Performance problems, the Whys.. and Hows.. around them
Introduction Over the last years, as part of my consultancy experience, I had the chance to work on several assignments tackling IT performance problems. In this post I will …
Category: Architecture
AWS Lambda: shared libraries (and SAM)
In June I wrote a blog series about the AWS Shop Example. In this series, I also wrote about X-Ray . I like X-Ray: you can see how much …
AWS blog series part 5: Start PowerShell script after a reboot when Windows fails to do so
You might have wondered in the second blog of this series , why I mentioned the possibility that the Task Scheduler didn’t start after a reboot in the “on-premise” …
Windows Failover Cluster on AWS part 4: Construction of the CloudFormation scripts
Introduction If you follow along in this blog series , I can imagine that if you deployed the CloudFormation scripts, that you think “wow, how does it work”. In …
AWS Migration part 3: The technique behind Windows Failover Cluster on AWS
Introduction In the previous two blogs , I showed that it is is possible to implement a Windows Failover Cluster in AWS. In this blog, I will explain the …
AWS Migration part 1: how to migrate Windows Failover Clustering servers to AWS?
Introduction In this series, I will look at the migration from on-premise Windows Failover Clusters to AWS. What is the difference in recovery times between the application on-premise, the …
Jenkins Pipeline: SonarQube and the OWASP Dependency-Check
The OWASP Foundation plays an important role in helping to improve security of software worldwide. They have created a popular and well-known awareness document called the ‘OWASP Top 10‘. …
Surprisingly easy: Anchore Engine for container vulnerability scanning in a Jenkins pipeline running on Kubernetes
Anchore Engine is a popular open source tool for container image inspection and vulnerability scanning. It is easily integrated in a Kubernetes environment as an admission controller or in …
Heeft kwetsbaarheid verholpen….
Alleen al dit jaar zijn er meer dan 70 'adviezen' geformuleerd door het Nationaal Cyber Security Centrum. Ondanks deze adviezen lezen we met enige regelmaat over grote IT-hacks en …
Anchore Engine: Container image vulnerability scanning
Applications nowadays, are usually deployed inside containers. A container consists of libraries and tools which allow the application to run inside. Since there can be exploitable vulnerabilities, it is …
AWS Shop example: unit tests
Introduction In the last six blogs , I showed you an application that used AWS to process the sales from a cashing machine. This series continues with tests for …
AWS Shop example: the API Gateway (1)
Introduction You might have noticed that we skipped the API Gateway up to now . I will write two blogs about the API Gateway. In this one, we follow …
Example application in AWS using Lambda
Introduction I have to admit: I love serverless. Serverless computing is using the cloud as it is supposed to be used: it scales up when you need more capacity, …
Migrating an old (10.2.0.4) database to Oracle Cloud with minimal downtime
April 9, 2020
Oracle Cloud, AMIS, Architecture, Cloud, Database, Databases, DBA Oracle, Tools
2 Comments
Unlike most of our posts this post will contain almost no code or examples. But it hopefully will help somebody who ends up to be in the same situation …
Policies in AWS (2)
Yesterday I published a blog about AWS policies. We used the IAM wizard to create a policy. When you try to use this policy with the users we created, …
Setup and use of oVirt on CentOS7
Today, I’ll explain how to install and use oVirt: a nice virtualization tool for Linux, which is based on KVM. I installed the current production version 4.3.8 on a …
Secure browsing using a local SOCKS proxy server (on desktop or mobile) and an always free OCI compute instance as SSH server
Oracle provides several services as ‘always free’. In contrast to Azure and Amazon, these include compute instances which remain ‘forever’ free to use. Although there are some limitations on …
Calling an Oracle DB stored procedure from Spring Boot using Apache Camel
There are different ways to create data services. The choice for a specific technology to use, depends on several factors inside the organisation which wishes to realize these services. …
Collective Data Set and Equal Data Position between B2B Partners in Data Sharing Ecosystems – enter: Blockchain
Many organizations collaborate in one or more ecosystems: groups of organizations that work together in vertical chain or share common interests sometimes even despite being competitors. Examples are research …
IoT is silo integration using Azure Reference Architecture
In IoT, we bridge the gap between the physical world and the enterprise IT systems to unlock the data and create real business value.
