List of Available Wiki Pages

  • NASA Advanced Supercomputing User Documentation ,Basic supercomputing FAQ (accounts, login, etc.) http://www.nas.nasa.gov/hecc/support/kb/3/ NAS Knowledge Base - lots of great information http://www.nas.nasa.gov/hecc/support/kb/
  • FAQ: Signing up on the Web Portal ,Q: What is the OpenID? A: OpenID is a single sign-on protocol that lets users register and login to OpenID enabled websites. OpenID allows the user to use an existing account to sign in to multiple websites, without needing to ...
  • NEX Portal How-Tos ,How to remove a member from your project: Click on 'Edit Project,' then 'Members,' then hit the 'Remove link' to the right of the member you want to remove. How to enable a Wiki: On your project page, click on ...
  • FAQ: Using the NEX Computing Resources ,Q. Why do I have to enter my password and other credentials twice when logging on to the supercomputer? The supercomputing environment is protected from abuse by non-authorized users with a two-factor authentication method. First, a user needs to log ...
  • Landsat SQLite on bridge nodes ,Introduction There is a temporary SQLite database that is accessible from the bridge nodes while we are bringing up MySQL, so that users can have a little better access to the Landsat data holdings. SQLite provides basic SQL interface and ...
  • NEX Loadable Modules ,The nex module tree contains provisional/beta modules for interested users. Note, most of these modules are built without aggressive optimizations and are geared more towards interoperability with each other. Many of these modules are "chained" together and the interoperability amongst ...
  • Mount OpenNEX Amazon Public S3 Buckets on an Amazon EC2 Instance ,This wiki shows the basic steps on how to mount a public Amazon S3 bucket (in our case the NEX datasets stored on S3 and available at s3://nasanex/) on an Amazon EC2 Instance. This wiki assumes that a user has ...
  • Code versioning with Git ,References As this Wiki doe not go too much beyond basics, here are some good references and examples for you to dig deeper and try out: The online version of the Pro Git book by Scott Chacon. The online Git ...
  • How do i use IDL ENVI to access data in NEX ,Q: What's IDL/ENVI IDL on Wikipedia ENVI on Wikipedia Q: Which version of IDL/ENVI is on the sandbox/Pleiades me@linux:> module avail idl me@linux:> module avail envi Q: How to load IDL/ENVI on the sandbox/Pleiades If you like to load specific ...
  • How to Launch an AWS EC2 Instance and Save that Instance as a Public AMI ,To learn more about how you can launch your own Amazon Web Services (AWS Elastic Compute Cloud (EC2) instance and save that instance as a public Amazon Machine Image AMI, please click the link below OpenNEX Video Tutorial In the ...
  • How to Access and Visualize Landsat GLS Data on AWS with Python ,This wiki explains the basic steps to set up Python and dependent software packages in order to read Landsat GLS data, which are in the GeoTiff format, on AWS. [Prerequisites] This wiki assumes that the user has basic knowledge on ...
  • Executing parallel jobs with qsub and pxargs ,Introduction/Background This is an introduction on how to use some of the NEX and NAS tools to easily parallelize your job execution on Pleiades. Applicability This is mainly applicable to running a set of jobs using the same executable, but ...
  • How to Access and Visualize MODIS Data on AWS with Python ,Coming Soon ..
  • How to Read NEX DCP30 NetCDF Files with Python on AWS ,This wiki explains the basic steps to set up Python and dependent software packages in order to read NEX-DCP30 data, which are in the netCDF format, on AWS. [Prerequisites] 1. This wiki assumes that the user has basic knowledge on ...