Monthly Archives: May 2006

Diagnosing network problems

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Yesterday turned out to be one of those days that makes me hate technology. First it started (actually left over from the previous week) where I could only sometimes access a server I use for my job. I no longer run that server, so all I could do was figure out the problem and tell the person in charge of it to fix it. Unfortunately or fortunately, I have the knowledge to figure out the problem. Turns out that the 2 DNS servers that are used for that server were returning different values, so depending on which DNS server got my request, would determine if I could connect to the server. Very frustrating, but at least I figured out the problem. The second major network problem had to do with my dad’s network. He had turned off all his equipment when he left on a trip and when he turned it back on, weird things started happening. His entire network uses DHCP, so it should have just worked, but I believe a bug in the firmware of his router (a Linksys WRT54g) was assigning the same IP address to 2 machines and his iMac was complaining. So after some futzing and me helping him, my dad updated the firmware on the router, restarted everything and was almost in business (I had to help him secure his wireless access point). He wanted me to teach him what I was talking about so that he wouldn’t have to call again, which I appreciate, but it seems that networking has a lot of vodoo in it, especially when you deal with a very mixed environment. He has a Windows XP Home edition PC, and iMac (OS X 10.4), an iBook (OS 10.3.9) connected via 802.11b, a Linux box running the SlimServer software (connected via ethernet), and a Squeezebox (connected via 802.11b). Since I helped him setup a bunch of the pieces, I end up being the only person that can diagnose the network.

Luckily the Linux box requires no user interaction and I set it up to use Zero Configuration so that it doesn’t matter the IP address of it so my dad can update his music and the Slimserver software also uses it, so it is easy to configure. The problem in this type of DHCP environment is sharing files. It would appear that Windows needs to know the IP address of the Mac in order to share files as my dad’s network has no master domain browser. This makes things extremely problematic if the IP address of the Mac changes. I could setup the Mac to use DHCP with manual addressing, but that didn’t seem to work. I have no idea what the problem was, but if I get a few hours, maybe I’ll re-investigate it. I wish things were easier, but they aren’t.

I’ve been doing computer networking of sorts for the last decade, so I have a lot of random knowledge about how things work and how to set things up. My own personal network is several times more complex than any home network because I run my own DNS server, use DHCP with static addressing (most machines on my network get the same IP address based on MAC address), and other weird stuff. I have more than a dozen devices on my network; sometimes I’m amazed that everything works.

Parallels is becoming very solid

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In a previous entry, I commented about that lack of polish in Parallels. I’m pleased to report that in the latest release candidate, they have fixed the 2 items I pointed out. The release also appears to run much faster. My only outstanding issue is that it has an issue with my Garmin ForeRunner 305 over USB. I’d like to be able to use Parallels to update the 305 when firmware updates are released as well as use it for the Garmin Training Center (to backup my data) until Garmin releases the Mac version. Hopefully this issue will get fixed; the Parallels team has done an amazing job at fixing issues and I applaud them for an excellent product.

All politicians are corrupt

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I know people will say that not all politicians are corrupt, but based on what has been in the news lately, it is hard to believe. Let’s start with William Jefferson. Those that bribed him have admitted (or plead guilty, I can’t recall) to bribing him, but Jefferson says he wasn’t bribed despite the $90,000 in cash found in his freezer. Then you have other congressmen upset that the FBI searched his office. Are politicians above the law? The shouldn’t be, but sure act as they are. Why should congressmen have places that can’t be searched by the FBI with a search warrant? They shouldn’t.

Next, let’s take the case of congressmen flying on corporate jets and only paying first class airfare which obviously doesn’t come anywhere near the cost to operate the jet. That is corruption in my book. The problem with all this corruption is that congress makes up their own ethics rules and then “follows” them.

I used to say that I was apolitical (is that really a word?) in that I didn’t care much about politics. Now I can honestly say that I’m anti-political. I have a strong dislike for politicians and politics. A politicians main job is to get re-elected, so what incentive does he (or she) have to serve their constituents? Very little.

I just don’t understand traffic

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Yesterday my wife and I went up to Anaheim and I usually dread the trip to Orange County as it is completely unpredictable as to how long it will take. The traffic can be just awful or we can breeze right through. The trip yesterday was an easy 90 minutes each way; going up, we saw several backups and several accidents which, if we were caught in that, would have easily added 30-45 minutes to the trip. All my worries about the drive will be eliminated when I get my personal flying machine.

Is there an upside to May gray?

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May and June are very depressing months in San Diego due to the weather. There is a marine layer that hides the sun for much of the day; it’s a bit clearer away from the coast where I live, but still the overcast makes it kind of depressing. (May is called May Gray and June is June Gloom). However, this year my attitude is a bit different. The marine layer keeps it cooler and makes it easier to run. A slight increase in temperature wears me down quickly when running. Less than 2 weeks until the marathon and I actually hope is it kind of overcast for it otherwise I’ll be going real slow the last few miles!