The Key To The Kingdom

I spend quite a bit of my time these days advising Oracle customers on implementing and using HCM Cloud Applications.  Makes sense, as that is the primary role of my group 😉  And I’m often asked about where I get my own information.  While I get some of it through hands-on experimenting and experience, I also have a treasure trove of online information.  And it’s all centralized.  And I’m going to share it…this is "the (more...)

Uruguay User Group Session: Secure Your Database in 1 Day

Uncategorized
| Jul 31, 2017
Many thanks to those who I had the pleasure and honor of presenting, albeit virtually, on how to secure 60% of an Oracle Database infrastructure in just under a day. I hope you found it useful.

You can download the presentation here and the scripts here.

Installation overview of node_exporter, prometheus and grafana

Prometheus is an open source systems monitoring and alerting toolkit originally build at Soundcloud. This blogpost shows how to install the needed components to do visualisation of linux system statistics via Grafana.

The setup consists of 3 components:
node_exporter, an exporter of system and hardware metrics.
prometheus, a metric collection and persistence layer.
grafana, the visualisation layer.

1. Preparation
The needed components are installed in the home directory of (more...)

And Hello again!

Returning to the blogging world

Part 5 – The right to be forgotten (EU GDPR)s

This is the fifth part of series of blog posts on 'How the EU GDPR will affect the use of Machine Learning'

Article 17 is titled Right of Erasure (right to be forgotten) allows a person to obtain their data and for the data controller to ensure that the personal data is erased without any any delay.

This does not mean that their data can be flagged for non-contact, as I've seen done (more...)

Oracle BDCSCE Upgraded: Zeppelin 0.7 and Spark 2.1

Last week, Oracle Big Data Cloud Service – Compute Edition was upgraded from 17.2.5 to 17.3.1-20. I do not know if the new version is still in testing phase and available to only trial users, but sooner or later the new version will be available to all Oracle Cloud users.

The new version is still based on HDP 2.4.2 but it contains upgrades on two key components: Zeppelin and (more...)

Back From Holidays

After some weeks, spent in Sweden, I'm back ... and will continue writing blogposts ... :-)

Stay tuned


Optimistic ORA_ROWSCN 3: the Use Case

My goal is to show how ORA_ROWSCN can help deal with the problem of "lost updates". Before that, I need to explain the use case I have in mind: an OLTP application that provides a transactional API, using JSON for data interchange, across a stateless connection.

Presented at CLOUG OTN Day 2017, Chile stop of the 2017 LAD OTN Tour

Amidst lots of Empanadas and Lomo Saltodos, I presented at CLOUG OTN Day 2017, Chile stop of the 2017 LAD OTN Tour last week and it was great to see a very passionate audience.




Despite of long flight and opposite time zone difference, Santiago, Chille came out very welcoming and lively. The event was very well organized and was studded with international speakers including fellow Pythianite Bjoern Rost, and various other well known speakers (more...)

Cassandra Query Language

After installing Cassandra and reading Cassandra The Definitive Guide, it struck me that I should learn a bit more about the Cassandra Query Language (CQL). So, I setup a .bashcassandra environment file:

# Add the Java and JRE paths to the $PATH environments.
export set PATH=$PATH:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.45.x86_64:/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.45.x86_64/jre

# Add the $JAVA_HOME and $JRE_HOME environment variables.
export set JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.45. (more...)

Oracle JET Busy Context API to Control Asynchronous REST Calls

I have received feedback from users working with JET UI - sometimes it is not obvious that action button was pressed, users tend to press same button again very fast, which leads to parallel REST calls executing at the same time. In JET - REST call is executed asynchronously, this makes user to believe action was done instantly when button was pressed. However, REST call still may run in the background - while user will (more...)

Words I Don’t Use, Part 3: “Best Practice”

The third “word I do not use” is best practice.

The “best practice” serves a vital need in any industry. It is the answer to, “Please don’t make me learn about this; just tell me what to do.” The “best practice” is a fine idea in spirit, but here’s the thing: many practices labeled “best” don’t deserve the adjective. They’re often containers for bad advice.

The most common problem with “best practices” is that (more...)

Spaced Out

A while back, I wrote about how to give the Universal Theme a face lift.  If you follow the steps in that post, the base font for an APEX application with the Universal Theme can easily be changed.

While that's all well and good, sometimes you only want to change the font for a report, not the entire page.  One of the applications that I'm building contains a number of IRs based mostly on log (more...)

Come here us talk at Oracle Open World 2017

The authors of this book will be speaking at Oracle Open World 2017.  Come here, and if you have a copy of the book, we’ll be happy to sign it for you. Oracle Integration Cloud Service Best Practices from the Field [CON1681]  This session explores best practices developed by AMIS and Capgemini for Oracle Integration […]

The post Come here us talk at Oracle Open World 2017 appeared first on Implementing Oracle Integration Cloud Service.

Event Mapping: FieldChange

In my post Event Mapping: Extending "Personal Details" in HCM I noted that PeopleTools 8.56 FieldChange event mapping didn't work with fields from subpages. I opened a bug with MyOracle Support and Oracle sent me a fix to test. The fix works great! Now that I have FieldChange Event Mapping working for that prior scenario, I wanted to share how that Personal Details scenario would change. First, I would remove the JavaScriptEvents line. Specifically, (more...)

Using LetsEncrypt on Amazon Linux

sslapexFor a number of years now I’ve been using LetsEncrypt to provide free SSL certificates for the Apex applications I provide. These certificates last for 90 days and are renewed automatically by a simple script on my server.

By the way – if you’re not already using https for your public-facing Apex applications, you should, okay – even if your site doesn’t have data entry.

Each LetsEncrypt certificate can cover multiple subdomains. They don’t (more...)

#SQLDevModeler Tip: From Domain to Database… A Comment Conundrum

Great tip on creating a custom transformation script in SQL Developer Data Modeler (SDDM) from the awesome David Schleis: Recently on the Data Modeler Forum, I came across this question: Is it possible to mirror domain comments, from Domain Administration into attribute “Comments in RDBMS”?  Would like to mirror these to the ddl so they […]

Words I Don’t Use, Part 2: “Holistic”

The second “word I do not use” is holistic.

When people use the word “holistic” in my industry (Oracle), it means that they’re paying attention to not just an individual subcomponent of a system, but to a whole system, including (I hope) even the people it serves.

But trying to differentiate technology services by saying “we take a holistic view of your system” is about like differentiating myself by saying I’ll wear clothes to work. (more...)

Accessing Pivotal Cloud Foundry droplet file system when "cf ssh" isn’t enabled

In order to view your application layout you can simply use "cf ssh" to log into the container and then view the files created as part of the droplet. The problem is "cf ssh" isn't always enabled bye the Ops team so what is your alternative in cloud foundry?

You can use "cf curl" to invoke an endpoint using the application GUID as shown in the steps below.

** (more...)

DevOps Handbook Review

DevOps: Is it a mindset or process? That’s a big question for managers because while you can’t manage a mindset, you can manage a process. DevOps is actually a framework of processes.

Some actually say DevOps is actually a lot like making a patchwork quilt. You need to design the patches before you figure out how to stitch them together. I believe this is true, and base that on my experience as a release engineer (more...)