Cron, not as easy as expected?
Few days ago I was confronted with the situation that a refresh job failed. The job is supposed to run every Saturday morning at 07:00, but failed due a …
Category: Tools
Building a high-performance API using GPT-4
March 11, 2024
Technology, Artificial Intelligence (AI) and LLM, Software Engineering, Tools
No Comments
Can the power of GPT-4 be leveraged to build a high-performance API? In this article we will instruct GPT-4 to build a high-performance API in GoLang using Protocol Buffers …
How to install Bitwarden with added security in AWS
Introduction I used LastPass for several years, and it helped me a lot to access my passwords and secrets on any moment, from multiple devices, in a secure way. …
How to run Jenkins with Chrome from a Docker container
In this blog I will show you how to run a Jenkins agent that can use chrome from a docker container. The Dockerfile and docker-compose.yml file are explained in …
Review: Greenshot, Easy tool for screenshots
Is it possible to make something simple as making a screenshot easier? Yes, I have been using the free and open-source tool Greenshot for the past year. And I …
OWASP ZAP: A quick introduction to a versatile open source DAST tool
OWASP ZAP (Zed Attack Proxy) is an open source dynamic application security testing (DAST) tool. It is available here and has a website with documentation here. I recently encountered it when looking …
Automating actions on Windows – my first steps with AutoIt
I recently spent quite some time on getting to know Playwright – a great tool for automating virtually any operation performed in a browser. Playwright is great for automating …
Python: A Google Translate service using Playwright
There are a lot of use-cases in which you might want to automate web-browser actions. For example to automate tedious repetitive tasks or to perform automated tests of front-end …
How to dynamically Schedule EM Blackouts after PatchTuesday
November 7, 2020
Enterprise Manager, AMIS, DBA Oracle, PL/SQL, Platform Technology, Tools
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In the organization I’m currently working for, the OS-patch schedule depends on PatchTuesday (PT) just as Microsoft, Adobe or Oracle are using. And PatchTuesday is, as you all know, …
ADF Performance Monitor: New Introduction Video (3:40)
Are you unable to pinpoint frustrating blind spots and recurring problems in your ADF application? This video gives a quick introduction of the features of the ADF Performance Monitor, …
ADF Performance Monitor: Thread Wait and Blocked Time
Last week we had a new version of the ADF Performance Monitor available – version 9.5. In this blog I will write on one of the new features; thread …
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 …
HTTP benchmarking using wrk. Parsing output to CSV or JSON using Python
wrk is a modern HTTP benchmarking tool. Using a simple CLI interface you can put simple load on HTTP services and determine latency, response times and the number of successfully …
ADF Performance Monitor brings performance improvements and Insight at Intris
January 9, 2019
Oracle Application Development Framework, Performance and tuning, Technology, Tools
No Comments
Intris is the leading Belgian provider of freight forwarding, customs and warehousing management solutions. Headquartered in Antwerp, Intris provides its integrated software and cloud-based solutions to logistics services providers …
Jenkins 2.0 pipeline: Scripting active parameters for SCM
Last year I got introduced to the new features 2nd generation Jenkins at a workshop of CloudBees . This year I got also the opportunity to discover them in practice. One of …
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 for example an IDE from a Docker container, can …
ADF Performance Monitor: Monitoring with Percentiles
What is best metric in performance monitoring – averages or percentiles? Statistically speaking there are many methods to determine just how good of an overall experience your application is providing. …
ADF Performance Monitor – Major New Version 7.0
We are very happy to announce that a major new version 7.0 of the ADF Performance Monitor will be available from May 2018. There are many improvements and major …
ADF Performance Tuning: Avoid a Long Browser Load Time
It is not always easy to troubleshoot ADF performance problems – it is often complicated. Many parts needs to be measured, analyzed and considered. While looking for performance problems …
Change UUIDs in VirtualBox
If you are anything like me you will have multiple virtualboxes running on your system. Sometimes you might want to run a copy of a virtualbox for different purposes. …
6 surprising things you can do with Google search
Next the normal Google search you can use this search box for a lot more things. This search box is often the first place where you type when you want …
