Network separation of Production and Non-Production Environments using the Oracle Private Cloud Appliance and Oracle VM

Overview We are currently seeing rapid adoption of Fusion Applications in the SaaS@Customer model. This and the strong Fusion Applications On-Premise installation base have been further secured by establishing strict rules for separation of Production Systems and Non-Productions Systems. Usually the mandate is to separate the network traffic on the logical level as well as […]

Oracle Cloud Infrastructure (OCI) REST call walkthrough with curl

  Introduction This post will walkthrough the elements required, and purpose of each, to make a curl request to Oracle Cloud Infrastructure (OCI) REST services. While there are a variety of tools offered that make this task far easier than manually constructing a curl request, the purpose of this post is to provide an explanation […]

GoldenGate Cloud Service (GGCS): How to run SSH Socks Proxy Server for Oracle GoldenGate (OGG)

Introduction In this article we shall discuss how to configure and run Secure Shell (SSH) Socks Proxy server needed for Oracle GoldenGate (OGG) replication between On-Premises and GoldenGate Cloud Service (GGCS) in the Oracle Public Cloud (OPC). The SSH Socks Proxy server is required in GoldenGate replication between On-Premises and OPC, only if there’s no […]

Oracle Data Integration Platform Cloud (DIPC): Configure VPN as a Service (VPNaaS) for On-Premises Connectivity

Introduction This document will walk you through how to configure Virtual Private Network as a Service (VPNaaS) with Oracle Data Integration Platform Cloud (DIPC) for connectivity between On-Premises Oracle database and Oracle Public Cloud (OPC). One major requirement for DIPC to be configured with VPNaaS is; DIPC must be provisioned to use IP Network instead of […]

Setup Oracle API Gateway on OCI-Classic in Oracle Public Cloud

This blog provides steps to get Oracle API Gateway up and running on Oracle cloud- OCI Classic VM We will see following steps: 1. Create compute instance on Oracle Cloud Infrastructure Classic (OCI-classic) 2. Create Logical gateway in API management console and Assign grants to add nodes 3. Connect OCI-classic instance using SSH and copy […]

Testing latency and throughput

Purpose This article is meant to provide steps to test latency and throughput between servers and/or datacenters. The tests described here are not meant to test application performance from and end user perspective.   Overview This post will provide an overview of some basic throughput and latency testing. Before testing, check your route. Is it […]

GoldenGate Cloud Service (GGCS): How to configure Oracle GoldenGate (OGG) SOCKS Proxy Server via HTTP Proxy Server

Introduction In this article we shall discuss how to configure Oracle GoldenGate (OGG) replication between On-Premises and GoldenGate Cloud Service (GGCS) via HTTP Proxy Server. This discussion will include a sample configuration setup. This approach is very similar to configuring OGG Replication between On-Premises and GGCS via DMZ server, the only main difference is how […]

Part 4 of 4 – SSSD Authentication: Known Problems and Troubleshooting Tips

Introduction In Part 3 of 4 – SSSD Linux Authentication: Implementation Step-by-Step Guideline I covered all the necessary step-by-step details on deploying SSSD, but nothing ever seems to go perfect the first time does it.  This is why I have included a final Part 4 that covers known problems I came across, though there could […]

Part 3 of 4 – SSSD Linux Authentication: Implementation Step-by-Step Guideline

Introduction In Part 2 of 4 – SSSD Linux Authentication: LDAP Identity Store Requirements all the aspects of the LDAP Identity Store requirements were covered. And before that in article Part 1 of 2 – SSSD Linux Authentication: Introduction and Architecture I covered an introduction and high-level architecture of SSSD, which will be very important […]

Part 2 of 4 – SSSD Linux Authentication: LDAP Identity Store Requirements

Introduction In Part 1 of 4 – SSSD Linux Authentication: Introduction and Architecture I covered an introduction on SSSD and an architecture overview with details on the flow of how it all works.  In this part I am going to cover the LDAP Identity Store details required for SSSD.   LDAP Identity Store Schema Requirements […]

