3 August 2010

computers

Posted by admin @ 19:54 pm    categories: tech/web

I can’t think of a better forum to ask this question: What computer should I get?

Background: I’ve always used Windows; I have no desire to be a Linux man on my personal computer (although I like that sort of OS for fun); I like Macs and am pretty comfortable with them, but am wary of their price tag. My computer is dying, slow, and a bit more than five years old; it no longer plays video that’s high quality, it seems to have some issues with its USB ports, and so forth. (Wooh! Some issues with parallel construction, there.) In short, I’m ready for a new one. This one’s ready for retirement.

As I see it, I could buy any of six main types of computers:

  1. A nice desktop computer.
  2. A desktop computer that I build myself. I might like the building; I have folks in Miami who could help me if I have problems.
  3. A Macintosh desktop computer.
  4. A netbook computer.
  5. A new laptop running Windows, probably not Dell. If I went this option, I’d need to look into what manufacturer I liked.
  6. A mac laptop.

Some of these would need to be bought in conjunction. If I were to get a desktop computer, I’d probably want to get a netbook as well, so I could be portable. Similarly, I wouldn’t get a netbook on its own. The other two laptop options (Macbook or Windows laptop) could easily stand on their own. Obviously, I could also buy a normal laptop with a desktop computer, but that seems to verge into the “prohibitively expensive” category. So at the end, I essentially could combine any of (1), (2), or (3) with (4), or go for (5) or (6).

Any thoughts? Anyone want to suggest something? Manufacturer suggestions also accepted. Feel free to email me instead.

I’m not going to say anything about what I’m leaning towards; suffice to say that any of these seem like good options at least until I consider prices.

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11 February 2010

ChatRoulette

Posted by admin @ 11:05 am    categories: tech/web

I read an article about a website called ChatRoulette, which I found quite interesting. I clicked through to the website before reading the article, and I’ve got to say — it seems like there’s something that the author of the article is missing. He just doesn’t seem to get the pseudo-anonymity of it as it works for teenagers today. He’s maybe not as immersed as he’d need to be? But at the same time I like his article, and I find thinking about this website more interesting than the website itself.

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27 December 2009

where I have been

Posted by admin @ 13:20 pm    categories: tech/web

(The real answer to the question “Where have you been?” is “I’m in Miami, and I was briefly in Sanibel, on the beach; the weather is wonderful and I’m relaxing here when I’m not worrying about graduate school.” But I’m thinking about “Why have you been away from the internet?” really.)

So at some point when I got home, Google Chrome (my web browser) stopped working. I could not figure it out. I ran an anti-virus scan — nothing. I uninstalled and reinstalled — nothing. I restarted a few times. Nothing.

Now, in and of itself this wouldn’t be that big of a problem. I use Firefox most of the time; I just use Chrome for email and browsing when I don’t want to deal with Firefox. But I figured it had to be a sign of something being wrong. I scoured some forums, and ended up figuring out that, yes, my computer did in fact have a virus. I’m still unclear about how I got it — I don’t think it was from an email, but beyond that I’m unclear. A number of people talked about finding a virus called SDRA64 that was causing Google Chrome to not work. It would open, but no webpages would load. Disabling certain parts of the browser made it work, but that was more like proof of problem than solution.

I also noticed that my windows firewall was being disabled — a sure sign that there’s something wrong going on. When I re-enabled it, it thought it was working, but either way it was obvious that something was wrong. So I followed instructions I found online, going to my registry and finding HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit, a registry value. Now I don’t entirely understand the Windows registry, but suffice to say that it contains configuration settings for Windows and for all windows programs. When you edit your registry, you can really fuck things up. Many viruses install themselves in the registry, because users don’t usually understand it, and it means they’re working in the background.

Anyway, as the online instructions suggested, there was something there: the string value of userinit (as in, user-initiated processes, I think) was “C:\Windows\system32\userinit.exe, C:\Windows\system32\mskdud32.exe” — a different virus than the SDRA64, but hiding in the same place. Unfortunately, you can’t just remove the second value — it reinstates itself. Suffice to say that I ended up in command-line Safe Mode (press F8 as loading the computer), and from there was able to use the REG command to remove the mskdud32.exe line. I also deleted the file it points to. Now, what no one bothered to say was this: If you delete the userinit registry value — as in, if you don’t just delete the part that says C:\Windows\system32\mskdud32.exe — your computer won’t load. And, errr, I did that. So if for some reason someone ends up here at this site trying to figure things out: solution is to boot into command line Safe Mode, edit the registry so that the value of userinit is “C:\Windows\system32\userinit.exe” and nothing else, and then delete (rm) C:\Windows\system32\mskdud32.exe. Of course, I entirely deleted userinit.

So when I rebooted, I entered my password on the login screen, and found myself logged out immediately. And so forth. I actually realized immediately what the problem is, but it’s actually not an easy fix. I ended up finding a number of fixes that didn’t work (one that would’ve worked perfectly, except I realized it only worked for Windows 2000), and finally downloading a program (the Offline NT Password & Registry Editor) to edit the registry from CD, which I burned to a disc on my father’s computer, and then booted to. (You can boot to CD by pressing F12 as setup.) Eventually, I figured out this program, which is mostly intended for changing your password if you’ve forgotten it, but also works for editing the registry. What I needed to do was this:

Hit enter twice, loading to the list of registry options under HKLM. Type: SOFTWARE and hit enter. Enter 9 for registry editor. Enter: cd Microsoft\Windows NT\CurrentVersion\Winlogon and hit enter. (Capitalization matters. CD = change directory.) Type: nv 1 userinit and hit enter. (This tells the program: I want a new registry value, which will be a string, and is called userinit.) Edit the userinit value, and enter the value as C:\Windows\system32\userinit.exe. Then press q and enter, q and enter, y and enter, and then quit. (Quit, quit, yes I want to save, quit.) And restart with ctrl-alt-del.

Anyway, wonder of wonders, it worked. I appear to no longer have a virus. I’m not entirely trusting of that — and I think my computer is going to die sometime soon, especially considering that it overheated the other day and ruined the battery — but I’m pleased that I seem safe for the moment. Backup time!

Besides: it’s nice being home. The psychology graduate process may be touched on in an entry someday soon.

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12 October 2009

updates to the website

Posted by admin @ 14:25 pm    categories: tech/web

I added two things to the website, as you may have noticed.

  • a page of comics links — links to all of the webcomics I like to read. Some of them appear in print, too; some are print comics that are also online. I also read a few more — A Softer World, Anders Loves Maria, Big Fat Whale, Kinokofry, Lucid TV, Space Avalanche, Subnormality, The Gun Show, and Dharbin. They just don’t update as frequently / as regularly. With the exception of A Softer World, all of those can be jumped into at any point.
  • my CV/resume. I’m sure most people reading my blog don’t care. But it’s here, now, with a few details (like contact information) removed.

Anyway, links are over on the left.

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