no functional loss or ramifications due to these error messages. 
In order to avoid these error messages, users can choose to run the following before running ADOP:
To re-enable mc after running ADOP, they can use the following command:: 
Error while cloning on Red Hat/Oracle Linux 5.5 with the UEK kernel
 
While attempting to clone E-Business Suite 12.2 on a Red Hat or Oracle Linux 5 Update 5 (5.5) with its associated Unbreakable Enterprise Kernel (UEK) version 2.6.32-100.0.19, a failure will be seen during the clone phase of OHS (Web Tier) as the OUI pre-requisite checks do not include this version of the UEK.
This can be worked around by upgrading the UEK to the latest available version that is available on the public yum repository as documented 
here. 
Errors in log files when starting Admin Server during multi-node shared file installation 
 
Customers who have installed the  modules package (environment-modules) may see errors during multi-node shared file installations in  log files such as: 
Starting WLS Admin Server... 
sh: module: line 1: syntax error: unexpected end of file 
sh: error importing function definition for 'module' 
 
Customers can avoid this by either unsetting the 'module' environment variable in the shell where they're installing 12.2, or by uninstalling the environment-modules rpm if they're not using the features of the modules package.
 
Thanks
Srini
 
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