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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 tagged with: Monitoring

Copying Data: Are We There Yet?

December 27, 2009 – 7:12 pm

I am sure this will sound familiar: you are copying a large amount of data – either locally or over the network – and you are wondering how long it will take and if there is a way to make things go faster.You may be surprised, but it does matter what type of files you are copying: 1Gb-worth of many small files will take considerably longer to copy than two 500Mb files. The hardware you are using is an important consideration, but it’s not the only factor limiting data transfer speed.

Improving WordPress Performance

May 4, 2008 – 12:39 pm
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WordPress is a great blogging engine and decent CMS. Unfortunately, most available WordPress themes- even those claiming to be “minimalist” – are bloated and slow to load. Heavy CSS stylesheets, multiple Java scripts, numerous graphics …

Filesystem Monitoring

April 21, 2008 – 11:43 am

Filesystem monitoring and notification tool for users.

Installing and Configuring Ganglia

March 25, 2008 – 4:19 pm
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Ganglia is a distributed performance monitoring application used primarily for tracking status of high-performance compute (HPC) clusters. Ganglia is a royal pain in the ass to install and configure even for a seasoned Unix sysadmin. …

Monitoring Veritas VM problems on Solaris

April 20, 2006 – 4:41 pm
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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 …

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 …

Protected: Notes on Electronic Security

February 7, 2006 – 12:05 pm

There is no excerpt because this is a protected post.

Using pkg-get on Solaris

December 13, 2005 – 12:27 pm
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Pkg-get Installation Notes
Pkg-get is an open-source,  Sun-approved software installation and management tool for Sun Solaris. You can use pkg-get to install a variety of pre-compiled software without having to worry about version compatibility, patch requirements, …

Solaris performance monitoring

November 28, 2005 – 4:47 pm
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The following is a brief overview of common performance monitoring tools for Solaris, including built-in tools, freeware add-ons, and commercial applications.
Souce: http://www.sunperf.com/perfmontools.html
Built-in Tools
vmstat
The vm in vmstat stands for Virtual Memory, of course. So let us …