Oracle Database: Zoning Conundrum
The Oracle Database has long and complicated relations with time-aware data. It has gotten even more interesting in the internet era and global data processing. As usual, it's a story about how a single line of code at the design time could save many work hours in maintenance.
A Shell Tricks: Session Color Coding
The best way to understand what server you deal with is color-coded command line prompts. Different Shell interpreters and different terminals offer different commands and capabilities, but modern server-side world is extremely Linux centric, where the BASH dominates the market.
Maintaining Oracle HTTP instances
The Oracle HTTP Server (OHS) is essential to any large Oracle Fusion Middleware environment. And despite the most common description for that product being "Apache HTTP server with custom modules," it's not as simple as it sounds. Let's walk around and take a look at how it's made.
A Shell Tricks: Forwarding X session
I use MobaXterm as my primary terminal client. Besides some excellent features, it has a selling point - the built-in X server. Yet you may still be in a position where you can't just forward your X windows to your local machine and have to make some extra steps.
Oracle OCI: It has queues!
Oracle OCI and Amazon AWS are similar and different at the same time. Yes, at the very basic, they offer you the same services - cloud infrastructure to run your workload, but AWS always dominated by the broad set of tools, features, and capabilities if you compare them by dozens.
A Shell Tricks: Dash-Minus Fuss
All *nix systems are similar to ogres and onions - they all have layers. System layer, user layer, core commands with the neanderthal accessory lines. It adds to neverending fun. Command-line warriors should memorize all kid of argument notations and formats for the most common tools.
Conda: Environment configuration
With a high probability, you own a powerful computing device that could be used as a standalone system for developing, debugging, and testing applications. And it would be a good idea - to use virtual environments to limit cross-project dependencies and keep your OS package list under control.
Pandoc: My Missing Tool
With the "everything as a code" approach, it's natural to treat documentation as a code and use the same source code management and delivery techniques. I know how to create and deliver documents. And now I found my missing link, static content generator - pandoc.