How do I check core hour usage for my project(s)?

There are a couple of ways to do this.

Allocations for the computational resources on KSL systems are managed using a tool called "sbank." Users have access to this system via the "sb" command:

$ sb <project-id>

From the website, you can check your project allocation and usage as graphs from the My KSL menu (must login first). 

Project Monthly Usage - display the number of core hours consumed for each month of the duration of the project.

Project Remaining Core Hours - show total core hours per project member, plus core hours remaining.

Please note that the website graph data is only collected once per day, so will not be absolutely up to date. Also, the data is generated in a different way from the "sb" command, so the numbers don't always match exactly.