Podcast: News to know midday: Mainstreaming Linux; Office exploit fix; Wall-mounted data centers

On today's podcast:

• Can Linux go mainstream? Adrian Kingsley-Hughes analyzes the five things the Linux community needs to know about users. In addition, Dell outlines the technical details of including Ubuntu on desktops.
• Ryan Naraine reports that Microsoft has released a file conversion tool that stops exploits rigged into .doc, .xls and .ppt files from infecting Office 2003 users
• And David Berlind checks out a wall-mounted data center.

Also as a programming note, this podcast is now available on iTunes. All ZDNet podcasts can be found on this page.