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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: Data

How to Really Kill Computer Viruses

February 21, 2010 – 6:34 am | 13 Comments
How to Really Kill Computer Viruses

How do you know if your computer has a virus? Is it connected to the Internet? Then it has a virus. Many computer viruses and other malicious applications are very resilient and will actively resist any attempts to deactivate and remove them. Some viruses can even delete your antivirus application or prevent it from working properly. Many viruses cannot be effectively removed once they are loaded in memory and active.

Copying Data: Are We There Yet?

December 27, 2009 – 7:12 pm | 3 Comments
Copying Data: Are We There Yet?

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.

Remove Duplicate Posts in WordPress

December 5, 2009 – 10:28 pm | 11 Comments
Remove Duplicate Posts in WordPress

Below is the SQL script that will attempt to identify and remove duplicate posts in your WordPress database. This script can be useful for autoblogging. If you use plugins like WP-o-Matic to pull full-text RSS …

Protected: Notes on Electronic Security

February 7, 2006 – 12:05 pm | Enter your password to view comments.
Protected: Notes on Electronic Security

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Find largest files

November 19, 2005 – 11:17 pm | 3 Comments
Find largest files

How to find the largest files in the directory tree on Solaris.

Unix Files Transferred To CD

November 19, 2005 – 10:40 pm |
Unix Files Transferred To CD

In our example we were requested to archive a 741 mb directory to CD. The source data resided on a Unix data server.