Letters
First off, I really did enjoy reading the article on replacing Microsoft Exchange with Linux [“Understanding and Replacing Microsoft Exchange” by Tom Adelstein, LJ, February 2003]. The article didn't explicitly state you were trying to replace Microsoft Exchange 5.5, but it was obvious to me that was the version you were working with. Microsoft's Exchange 5.5 was limited in the total size of the database, but that has changed in Exchange 2000 and Titanium. Exchange 2000's Exchange Storage Engine has been rewritten to allow much larger database sizes, which would be limited only to the total capacity of the hardware on which the database would reside. Also, I fail to understand the reasoning of why IMAP was provided as a connection mechanism. IMAP will provide you with a way to preview the e-mail message. Does your DLL plugin to Outlook provide a way for the message to remain on the e-mail server?
—Chris Lynch, Network Engineer
Tom Adelstein's reply: Thanks for your thoughtful letter. I appreciate your detailed understanding of Exchange. It is quite impressive. Our goal at Bynari was to create an RFC-compliant platform that allowed Microsoft Outlook to run in corporate workgroup mode. In the case of Outlook 2002, we wanted to provide calendar sharing and delegation.
I have been a happy LJ subscriber for many years now. I am usually not one to complain about things but the articles written by Marcel Gagné are getting irritating. His French Chef schtick is getting VERY old and detracts from his articles. Please consider having him stop that and simply write informative articles.
—David Vohwinkel
It is with much interest that I have read your editorial on clustering the previously unclustered [From the Editor by Don Marti, LJ, February 2003]. I seem to be unable to convince the powers that be at some CAD and CAD/CAM firms that this is an option. Therefore, I would very much like to get information on how to make programs that are not enabled for cluster technologies to work with cluster hardware configurations.
—Darald
If you have one huge, slow process, you'll probably need to rewrite the software using a clustering library. However, if you need to make many processes cooperate, OpenMosix automatically will migrate some of them to idle nodes in the cluster. See openmosix.sf.net.
—Editor
Thank you for excellent article on screen(1) [“Power Sessions with Screen” by Adam Lazur, LJ, January 2003]. Please persuade Adam Lazur to write a couple follow-up articles to this introductory one. I'm already starving for more.
—Jari
In the March 2003 issue, there was an article on weblogs that led readers to believe that Geeklog is a fork of PHP-Nuke [“Building with Blogs” by Doc Searls and Dave Sifry]. Much respect needs to be given to PHP-Nuke for helping to spur the weblog phenomenon, and I think the article presented that respect. However, Geeklog is not a fork of PHP-Nuke. Also, the article should have mentioned www.opensourcecms.com. It has the most popular packages in a demo-able state for users to test them without having to download, install and configure.
—Tony Bibbs
Seth Schoen's column “Broadcast Flag: MPAA's Latest Attack on Linux” (LJ, March 2003) appears to be mistitled. Mr. Schoen did not provide evidence on the MPAA making any form of attack on Linux or on any free operating system in the article. On a side note, he wrote, “Reporters were barred from meetings, which had a $100-per-meeting admission fee.” Were reporters specifically barred or was it just that reporters would have to pay $100 per meeting?
—Jason
Seth Schoen replies: Magazine editors have little space available for titles, so I could see where they would feel the need to condense “Broadcast Flag: MPAA's Latest Attack on the Right to Use Free Software to Lawfully Make and Interoperate with Recordings of Copyrighted Audiovisual Works” (which is what I would have called it) to “Broadcast Flag: MPAA's Latest Attack on Linux”. Reporters were specifically barred from meetings; they tried to participate, and they were kicked out.
Realizing the promise of Apache® Hadoop® requires the effective deployment of compute, memory, storage and networking to achieve optimal results. With its flexibility and multitude of options, it is easy to over or under provision the server infrastructure, resulting in poor performance and high TCO. Join us for an in depth, technical discussion with industry experts from leading Hadoop and server companies who will provide insights into the key considerations for designing and deploying an optimal Hadoop cluster.
Sponsored by AMD
If you already use virtualized infrastructure, you are well on your way to leveraging the power of the cloud. Virtualization offers the promise of limitless resources, but how do you manage that scalability when your DevOps team doesn’t scale? In today’s hypercompetitive markets, fast results can make a difference between leading the pack vs. obsolescence. Organizations need more benefits from cloud computing than just raw resources. They need agility, flexibility, convenience, ROI, and control.
Stackato private Platform-as-a-Service technology from ActiveState extends your private cloud infrastructure by creating a private PaaS to provide on-demand availability, flexibility, control, and ultimately, faster time-to-market for your enterprise.
Sponsored by ActiveState
| Speed Up Your Web Site with Varnish | Jun 19, 2013 |
| Non-Linux FOSS: libnotify, OS X Style | Jun 18, 2013 |
| Containers—Not Virtual Machines—Are the Future Cloud | Jun 17, 2013 |
| Lock-Free Multi-Producer Multi-Consumer Queue on Ring Buffer | Jun 12, 2013 |
| Weechat, Irssi's Little Brother | Jun 11, 2013 |
| One Tail Just Isn't Enough | Jun 07, 2013 |
- Speed Up Your Web Site with Varnish
- Containers—Not Virtual Machines—Are the Future Cloud
- Linux Systems Administrator
- Lock-Free Multi-Producer Multi-Consumer Queue on Ring Buffer
- RSS Feeds
- Senior Perl Developer
- Technical Support Rep
- Non-Linux FOSS: libnotify, OS X Style
- UX Designer
- Web & UI Developer (JavaScript & j Query)
Featured Jobs
| Linux Systems Administrator | Houston and Austin, Texas | Host Gator |
| Senior Perl Developer | Austin, Texas | Host Gator |
| Technical Support Rep | Houston and Austin, Texas | Host Gator |
| UX Designer | Austin, Texas | Host Gator |
| Web & UI Developer (JavaScript & j Query) | Austin, Texas | Host Gator |
Free Webinar: Hadoop
How to Build an Optimal Hadoop Cluster to Store and Maintain Unlimited Amounts of Data Using Microservers
Realizing the promise of Apache® Hadoop® requires the effective deployment of compute, memory, storage and networking to achieve optimal results. With its flexibility and multitude of options, it is easy to over or under provision the server infrastructure, resulting in poor performance and high TCO. Join us for an in depth, technical discussion with industry experts from leading Hadoop and server companies who will provide insights into the key considerations for designing and deploying an optimal Hadoop cluster.
Some of key questions to be discussed are:
- What is the “typical” Hadoop cluster and what should be installed on the different machine types?
- Why should you consider the typical workload patterns when making your hardware decisions?
- Are all microservers created equal for Hadoop deployments?
- How do I plan for expansion if I require more compute, memory, storage or networking?




20 min 44 sec ago
43 min 3 sec ago
47 min 35 sec ago
3 hours 33 min ago
3 hours 50 min ago
5 hours 6 min ago
5 hours 55 min ago
5 hours 58 min ago
6 hours 7 min ago
6 hours 37 min ago