XL Deploy: Inception of legacy processes using the rule system
My first article I wrote about controlling deployment sequence by artifact type extensions and modifications.That way, the deployment process itself was still completely left over to the capabilities within …
A Short Note on Pesky CSSCAN Results Before a Characterset Change
A client of mine was busy correcting one of his development streets and therefore the NLS charactersets of about 10 11.2.0.4 EE databases had to be changed. Most of …
Sonatype Nexus: Delete artifacts based on a selection
Sonatype Nexus provides several mechanisms to remove artifacts from the repository. You can schedule a job to keep only specified number of the latest releases (see here). You can …
XL Deploy: Simple Case of Custom Deployment
The last couple of months I have been assigned to a project dedicated to deployment automation including several levels and types of technologies: database, middleware, services and portals. The …
ADF Performance Monitor: Support for EJB/JPA (EclipseLink)
Not all Oracle ADF projects are built with ADF Business Components (ADF BC). Some organizations prefer to use EJB/JPA (EclipseLink) instead of ADF BC. The EclipseLink JPA provides developers with …
ADF Performance Monitor: Measuring Network Time to Browser and Browser Load Time
Recently we added a great new feature to the ADF Performance Monitor: network and browser load time information. Now you know exactly every end-user experience of your ADF application, …
Sonatype Nexus: Retrieving artifacts using the REST API or Apache Ivy
– This blog post was also published on http://www.sonatype.org/ – Sonatype Nexus is an often used artifact repository. In a previous blog post I have shown an example how Maven …
Creating Intuitive & Interactive Dashboards with the ADF Data Visualization Components
December 18, 2014
Oracle Application Development Framework, Software Development, Technology, Tools
No Comments
Last week I presented at the UKOUG’14 conference on creating intuitive & interactive dashboards with the ADF Data Visualization Components. Frequently end-users are overwhelmed with too much and confusing information displayed …
The caveats of running .sql scripts with GUI tools
One of my pet peeves is people using GUI tools like Toad or SQL Developer while running release scripts on test, acceptation or production systems. Actually, pet peeves is …
Bulk authorizing Oracle Unified Directory (OUD) users by adding them to OUD groups from the Linux/Unix Command Line
When using Oracle Unified Directory (OUD) as an identity store, it is in some occasions needed to add OUD users to OUD groups by hand. When you have to …
Using Maven to assemble and release artifacts to Nexus
An important part of a release process is storing artifacts in an artifact repository. Many customers use custom implementations of artifact repositories (such as file shares in combination with …
FTPS with PL/SQL
Doing a FTP-job with PL/SQL is not difficult. A basic implementation of RFC 959 can be written in a few hundred lines. See for instance ORACLE-BASE, How to FTP …
Monitor Dell PERC when running on Oracle Virtual Server 3.x
In this article I will try to explain how to monitor your Dell Raid Controller with Cloud Control when running Oracle Virtual server 3.x (OVS3.x). Some time ago a …
ADF Performance Monitor: Measuring Slow Network Time
Recently I was implementing the ADF Performance Monitor at a customer site and doing a detailed performance analysis. This customer had severe (and less severe) performance problems but was …
Troubleshooting ADF ViewObject Range Paging Issues
ADF BC ViewObjects provide a very valuable mechanism to page through large data sets so that a user can navigate to a specific page in the results. Range Paging …
ADF Runtime Diagnostics: Instrumenting your ADF Application – Part 2
In a series of blog articles I show how you can instrument your ADF Application key actions. Instrumenting gives visibility and insight of what is happening inside the ADF application …
ADF Runtime Diagnostics: Instrumenting your ADF Application – Part 1
In a series of blog articles I will show how you can instrument your ADF Application key actions. Instrumenting gives visibility and insight of what is happening inside the ADF …
ADF Performance Monitor: Detecting and Analyzing a High ADF BC Memory Consumption
Like other web applications, Oracle ADF applications potentially use a lot of JVM memory. Many times, the root cause of a high memory usage is that application data retrieved …
JavaOne 2013: Java Mission Control
October 6, 2013
AMIS, Development Tools, Java, Oracle, Oracle 12, Oracle WebLogic Server, Software Development, Software Engineering, Tools, Web HTML5 CSS3, Web/Java
1 Comment
The convergence project between Oracle’s JVMs JRockit and Hotspot is making significant progress. Included in the latest Java 7 JDK update (‘7u40’) is a new powerful monitor tool: Java Mission …