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April 16, 2013 – 12:39 pm |

Imagine you have an HPC cluster with a hundred compute nodes named node001-node100. The two commands below will help you generate a list of node names – either all name on one line or one name per …

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Articles tagged with: configuration

Shell Scripting for HPC Clusters, Part 2

October 23, 2009 – 12:30 pm |
Shell Scripting for HPC Clusters, Part 2

This is the second installment of a multipart guide for beginner Unix sysadmins supporting HPC clusters. You can view the first part of the guide here.
Searching, Replacing, Comparing
Try to work with a large cluster and …

Shell Scripting for HPC Clusters, Part 1

October 10, 2009 – 12:59 am | One Comment
Shell Scripting for HPC Clusters, Part 1

This is the first installment of a multipart guide for beginner Unix sysadmins supporting HPC clusters.
“For” and “While” Loop Constructs
The main challenge of supporting a Linux cluster is ensuring a homogeneous environment. Aside from small …

Improving WordPress Performance

May 4, 2008 – 12:39 pm | 8 Comments
Improving WordPress Performance

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 …

Installing and Configuring Ganglia

March 25, 2008 – 4:19 pm | 17 Comments
Installing and Configuring Ganglia

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. …

Cygwin X-server configuration

December 6, 2005 – 12:12 am | 6 Comments
Cygwin X-server configuration

To connect with Cygwin to a Unix X-server in XDMCP-broadcast mode, create a shortcut as shown below. In the target field enter:

Basic Network Configuration Under Solaris

November 26, 2005 – 1:27 pm | 7 Comments
Basic Network Configuration Under Solaris

The following document provides a general overview of the network configuration process for Solaris. For a detailed review of Solaris network configuration please see Chapter 4 of the O’Reilly Solaris 8 Administration Guide by Paul …

Install PHP, Mysql, Apache2 on Solaris 9

November 21, 2005 – 11:05 am | 2 Comments
Install PHP, Mysql, Apache2 on Solaris 9

A sample procedure for installing PHP, MySQL and Apache2 on Solaris 9.

Apache MySQL PHP Solaris 8 Installation

November 21, 2005 – 11:03 am | 7 Comments
Apache MySQL PHP Solaris 8 Installation

A sample procedure for installing PHP, MySQL and Apache2 on Solaris 8.