Archives for Software Dev - Page 15
Kubernetes Networking
Three Guiding Principles Networking Use Cases Within Same Pod - Just Use Localhost On Same Node – Pod to Pod – Use Bridge Networking On Different Nodes –…
Kubernetes components
Master aka Control Plane API Server Cluster Store (Store State) Scheduler Controller Manager Kubectl (CLI) interacts with the API Server API Server Cluster Store Scheduler – Pod Affinity (two…
kubernetes controller components
Controller components There are two main components of a controller: Informer/SharedInformer and watches for changes on the current state of Kubernetes objects and sends events to Workqueue where events are…
From Chrome, clear a specific site’s cached content
Type chrome://settings Basically, go into the advanced tab on the ‘clear browsing content’ – and pick ‘Site Settings’
Azure Cosmos DB
Azure Cosmos DB is Microsoft's globally distributed, multi-model database service. With a click of a button, Cosmos DB enables you to elastically and independently scale throughput and storage across any…
YAML syntax
The synopsis of YAML basic elements is given here: Comments in YAML begins with the (#) character. Comments must be separated from other tokens by whitespaces. Indentation of whitespace is…
Centralized databases versus Blockchain
Where Blockchain may not be a solution What non-monetary projects generally need, is a centralized, upgradeable and scalable system. Each of these needs is made greatly more difficult when utilizing…
ipconfig–virtual ethernets and real ethernets, docker networking daemon
When you run docker on your local host, you get a NAT network for free. This comes with a private address space. To view the details of this network, just…
Publishing to WordPress Blog Fails with 404 or 406 error
Resolution 0 Make sure there isn't a blank line as the first line of your wordpress post. This is a security exception and the post will not be published (via…
Firewall Rules using Powershell
I had to test something out where I needed to make sure the right ports were not being blocked by the windows firewall. In this example, I use port 8080.…