Xen technology is featured as a "paravirtualized guest," providing for efficiency in running a virtualized environment, George said.
Canonical's Vm-builder helps ISVs put together a software appliance, said analyst Brett Waldman at IDC. "In that respect, they're a leader in that Linux space," he said. In other respects, though, Canonical is middle-of-the-pack, said Waldman.
Java servlet capability based on Apache Tomcat is featured for running lightweight Java Web applications under Ubuntu Linux. "The importance of that is [if] you want to use Ubuntu to deploy a Java-developed app, then you can do that now. And particular, in a case where you need full Java EE (Enterprise Edition) capabilities," George said.
A client for the Landscape system management tool is bundled with the server release, offering reporting at each login. Mail server capabilities in the product provide for spam detection and virus filtering.
The tool chain for compiling Ubuntu has been updated with security features such as glibc functional call fortification. With this version of the Server platform, it is harder for bugs to be turned into exploited vulnerabilities,
Encrypted private directors are mounted when users log in. Sensitive data is kept secure even if a system is stolen, Canonical said.
An "Uncomplicated Firewall" feature makes it easier to manage a host firewall through the addition of application profiles, Canonical said. Services like apache and bind9 declare which ports they use so the administrator only has to enable a network service rather than a set of ports.
Also, RAID capabilities have been improved with support for SATA RAID controllers via DMRaid, and system administrators now can configure booting from a degraded RAI array.
Ubuntu's Linux distributions are free of charge, but Canonical does sell support services.
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