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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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Article Archive for April 2006

Creating large AIX JFS filesystems

April 21, 2006 – 12:01 pm
hard drive disk

A quick note on creating large JFS filesystems on AIX: if the filesystem is 64Gb or might be expanded to over 64Gb any time in the future, make sure the NBPI (Number of Bytes Per …

Monitoring Veritas VM problems on Solaris

April 20, 2006 – 4:41 pm
solaris-logo

Several Veritas VM and system logs can be used to monitor and diagnose problems with the Volume Manager. An automated script can be used to grab the last few lines from these logs whenever a …

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 …

Simple network monitoring with ping

April 11, 2006 – 10:12 am
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In the Spring of 2005 Comcast experienced a major DNS outage. Since then many Comcast users have switched to DNS servers that belong to Verizon and other ISPs. Comcast started taking a lot of flak …