Friday Jul 15, 2016

Partner Webcast – Enterprise Hybrid Integration Simplified with Oracle Integration Cloud Service


Today’s organizations are facing a rapid transition from on-premises-only application integration to a more diverse integration landscape that involves combining on-premises with public and private cloud applications and services. For both real-time and batch-level interfaces, developers often set up point-to-point interfaces to initiate inter-application workflows and exchange data.

As the number of cloud providers in the IT ecosystem expands, the protocols, file formats and data types differ widely from one cloud vendor to another. Complexity increases exponentially, forcing most organizations to find a standard way to create and maintain interfaces among applications and data sources. Rather than manually coding for these connections among cloud and on-premises information systems, they realize that it is much easier to use a general-purpose integration platform, to interface cloud with on-premises applications and enable real-time, event-driven business process

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Wednesday Jul 13, 2016

Consuming MCS Custom API using SDK for Android

Recently experimenting with the latest Oracle Mobile Cloud Service SDK for Android I was pleasantly surprised how easy you can call MCS Custom API using SDK with just a few lines of code. In common case scenario to make the simplest GET request to REST service you most likely will use HttpURLConnection class to create connection and make a request and Uri.Builder helper class for building or manipulating URI references etc. In addition to this you will need to define Oracle-Mobile-Backend-ID and Authorization request headers since MCS Mobile Backend does not support fully anonymous calls. You can refer to thisdocumentation article for further details about testing your Custom API outside MCS console. But good news, that MCS SDK greatly simplifies this work and allows making Custom API calls with the just few lines of code.

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Friday Jul 08, 2016

Partner Webcast - Oracle Mobile Cloud Service for Developers: Updates and Features

The Oracle Mobile Cloud Service (MCS) goal is to easily enable mobile application developers that are continually looking for new ways to accelerate development of apps to meet their consumer’s needs.

Oracle MCS aims to be your set of cloud-based, server-side mobile services to make your application development quicker and easier to deploy.

Are you as a mobile developer looking for that key component that allows you to capitalize on all the affordances provided by the cloud

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How to get access to the Oracle Public Cloud

Many Oracle Public Cloud services have been generally available for quite some time now, yet still we get questions on how to get access to them.

 In this blog entry Jernej Kase describes four options on how to get access to the Oracle Public Cloud:

  1. Get a free trial
  2. Buy it
  3. Use Demo instances or
  4. Check if your company already has Oracle Cloud credits


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Wednesday Jul 06, 2016

Always fill in the DNS Hostname Prefix in Oracle Compute Cloud Instance

Always fill in the DNS Hostname Prefix when creating a new instance in Oracle Compute Cloud.

What seems an unimportant optional field can make your life harder than it should be, namely your instance will get a new hostname and new server ssh key each time the instance orchestration is restarted, which leads to confusion and problems. Here’s why that happens:

Each instance is governed by Instance Metadata. There is actually a server available to your instance on the internal network, where Metadata is available. Among other things, the Metadata contains server DNS name.

Here’s the important part: if you leave DNS Hostname Prefix field empty, then DNS name is dynamic, auto generated each time the instance orchestration is started (but not when instance is rebooted).

On your instance, there’s also /usr/bin/opc-linux-init script started by /etc/rc.d/rc.local, at least if your instance is based on one of the predefined Oracle images.

This script checks if the hostname is the same as the one provided by the Metadata - and if it’s not, it changes the hostname, server ssh keys and possibly other instance configuration.

There are probably not many scenarios when you want your instance to be reconfigured on each start, so remember to configure DNS Hostname Prefix when you create it. If you need to update one of your existing instances, add "dns" : [ „yourhostname“ ] to the instance networking configuration.

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Monday Jul 04, 2016

Persistent storage in Oracle Compute Cloud (IaaS)

Oracle Compute Cloud Serviceoffers a dedicated compute with predictable performance and network isolation.

Rapidly provisioned virtual compute environment to run applications at scale on the Oracle Public Cloud with predictable, consistent performance and network isolation.

Still, there seems to be some inconsistent behaviour of Oracle Compute cloud service at the moment. It could happen that the storage you create through Create Instance wizard is nonpersistent, but the solution is simple.

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