Featured »

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 …

Read the full story »
Networking

Unix and Linux network configuration. Multiple network interfaces. Bridged NICs. High-availability network configurations.

Applications

Reviews of latest Unix and Linux software. Helpful tips for application support admins. Automating application support.

Data

Disk partitioning, filesystems, directories, and files. Volume management, logical volumes, HA filesystems. Backups and disaster recovery.

Monitoring

Distributed server monitoring. Server performance and capacity planning. Monitoring applications, network status and user activity.

Commands & Shells

Cool Unix shell commands and options. Command-line tools and application. Things every Unix sysadmin needs to know.

Home » Archive by Tags

Articles tagged with: Security

Security: The beauty of … malware reverse engineering

February 25, 2013 – 11:28 am | 2 Comments
Security: The beauty of … malware reverse engineering

February 17, 2013, 4:35 PM — While reverse engineering malware may not be something you’ve ever even considered, after a three day class, I can say that, yes, it’s difficult, but also that it’s …

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.

WordPress Directory Listing Risk

June 11, 2009 – 11:36 pm | 4 Comments
WordPress Directory Listing Risk

A large number of WordPress directories do not have an index file. This is particularly dangerous in case of the plugins directory. If your server allows directory listings, a potential attacker may see which plugins …

Useful Applications

October 30, 2006 – 8:07 am | One Comment
Useful Applications

There is a handful of small and usually free applications that can make your computera whole lot safer, faster, and more productive. The following is a brief overview of some of the most useful applications. …

Protected: Notes on Electronic Security

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

There is no excerpt because this is a protected post.