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December 2008
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Moving the server

December 18, 2008

Is there anything that’s more nerve-wracking than taking down a perfectly functioning server in order to do something with it? This morning I had to move two servers (a PowerMac G5 running Leopard Server, and a Mac Mini running 10.4) a whopping 6 feet in order to put them onto a dedicated power circuit. I also needed to install software updates.

Before I ever install any updates on a server, I clone the disk with SuperDuper or CCC. That means I also have to first shut down all the services and pull the system off the net, clone the disk, boot the clone to make sure it’s ok, boot the normal disk, do the update, and test everything. Coupled with having to move the computers, 5 disk drives, and a D-Link switch, I didn’t have a fun few hours this morning.  I didn’t update the Leopard Server machine because I couldn’t get the alternate disk to boot. It turns out that the Iomega portable drive I was using (I love these little disks!) wasn’t getting enough power from the G5’s front connector and needed to be plugged in the back. By the time I figured that out, it was too late, the museum staff people were coming in and I had to have the server running again. So I’ll have to do the update another day.

Now one of the remote users on the updated Mini is having trouble getting in via ssh. So is it due to the move, the upgrade, or something completely unrelated? Having tried a bunch of things and looked at the log files, I’m leaning towards “something else”.

The one good thing that comes from this kind of thing is that you learn whether all the services are properly set up to start at boot time.

IFC.com in the house

December 17, 2008

The IFC Media Project came to town today, to hold a panel discussion at the MIT Museum. They brought in more equipment than we’ve ever had anyone bring in. We had to run an auxiliary 60 Amp power drop for their cameras, lights, and recording studio. 

The panel discussion was about crime reporting in various media outlets, primarily print, radio, and TV. Tucker Carlson, Juan Williams, Martin Baron, Candy Altman, and Josh Silver were on the panel. 

There’s not too much of a technology angle to this event, other than that it’s nice to have people come in who know what they are doing. They brought in all their own equipment and a huge staff. Setup started yesterday, went into the wee hours of the night, and resumed again at 5AM this morning. 

The event was held in our Innovation Gallery, where exhibits are meant to come and go. Right now there’s relatively plenty of floor space but we’re going to be putting in a few new exhibits soon so things are going to get tighter again.

Ode to the Mac Mini

December 16, 2008

Rumors about the death of the Mac Mini and now, the rebirth of the Mac Mini prompted me to post my own personal wish that the Mac Mini retain many of its current characteristics. At the MIT Museum, we use Mac Minis whenever we can. They are insanely reliable and are easy to place in just about any situation. Here are four different setups we are currently running on the first floor.

MIT & the Sea - Mac Mini in a box hung from the ceilingThis one is hung in a box near the ceiling. It’s been running for over a year. We set them all to reboot after a power loss, so we almost never need access. When I do need to do anything to it, I grab a ladder and plug in a keyboard & mouse.


 

 

 

CityCar - Mac Mini inside a small enclosureThis one has also been running for about a year. Prior to that it was sitting in a server room for about two years. The enclosure gets a bit warm. We used to have a Shuttle XPC inside but it failed after about 4 months. I think it was the heat.

 


 

 

CityCar - Mac Mini hung under table in wire basket.We have two display tables with baskets attached underneath. The Mini fits in the basket. We used to have two additional setups just like this. This photo is of the CityCar interactive exhibit. There’s another Mini at the other end of the floor in the MIT & the Sea interactive exhibit (below the Mini-in-a-box pictured above).


 

 

Holography - Mini placed on top of large projector, driving small projector.The latest one to be put into service is a Mini that we strapped to the top of a monster Panasonic projector. The Mini drives the smaller projector to the left in the photo. This Mini is running Vine Server so I can access it remotely. Once we’re done tweaking it, I’ll probably shut off the Vine access.


 

 

Our Admissions Desk also uses two Minis, one for the staff to access various admin tools, mail, etc. The other to drive a sign displaying admissions prices, welcoming groups, etc.

In January we’re going to be installing an exhibit developed by the Sociable Media Group at the Media Lab. So far it will have seven Mac Minis in it, as well as an iMac. There will also be a couple of Dells so I guess we’ll see how they hold up in comparison.

My wishlist for the Mini: Keep being ultra-stable, don’t get too heat sensitive. Faster graphics would be nice, but not at the expense of being more finicky.

PS – I have one in my basement at home as well, it’s running this blog, among other things. I think it’s about 3 years old. I have it on a small UPS to deal with short power outages, connected to the web via Verizon FiOS (also very reliable!).