0 Minikube on Windows. Hyper-V vs Vagrant/VirtualBox
Kubernetes is a system for running and coordinating containerized applications across a cluster of machines. Minikube runs a single-node Kubernetes…
Author Maarten Smeets
Maarten Smeets
Maarten is a software architect and Oracle ACE. Over the past years he has worked for numerous customers in the Netherlands in developer, analyst and architect roles on topics like software delivery, performance, security and other integration related challenges. Maarten is passionate about his job and likes to share his knowledge through publications, frequent blogging and presentations.
2 JVM performance: OpenJ9 uses least memory. GraalVM most. OpenJDK distributions differ
In a previous blog post I created a setup to compare JVM performance of several JVMs. I received some valuable…
5 Comparing JVM performance; Zulu OpenJDK, OpenJDK, Oracle JDK, GraalVM CE
There are many different choices for a JVM for your Java application. Which would be the best to use? This…
0 Monitoring Spring Boot applications with Prometheus and Grafana
In order to compare the performance of different JDKs for reactive Spring Boot services, I made a setup in which…
0 Running Reactive Spring Boot on GraalVM in Docker
GraalVM is an open source polyglot VM which makes it easy to mix and match different languages such as Java,…
0 Docker host and bridged networking. Running library/httpd on different ports
Docker provides different networking options. When using the Docker host networking, you don’t have the option to create port mappings.…
0 Running Spring Tool Suite and other GUI applications from a Docker container
Running an application within a Docker container helps in isolating the application from the host OS. Running GUI applications like…
3 Automate the installation of Oracle JDK 8 and 10 on RHEL and Debian derivatives
Automating the Oracle JDK installation on RHEL derivatives (such as CentOS, Oracle Linux) and Debian derivatives (such as Mint, Ubuntu)…
0 VirtualBox networking explained
VirtualBox networking is extremely flexible. With this flexibility comes the challenge of making the correct choices. In this blog, the…
1 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…
12 SOA Suite 12c in Docker containers. Only a couple of commands, no installers, no third party scripts
For developers, installing a full blown local SOA Suite environment has never been a favorite (except for a select few).…
0 Running Spring Boot in a Docker container on OpenJDK, Oracle JDK, Zulu on Alpine Linux, Oracle Linux, Ubuntu
Spring Boot is great for running inside a Docker container. Spring Boot applications ‘just run’. A Spring Boot application has…
0 Application Container Cloud Service (ACCS): Using the Application Cache from a Spring Boot application
Spring Boot allows you to quickly develop microservices. Application Container Cloud Service (ACCS) allows you to easily host Spring Boot…
3 Java: How to fix Spring @Autowired annotation not working issues
Spring is a powerful framework, but it requires some skill to use efficiently. When I started working with Spring a…
0 Automate calls to SOAP and REST webservices using simple Python scripts
Probably not many people will tell you running batches over webservices is a good idea. Sometimes though, it can be…
2 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?…
0 Getting started with Oracle Database in a Docker container!
One of the benefits of using Docker is quick and easy provisioning. I wanted to find out first-hand if this…
2 10 reasons NOT to implement Blockchain now
A secure distributed ledger with smart contract capabilities not requiring a bank as an intermediary! Also a single source of…
0 Quickly create a Virtualbox development VM with XE DB using Kickstart, Packer, Vagrant
The topic of quickly creating an Oracle development VM is not new. Several years ago Edwin Biemond and Lucas Jellema…
0 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…