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March 2, 2022 – 2:00 pm

Books have been written on the subject of awk and sed. Here’s a small sample of commands I put together over the years that are useful for everyday system administration tasks. Most of these tasks …

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Articles in GNUPlot

Timeline Plots with GNUPlot

April 13, 2006 – 10:52 am

GNUPlot is an open-source versitile data plotting and mathematical charting application. Timeline plot is the most common type of a plot you would generate. It also seems that it’s one of the more capricious features …

Using GNUPlot to chart MySQL data

November 20, 2005 – 12:17 pm
shell_0005

The following Korn shell function connects to a MySQL database and extracts specified data, which is then plotted as a function of time using GNUPlot.  Using correct syntax is critical. Note the use of single- …