Altair makes software for local high-performance computing systems and also provides HPC services through the cloud. We asked Bill Nitzberg, CTO of Altair's PBS Works division, about the changing market and the relative benefits of cloud versus local HPC.
A graph database can identify the really important relationships on a social web, find the shortest paths, and optimize visitor flows. We compare some leading open source graph database options.
Set up your own network attached storage system with minimum effort with the help of FreeNAS. Thanks to the ZFS filesystem, you have more flexible storage, which you can also provide via iSCSI.
You can easily archive email and attachments, thereby saving overhead and money. This article shows various approaches that use built-in tools on Linux and FreeBSD.
Generations of web admins have used phpMyAdmin or SQL Buddy to communicate with their databases. Newcomer Chive has the potential to send the legacy tools into early retirement thanks to its state-of-the-art Ajax interface and impressive feature scope.
The best way to stop an attack is to think like an attacker. We'll show you how to use the Metasploit framework to create a malicious payload that escapes antivirus detection..
Sure, you could pay for cloud services, but with GlusterFS, you can take the idle space in your own data center and create a large data warehouse quickly and easily.
As a low-budget alternative to SAN and clustering, companies can use a combination of image backups and virtualization to quickly and easily restore a server after a hardware crash. Windows administrators will find help for this task in the form of ShadowProtect from StorageCraft.
In addition to introducing extra security measures, htaccess lets you add some fantastic features to your website without having superuser access to the main configuration files of the web server.
If you want to provide webmail for an IMAP server and need a groupware component on top, Horde may be exactly what you are looking for – especially if you want a web mailer that you can access with your smartphone.
Windows administrators: Expand your horizons and opportunities with Unix commands via Cygwin. We show how to use Cygwin's extensive list of Unix utilities for scripts, maintenance, compatibility, and automation.
The selection of various HPC storage solutions is one of the most pressing issues in HPC, requiring research, study, and planning to be effective, which usually means understanding how your applications perform I/O. We present some techniques for examining I/O patterns in HPC applications.
Logging frameworks are a good idea, even for DIY scripts, because they allow programmers to redirect program messages to logfiles. Python developers can turn to the logging module described here.
Linus Torvalds's Git more or less conquered the version management scene overnight. For collaboration in a team, you can easily set up your own Git server to store your repositories. We describe two approaches in this article.
Testing the system landscape for compliance requirements is not typically an administrator's favorite task. The fairly new open source framework called OpenSCAP helps take some of the pain out of this chore.
