Category Archives: Programming

Raspberry Pi bash Scripting

Raspbian’s default shell environment is bash. What does that mean? It means that the command line environment you use on the Raspberry Pi (assuming you are running Raspbian) speaks bash. Other shells are installed on the Raspberry Pi but you have to specifically call them. A good first bash script to write is the typical… Read More »

SAS Tutorial 7 (Size Matters) [2018]

SAS University Edition is a great place to learn about SAS. However, it does not have the capability to analyze big data. SAS 9.4, the commercial version of SAS, has that ability. But how much will SAS University Edition handle? Using data sets I made for testing purposes, the largest data set I could use… Read More »

SAS University Edition and VirtualBox Issues

When I upgraded to VirtualBox 5.2.8 I lost the connection to the path “folders/myfolders”, but was able to use another path as a work-around. Now I am unable to get that path to work and I am searching for answers to this problem. My next attempt is to revert to an older version of Oracle… Read More »

SAS Tutorial 8 (Common SAS University Problem) [2018]

When you install SAS University Edition or sometimes after an update you get the following error message in VirtualBox. My Youtube video entitled Common SAS University Problem [2018] shows how to diagnose this problem and fix it. To fix this error you are forced to change some settings in your computer’s UEFI/BIOS system. Start by… Read More »