Issue: When we run the RCU utility to create the OIM/OAM Schemas, the following error is encountered Mon Sep 24 23:36:02.696 UTC 2018 ERROR assistants.rcu.backend.task.PrereqTask: oracle.sysman.assistants.rcu.backend.task.PrereqTask::execute: Prereq Evaluation Failed oracle.sysman.assistants.rcu.backend.validation.PrereqException: ERROR – RCU-6083 Prerequisite check failed for selected component: CAUSE – RCU-6083 Prerequisite check failed for selected component. ACTION – RCU-6083 Refer to the RCU […]

Issue: If you are on a EC2 micro instance and constantly running out of memory or need additional swap space for your application requirements such as Oracle DB, Oracle UCM or SOA, you can follow the below Instructions to increase the swap space (default is zero)   Resolution:   Login to your EC2 Instance and […]

  Issue:   If you are working on AWS EC2 RHEL Instance version 7+ , you might notice that when the server is restarted, you’ll no longer have connectivity to the custom TCP ports from outside even if you have the Security Group with valid inbound and outbound rules   Root Cause:   If you […]

Download the binaries from oracle site (http://www.oracle.com/technetwork/developer-tools/rest-data-services/downloads/ords-download-174-4426575.html) Unzip the binaries in a directory where you have the weblogic running Run the following command to install the ords /opt/oracle/product1213/jdk1.8.0_161/bin/java -jar ords.war install advanced Enter the name of the database server [localhost]:database-scan.na.lzb.hq Enter the database listen port [1521]:<Enter unless port is different> Enter 1 to specify the […]

Below is a quick start guide to setting up your Safenet (Luna) SA5 network attached Hardware Security Modules (HSMs)   Note: First step is to connect to the HSM using a serial Interface and putty (8N1, 115200). Default user/password are ADMIN/PASSWORD   Configure Luna SA Networking   Command   Notes/Comments lunash:> sysconf timezone set US/Central […]

Issue: Cisco Webex Add on Plug-in fails to install on the new mabook pro with macOS Sierra. It doesn’t give an error but it silently fails without installing the webex plug-in   Resolution:Open up the terminal window on your mac and create the below directory. mkdir ~/Library/Internet\ Plug-Ins After the directory is created, run the […]

Follow the below steps to associate your web tier instances with the corresponding Oracle WebLogic domain. Once the OHS Instances are linked to the domain, they can be managed and monitored via the Oracle Fusion Middleware console. Most of the configuration changes can be made through the console   To register the Oracle web tier […]

Issue: When troubleshooting Single Sign-On (SSO) issues or OAM SAML Assertion issues in OHS 11G, it is very useful to capture the HTTP Headers being passed to the web servers. By default OHS 11G servers have a perl script we can invoke to print the HTTP Headers.   Default URL: http://hostname.domain:port/cgi-bin/printenv   When invoking the […]

Oracle Unified Directory provides several types of logs: access logs, audit logs, error logs, debug logs, and a replication repair log. As an administrator, it is important for you to set right rotation and retention policies so that the file systems don’t become 100% utilized   To check the current list of log files enabled […]

Oracle weblogic servers generate different log files during runtime. It is important for the administrators to manage them through consistent log rotation and purge policies so that they don’t fill out file system and cause application outages   Admin Server and Manager Logs:   Admin Servers and Managed servers typically generate the following log files […]