I was asked recently to find a low cost setup for a small software development company (about 30 people) for their infrastructure that had growth potential. I came up with the following: – One server running Open-E DSS software SAN/NAS: This holds 12 1TB disks in a raid 10 mirror and shares out the disks…
The Palm Pre continues to amaze me. It took 15 minutes to tether my laptop (I am tethered as I write this) to the Pre. The key application is http://forums.precentral.net/homebrew-apps/191213-my-tether-tether-over-wifi-usb-bt.html which enables you to tether the laptop to the Pre via the Pre’s Wifi (open access point or via USB (a lot more secure and…
Shell scripting is one of the offerings as Fall semester is almost upon us. Time to sign up for classes :). I will be teaching the shell scripting community college class. This is in person, so only relevant to those willing to be in Mesa two nights a week for 8 weeks. We also have…
[http:www.ABLEconf.com/|ABLEconf] has [http:www.ABLEconf.com/press_releases/2009Jul29.html|announced] its 2009 Phoenix date and location. The Arizona Business and Liberty Experience ([http:www.ABLEconf.com/|ABLEconf]) is a conference organized to promote ways to leverage the use of free and open source software, such as Linux, Firefox and OpenOffice.org, in wide variety of settings. Planned tracks will discuss how to use open source in SMBs,…
A while back I wrote about using Apache as a dynamic reverse proxy. Anyone who has done even minimal research into web servers knows that Apache is the swiss army knife. It trys to be everything for everyone, and like a swiss army knife may not be as good as a more refined too at…
System performance analytics seems to be a frequent question on forums and mailing lists. Finding out why something is slow is generally nontrivial as there are many factors to consider. I have found the sysstat package to be an invaluable tool when looking at system performance. Specifically the command sar gives a wealth of information….
Last night’s presentation was Ryan Matteson (“Matty”) talking about KVM. If you missed it, there’s more info here, including slides.
When I taught at SCaLE U back in February, I promised my students that I’d post my presentation notes on lopsa.org — a promise I forgot until reminded just recently (thanks, Brad!). So without further ado, I’ve attached PDFs of my slides. A lot has changed in the world of Fedora DS since these slides….
Last month’s Atlanta Linux Enthusiasts’ presenter, Michael H. Warfield, has posted the slides from his talk “The Brave New World of IPv6.” http://www.wittsend.com/mhw/2009/IPv6-BNW-ALE-2009.odp http://www.wittsend.com/mhw/2009/IPv6-BNW-ALE-2009.ppt http://www.wittsend.com/mhw/2009/IPv6-BNW-ALE-2009.pdf Tonight’s topics (7:30pm, Emory University) are: “A Demo of the Opensuse Build Service (OBS)” with Greg Freemyer – plus – “A Premier of the ALE OSPREX Deck” with Stephen R….
I’ve started using Nagios Checker plugin for Firefox, which puts a little Nagios status indicator into the bottom right corner of your Firefox status bar. A green “no problem” if there is no problem, or an alert indicator if there are issues. You don’t have to be in your Nagios window or look at it…