Zimbra Desktop


Zimbra DesktopZimbra DesktopZimbra announced Zimbra Desktop today. What is it? Good question. Basically, it is Zimbra Server stripped down to run on your desktop... that will sync with your account on a Zimbra Server and download all of your email, contacts, and calendars... for offline reading.

I guess they could have created a completely new email client but they opted to have you run a local web server/service and connect to it with your browser (port 7366 by default). More...

CentOS 5 Beta

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Install CD BootInstall CD BootI discovered that CentOS announced a public release of CentOS 5 beta this morning. I quickly downloaded the 6 .iso images for the CDs and gave it a spin. The DVD iso is only available via .torrent and I can't do bittorrent at work.

Added to this release are package sets for:

Follow along with me as I do installs on both a physical machine and in VMware. Feel free to go directly to the screenshot gallery.

mod_cband to the Rescue


status pagestatus pageThe problem: A webserver with a lot of files that are to be public... and the public is downloading too much, too fast, too often... in what seems to be a malicious fashion... especially since everyone seems to be using multi-threaded download accelerators.

Solution: mod_cband

Read more for a better explanation of the problem and the steps needed to install mod_cband.

Taking QEMU for a Spin

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QEMU in actionQEMU in actionHave you tried QEMU? I must admit that I hadn't really tried it until recently... although I have used VMware and Parallels. Supposedly Xen and the new KVM both draw from QEMU code. What is QEMU? Obligatory quote from the QEMU wikipedia entry:

QEMU is free software written by Fabrice Bellard that implements a fast processor emulator, allowing a user to simulate a complete computer system within another one. It is similar to projects such as Bochs, VMware Workstation and PearPC, but has several features these lack, including increased speed on x86, and support for multiple architectures in-progress. By using dynamic translation it achieves a reasonable speed while being easy to port on new host CPUs.

I'm not sure why that says that QEMU is faster than VMware, because it isn't... but QEMU can emulate several different CPU families other than just x86. Read on if you want to hear about my experience installing Windows XP SP2 from an .iso file.

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