By using a simple bash script in Raspbian it is possible to update your Raspberry Pi software automatically. Move to the directory where you store your scripts then use nano to start making a new file. $ cd ~/Code $ nano update.sh Copy/paste the following code into the file then save it. #!/bin/bash sudo apt-get… Read More »
This tutorial demonstrates how to install a program (called a package in Linux) on your Raspberry Pi. Z shell is an extension of the Bash shell and is not included in Raspbian. Since it is not included it makes a good package to start with. Packages don’t have spaces in their names so a little… Read More »
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 »
Making a file executable one of the most common tasks needed for programming on a Raspberry Pi. Follow along by setting up your Raspberry Pi… Inside my home directory I have made a subdirectory named Examples. Move to your home directory by entering the following command. $ cd Next, create the directory Examples and move… Read More »
Updating your Raspberry Pi is easy and can be performed in a few simple steps. First a few details: In Linux, software is referred to as packages. Most Raspberry Pi users don’t strictly stick to this terminology and use software, applications or apps to mean the same thing. Any of these terms get the meaning… Read More »
I use the Python code below to get the temperature of my Raspberry Pi CPU and publish it using Apache. It is a simple block of code that ascertains the temperature of the CPU and writes it, along with the current time, to a text file. Comments in the code provide more details. #import modules… Read More »
I submitted the following to start the update procedure on my Raspberry Pi running Ubuntu Mate. sudo apt-get update It returned: Could not get lock /var/lib/apt/lists/lock – open (11: Resource temporarily unavailable) The fix was easy to perform but easy to forget as well: I navigated to the directory mentioned in the error message and… Read More »
SAS Tutorial 10 (Using data.world Data and SAS Dates) [2018] uses data from the data.world web site. It is a great place to find free data sets for projects or just for programming practice. I discuss SAS dates from a high level but will cover them again as they need their own tutorial. The code,… Read More »
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 »
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 »