Changing views on integration – from Enterprise Service Bus to API Gateway, Serverless and iPaaS
If your tool is a hammer, every problem looks like a nail. Many of us have seen situations where this tunnel vision over time took hold. And for many …
Securing Oracle Service Bus REST services with OAuth2 client credentials flow (without using additional products)
OAuth2 is a popular authentication framework. As a service provider it is thus common to provide support for OAuth2. How can you do this on a plain WebLogic Server …
How to securely access remote content without using a VPN: Use a proxy server accessed through an SSH tunnel
There are numerous occasions that I was limited in my work because of connectivity which could not be trusted. For example; I could not download large installers due to …
OpenSSL example commands
OpenSSL “OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end. It is widely …
Getting started with Spring Boot microservices. Why and how.
In order to quickly develop microservices, Spring Boot is a common choice. Why should I be interested in Spring Boot? In this blog post I’ll give you some reasons …
Oracle SOA Suite and WebLogic: Overview of key and keystore configuration
Keystores and the keys within can be used for security on the transport layer and application layer in Oracle SOA Suite and WebLogic Server. Keystores hold private keys (identity) …
Oracle Mobile Cloud Service (MCS) and Integration Cloud Service (ICS): How secure is your TLS connection?
In a previous blog I have explained which what cipher suites are, the role they play in establishing SSL connections and have provided some suggestions on how you can …
Industrial IoT Strategy, The Transference of Risk by using a Digital Twin
The Internet of Things (IoT) is all about getting in-depth insight about your customers. It is the inter-networking of physical devices, vehicles (also referred to as “connected devices” and …
Oracle Compute Cloud – Uploading My Image – Part Two – Linux 7
July 24, 2017
Cloud, Cyber Security, DevOps, IT, Platform Technology, Virtualization and Oracle VM
4 Comments
In this sequel of part one I will show how you can upload your own (Oracle) Linux 7 image in the IAAS Cloud of Oracle. This post will use …
Two way ssl
How it works in a simple view Several implementations are done with 2 way ssl certificates, but still wondering how it works? Let’s try to explain. Two-way ssl means …
AWS – Build your own Oracle Linux 7 AMI in the Cloud
July 14, 2017
Cloud, Cyber Security, Database, IT, Oracle, Platform Technology, Virtualization and Oracle VM
3 Comments
I always like to know what is installed in the servers that I need to use for databases or Weblogic installs. Whether it is in the Oracle Cloud or …
SSL/TLS: How to choose your cipher suite
For SSL/TLS connections, cipher suites determine for a major part how secure the connection will be. A cipher suite is a named combination of authentication, encryption, message authentication code …
Materials for Workshop Microservices Choreography with Kubernetes, Docker, Kafka and Node.JS
Thursday June 1st – yet another community event at AMIS. This one dedicated to Microservices. What are microservices, why do we think they are interesting? How are they different? …
Configuring Oracle Traffic Director 12c with WebGate
At a recent customer install, I was faced with configuring Oracle Traffic Director (OTD) 12.2.1.2.0 Webgate with Oracle Access Manager. Deploying Webgate on OD 12c is very well described …
Docker, Oracle Images and Cloud
May 24, 2017
Architecture, Cloud, Containers, Continuous Delivery, Microsoft Azure, Oracle WebLogic Server
No Comments
Overview Oracle is embracing Docker – just like many other companies – as the de-facto standard in Container technologies. It has resulted in the certification of various Oracle products …
Development and Runtime Experiences with a Canonical Data Model Part I: Standards & Guidelines
Introduction In my previous blog I’ve explained what a Canonical Data Model (CDM) is and why you should use it. This blog is about how to do this. I …
Development and Runtime Experiences with a Canonical Data Model Part II: XML Namespace Standards
This blog is about XML namespace standards. Primary for using them in a Canonical Data Model (CDM), but also interesting for anyone who has to define XML data by …
Development and Runtime Experiences with a Canonical Data Model Part III: Dependency Management & Interface Tailoring
Introduction This blogpost is part III, the last part of a trilogy on how to create and use a Canonical Data Model (CDM). The first blogpost contains part I …
Single-Sign-On to Oracle ERP Cloud
More and more enterprises are using Single-Sign-On (SSO) for there on-premise applications today, but what if they want to use SSO for there cloud applications as well? This blog …
Oracle 12c STIG Password Generator in PL/SQL
January 24, 2017
AMIS, Cyber Security, Database, Databases, DBA Oracle, DevOps, Engineered Systems, ExaData, ODA, Oracle, Oracle 12, PL/SQL, SQL
1 Comment
![Oracle 12c STIG Password Generator in PL/SQL]({"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"http:\/\/seattletimes.nwsource.com\/ABPub\/2012\/08\/02\/2018836700.jpg","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"} "Oracle 12c STIG Password Generator in PL/SQL")
Creating or modifying an Oracle Database user password can be done by using any standard password generator you can find on the WEB. But I wanted a password to …