Part 1 of 4 – SSSD Linux Authentication: Introduction and Architecture

Introduction This article provides the details needed to solve a real use case used to allow a user to authenticate to an Oracle Public Cloud Linux server in SaaS using a single or multiple LDAP Identity store that could be Active Directory 2012R2 (AD) or better, Oracle Internet Directory (OID), Oracle Unified Directory (OUD), Oracle […]

GoldenGate Cloud Service (GGCS): Replication from On-Premises to Oracle Public Cloud (OPC) via Oracle Cloud Gateway VPN

Introduction This document will walk you through how to configure Oracle GoldenGate (OGG) replication between On-Premises Oracle Database to an Oracle Database Cloud Service (DBCS) on Oracle Public Cloud (OPC) via Oracle Cloud Gateway Virtual Private Network (VPN) using Corente Services Gateway. Installation of Oracle GoldenGate for Oracle Database on the On-Premises and the provisioning […]

GoldenGate Cloud Service (GGCS): Replication from Amazon RDS MySQL Database to Oracle DBCS

Introduction This document will walk you through how to configure Oracle GoldenGate (OGG) replication from Amazon Relational Database Service (RDS) MySQL Database to an Oracle Database Cloud Service (DBCS) on Oracle Public Cloud (OPC) via Amazon Web Services (AWS) Elastic Compute Cloud (EC2) and Oracle GoldenGate Cloud Service (GGCS). The following topics are not included in […]

Creating an instance in Oracle Public Cloud via REST API’s – a usable example

Introduction This post will walk a user through creating a storage volume, and an instance with that volume attached in the Oracle Public Cloud(OPC) via REST API’s. While this article will use curl to demonstrate the calls, these steps can be replicated with any REST client of your choosing.   Prerequisites In order to execute […]

GoldenGate Cloud Service (GGCS): Replication from Amazon RDS Oracle Database to Oracle DBCS

Introduction This document will walk you through how to configure Oracle GoldenGate (OGG) replication from Amazon Relational Database Service (RDS) Oracle Database to an Oracle Database Cloud Service (DBCS) on Oracle Public Cloud (OPC) via Amazon Web Services (AWS) Elastic Compute Cloud (EC2) and Oracle GoldenGate Cloud Service (GGCS). The following topics are not included […]

GoldenGate Cloud Service (GGCS): Replication from On-Premises to Oracle Public Cloud (OPC)

Introduction This document will walk you through how to configure Oracle GoldenGate (OGG) replication between On-Premises Oracle Database to an Oracle Database Cloud Service (DBCS) on Oracle Public Cloud (OPC) via GoldenGate Cloud Service (GGCS). Installation of Oracle GoldenGate for Oracle Database on the On-Premises and the provisioning of Oracle GGCS and DBCS are not […]

Using VNC securely in the Oracle Cloud

Introduction Having access to a VM in the Cloud via VNC can be very useful in many situations – e.g. most customers want to install software using GUI based installer, e.g. Oracle Database etc. Using VNC the installation can continue, even without being connected. The easiest way to achieve this with a reliable and secure […]

Oracle GoldenGate: How to configure On-Premises to GoldenGate Cloud Service (GGCS) via DMZ Server

Introduction A DMZ (demilitarized zone) server is a public-facing computer host placed on a separate or isolated network segment. The intention of this DMZ server is to provide an additional layer of network security between servers in the trusted network and servers in the public network. In this article we shall discuss how to configure […]

TCP/IP Tuning

Introduction This article is meant to provide an overview of TCP tuning. It is important to understand that there is no single set of optimal TCP parameters. The optimal tuning will depend on your specific operating system, application(s), network setup, and traffic patterns. The content presented here is a guide to common parameters that can […]

Oracle GoldenGate: How to Force OGG Monitor Server to Use a Specific Network Address to Communicate to a Multihomed Monitor Agent

Introduction A multihomed machine is a type of host that uses multiple interfaces and contains two or more network addresses that can be attached to the same LAN segment or a separate LAN segment. Multihoming is a process or a technique widely used to eliminate single point of failure on the network, and provides alternate […]