Monday May 03, 2010

Chime OSDEVCON Video

Now for some shameless self promotion. 

If you couldn't make it to OSDEVCON in Dresden last fall here's the video of my Chime presentation: http://blogs.sun.com/video/entry/introduction_to_the_chime_visualization


Wednesday Apr 01, 2009

A Subtle April Fool?

I use the Firefox add on "Server Spy".  It shows you what web server is serving up the web page that you are currently viewing.  Just a little bit of trivia I find interesting.  For example www.sun.com  shows "Sun-Java-System-Web-Server/7.0", IBM is "IBM_HTTP_Server", and www.apache.org  is "Apache/2.2.9 (Unix)" .  None of which should be a surprise.

My home page is www.google.com and it has always been served up by "gws". However, today the server has changed and it appears Google is now using IIS.  That's Microsoft's web server!  Server Spy reports "IIS/Clippy".  Earlier today I saw "IIS/Bob".

So what do you think, did Google see the light switch over to Windows and IIS?  :-)

 \*Update\* It seems that Google has seen the error of their ways and has already upgraded there server and they are now using "Netscape iPlanet".  Great choice guys!

Tuesday Feb 17, 2009

PittJUG Presentation

Tonight I will be presenting "Debugging Java Performance Issues" at the Pittsburgh Java Users Group.   Here is a rough draft of the presentation:

http://docs.google.com/Presentation?id=dfzxvg3f_20cd6m8jgd

Tuesday Jan 13, 2009

Pittsburgh OpenSolarsi User Group Meeting Tonight!

There is a Pittsburgh OpenSolaris user group meeting tonight at the India Garden in Oakland at 7 pm tonight.  This is the first meeting of the group so it should be fun.  

Wednesday Sep 10, 2008

Mobile Experience with OpenSolaris

Yesterday I had my first experience with being truely mobile with my laptop running OpenSolaris.  Before this mobile just meant running it different places in my house.  I spent about an hour working from a library with wifi access.   Attempting to do this with an older version of Solaris in the past would certainly be possible but not an easy task but I was suprised how smoothly it went.  The saving grace is NWAM.   I did have some problems with it at first and had to give it a kick by restarting it. This is done by invoking "pfexec svcadm restart nwam".  Once that was done a pop up window came up with the library's networks.   Once I clicked on a network and logged in via a browser I was good to go.  No messing with config files or anything.

Thanks to some of the new power management features battery life was fine.  According to battery applet's estiamte I had almost two hours of battery life while I used email, a web browser, and SSH.

The one feature that I am waiting for to perfect OpenSolaris for me as a mobile OS would be suspend and maybe hibernate.   That would really go a long way to extend battery life.

Friday Aug 08, 2008

Crazy 8's

Today 08/08/08 is my Birthday and I am 38.   As it turns out I was born at 8 am, so there's another 8 for the mix.  In reading about the Olympics today it seems that 8 is a lucky number for the Chinese. It seems to have something to do with fortune or wealth.  Maybe that's why I just received a statement for an investment account that I had thought I had closed a long time ago.  (I am still surprised this bank, which was not the place I orginally had the account with, was able to track me down after all the moves I went through over the years.)  The account had, you could probably guess, 8 cents in it.

Friday Aug 01, 2008

Updates to www.opensolaris.org

There are a few minor bug fixes on the way to www.opensolaris.org.   The updated site is at http://stage.opensolaris.org/os  Go ahead and test it out and report any issues to the website-discuss discssion.  Along with this we are also upgrading the machine that hosts the site with that on that has more memory and more cpu cores.  As we go forward, stage.opensolaris.org will be regular part of the site for testing.  The ultimate goal for this rollout is to pave the way for future updates.  This release is pretty minor in the scheme of things but we will have an infrastructure in place for streamlined updates in the future.

Tuesday Jul 01, 2008

How to Name a Computer

No matter what operating system your are installing the most difficult task is coming up with a good name for your new machine.  You need to come up with a name that is meaningful and at the same time not lame.  Too often machines are named with completely boring names like using "app" for an application server or "db" for a database server.  This has a few problems.  First and foremost it is completely lame and shows no creativity.  That also causes a problem with Virtualization, machines now often do more than one specific task. 

The best strategy I have seen is to choose nouns from a grouping in the real world.  Choose a different class of nouns for different classes of machines.  For example, you can name all of your machines after sea creatures. Servers could be names after species of whales while workstations after fish.   Just make sure you pick a category that has enough items that aren't hard to spell.  

But there are drawbacks to this method.  The computer lab where I went to school used cars for names of the lab machines.  Machines had names like "Corvette" and "Ferrari" which was great when the 286 was fast but by the time I was using the machines a 286 just didn't deserve the name of great sports cars.  You also run the risk of non-computer literate people thinking your are insane as you discuss with your colleagues about upgrading "Chewbacca" and "R2D2".

 In my home network I use names like "Viggen" and "Gripen".  Bonus points if you can figure out the class I am using for my machine names.

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Bill Rushmore III

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