A while ago I ran into an issue where I wasn’t able to SSH into a server due to: The solution, in my case, involved […]
Python, Virtualization, Windows
Run kivy on VirtualBox Windows Guest
You may run into some OpenGL issues while trying to run your Kivy app in your VirtualBox Windows VM. Your Command Line (CMD) may display […]
Scripting, UNIX/Linux, Virtualization
OpenShift PVC Mount failure: already contains mpath_member
A while ago, the VMs that hosted my OpenShift platform were rebooted. For most of it, all nodes and containers came back gracefully. However, there […]
Scripting, UNIX/Linux, Virtualization
OpenShift system:admin requires credentials
As outlined in this issue, you may run into a problem where you want to log into the OpenShift cluster as system:admin from one of […]
UNIX/Linux, Virtualization
Docker image pull timeout in OpenShift during build or deploy
The default time that OpenShift waits to pull an image during a build or deploy may not be long enough, especially if your images are […]
Scripting, UNIX/Linux
Mount exfat USB drive in Fedora
You may be running into a problem trying to mount an exfat USB drive for the first time in your Fedora OS: You will need […]
Database, Hacks, MongoDB, UNIX/Linux
Compile and install MongoDB on Raspberry PI
A 32 bit version of Raspbian is currently the most common OS that runs on a Raspberry PI. RPI 3 comes equipped with a 64 […]
Database, Java, MongoDB
MongoDB ClassCastException with new GridFS API
Starting with the MongoDB Java API 3.1 a new GridFS API has been added. It is available under the com.mongodb.client.gridfs package. If you are building […]
.NET, C#, Windows
Handling Big Red X DataGridView
The reason why sometimes a grid control shows a big red X and stops working properly is because an unhandled exception has occurred during the […]
.NET, C#
targetNamespace issue with XmlSchemaSet
When attempting to validate your XML Document against a schema file in .NET, you might see the following error message: [System.Xml.Schema.XmlSchemaException] = {“The targetNamespace parameter […]