If you’ve been around IEEE for a long time, you remember when your email address ____@ieee.org was just an alias that forwarded all email to your actual email provider. However, in 2013 the IEEE partnered with Google to create an actual Gmail account for your IEEE email address. While the intent behind this benefit is …
How to Enable Multi Factor Authentication (MFA) on your IEEE Email Account Read More »
How to launch a Unity game downloaded via Steam on Linux.
Kickstart is a type of file that’s used to automatically install RedHat or CentOS Linux on a physical or virtual server. If you are managing more than a few servers, it’s a good idea to configure the servers via kickstart files instead of logging in and configuring each one manually. However, some unfortunate choices were …
Configure CentOS/RedHat VMs with Kickstart files on Virtualbox Read More »
“MySQL Server has gone away” is a cryptic error that can be hard to troubleshoot (look at all the various responses on Stack Overflow!) Many problems can cause this error; I would like to document one specific case. In this example, the client is a PHP app using the Phalcon framework: [Mon, 09 Apr 18 …
StackDriver Logging is a great feature of Google Compute Engine (GCE). You pretty much need a centralized logging solution if you are taking maximum advantage of the features offered by GCE. For example, most production applications will run on a cluster of web servers. If you set up the cluster as a managed instance group …
Viewing logs for a cluster of instances on Google Stackdriver Logging Read More »
UPDATE A new version of GROMACS (4.6 series) has been released since this post was written. Please try installing the latest version of GROMACS before attempting the steps in this post. Fixing GROMACS There is a bug in the do_dssp command in GROMACS 4.5.5 that prevents the analysis of secondary structure using DSSP . Attempting …
Getting DSSP to run with GROMACS 4.5.5 on Red Hat Linux Read More »
In my previous post about the Mini Maker Faire Orlando, I described some of the cool hardware that was on display. In this post, I’m going to describe some of the electronics available from local vendors. Electrimod Local vendor Electrimod (Clermont, FL) was on hand to showcase their pluggable modules for PIC microcontroller development. Basically, …
Tex Live For reasons unknown, a TeX Live package is not available for Red Hat Enterprise Linux/Centos 5 from the major repositories (EPEL or DAG). I consider this to be a glaring omission, since TeXLive is a great improvement upon teTeX. Since I don’t have time right now to package it myself, I installed TeX …
This post describes how to get GNU Octave up and running on a CentOS 5 Linux system for use in reading, processing, and writing video files. You will need to use the EPEL and DAG/rpmforge repositories, but I won’t explain how to do that here. NOTE: I had to go through some trial and error …
As this site has grown, the example code has gradually become unmanageable. I’ve posted snippets and fragments here and there over the years, and the original code is scattered in various locations across several computers. Further, as people have pointed out bugs or ways to improve the examples, I’ve had a hard time making changes. …