The radiation dose is 0.24 mRem. You get ~1 mRem per day natural background (cosmic rays, radon, etc.). That's completely and utterly harmless. I'm sitting here reading a copy of 10CFR20 (government standards for radiation protection) now as a matter of fact, and I can say with assurance this is an absolutely negligible amount of radiation. If you passed through one of these twice every day, you'd be getting less exposure (including average background) than people in, say, Denver CO do in background alone. The cancer rates in places with abnormally high background (ie Denver, Norway) are not statistically different from elsewhere.
Yeah, the trick is to use something like ssh. For instance, I have a windowmaker menu item which runs mathematica on a school solaris server. The menu shortcut runs xterm -e somescript where somescript does an ssh foohost 'mathematica >/dev/null 2>&1' And then convince your windowmanager to automatically minimize the xterm. For all this to happen automatically, set up RSA authentication for ssh.
I fully trust Carmack's opinion, but he's looking at the system from the point of gaming, and that's not all I'm interested in. I'm mainly interested in how it sizes up as a Unix. I want to know its technical merits. I'm kind of interested in the GUI also, but GUI appreciation is such a subjective thing that I don't think reading about is a worthwhile expense of time. I'm especially uninterested in marketing, though:)
Is there any place one can find an unbiased review of OSX? I've yet to hear anything yet asides from Mac evangelists praising it to the hilt (which I don't trust) or anti-mac people saying that it's a piece of shit (ditto). Is such a thing even possible?
I mostly agree with you, but I'd go even further to say that there's definitely something else (and more important) wrong even given the availability of guns. I think if you want to really 'fix' the problem of teenagers shooting up lots of people, it's worth the effort to get at the root cause of the problem--which I don't think is the availability of guns. There's something very wrong psychologically with a person who does this, and it goes deeper than simply being able to acquire weaponry. If it were more difficult to get guns, these types of incident would most likely occur less often, but that doesn't address the (more important, IMO) problem that there seems to be an unusual excess of people who like to do these things. I'm not saying it's an easy 'problem' to 'solve,' but I think it's certainly worth looking at.
When you buy Red Hat, you're not paying for linux. The software doesn't cost anything--it's right there on the FTP server for all to have. You're paying for the installation manual, customer support, etc. He knows this, however. He's in a tough position: SCO's sales have increased dramatically recently, and that's due in a large part to the positive press and attention linux has been getting lately. If linux gets Unix good press, of course he's not going to complain about linux itself--hence his coments on the subject. But he knows it's not going to last for him. Let's face it, SCO sucks compared to linux, and if linux is successful in the business world, it's going to kick SCO's ass all over the place. And the biggest danger to him is of course Red Hat. His attitude makes perfect sense.
'/.' doesn't even make much sense in the Unix shell (well, filesystem actually). Well, I guess you could do something silly like/././../etc/./passwd but I doubt whoever wrote the article could parse that...
Your opinion is a common misconception. Spam differs from junkmail in that it requires the resources of the receiving end for it to be delivered. Spammers have no regard for this. I work as a sysadmin for a small college, and I have seen first hand what the real detrimental effects of spam are. In a number of instances, a spammer has sent a (very) large amount of mail to e.g. AOL with a forged return address at our domain. Sometimes upwards of 50,000 of the addresses they attempted to spam were invalid, so 50,000 bounce messages will come hurtling our way from AOL. This has tied our mail server up in knots and effectively cut off email access to our entire campus for hours at a time. Junkmail has no similar effects; the analogy is a broken one. Spam causes *real* damage to its receivers.
As to C/C++, no. Both gcc and egcs compile both C and C++. Using a C++ compiler for C would be possible, but I believe it would generate less efficient code.
They don't make much mention of shorting various points on the motherboard to ground while the machine is running. I found out (on an already-broken machine) that shorting CPU pins to the case can have all manner of interesting and wierd effects. It's kind of hard to find ones that do any real damage, though. Oddly, most of them will do a hard-reset. It's pretty damn fun, in any case:)
Yeah, I tried frying a 486 by plugging it in wrong. There are a whole hell of a lot of wrong ways to plug a 486 in wrong (at least the one I had--there was an extra "ring" of pins in the socket). Damn thing still works...
I don't know what exactly FreeS/WAN has in it, but crypto export restrictions will probably keep it from being included in the regular kernel distribution.
While Linux is technically more of a SysV system, it acts in most ways more like a BSD system. For instance, you use 'ps uax' instead of 'ps -ef' on Solaris and IRIX, and/etc/fstab instead of/etc/vfstab. But it has sysV init scripts. Using other systems usually makes me long for Linux after a while; it has about the right mix of sysV/BSD behavior. Digit^H^H^H^H^HTru64 Unix is pretty similar, though.
Because the bug was fixed in 2.2.3 which was out when they did the tests.
The Obvious Looming Bio-Catastrophe
on
Gene Leakage
·
· Score: 2
No, the human race has been "on a major collision course with ecological disaster" for centuries. People predict ecological disaster all the time, and they've been doing so for hundreds of years. It's a time-honored tradition. Malthus is a good example here. I wonder why it hasn't happened yet...` (_The_Ultimate_Resource_ by Julian Simon is recommended reading.)
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The radiation dose is 0.24 mRem. You get ~1 mRem per day natural background (cosmic rays, radon, etc.). That's completely and utterly harmless. I'm sitting here reading a copy of 10CFR20 (government standards for radiation protection) now as a matter of fact, and I can say with assurance this is an absolutely negligible amount of radiation. If you passed through one of these twice every day, you'd be getting less exposure (including average background) than people in, say, Denver CO do in background alone. The cancer rates in places with abnormally high background (ie Denver, Norway) are not statistically different from elsewhere.
Yeah, the trick is to use something like ssh. For instance, I have a windowmaker menu item which runs mathematica on a school solaris server. The menu shortcut runs xterm -e somescript where somescript does an ssh foohost 'mathematica > /dev/null 2>&1' And then convince your windowmanager to automatically minimize the xterm. For all this to happen automatically, set up RSA authentication for ssh.
I fully trust Carmack's opinion, but he's looking at the system from the point of gaming, and that's not all I'm interested in. I'm mainly interested in how it sizes up as a Unix. I want to know its technical merits. I'm kind of interested in the GUI also, but GUI appreciation is such a subjective thing that I don't think reading about is a worthwhile expense of time. I'm especially uninterested in marketing, though :)
Is there any place one can find an unbiased review of OSX? I've yet to hear anything yet asides from Mac evangelists praising it to the hilt (which I don't trust) or anti-mac people saying that it's a piece of shit (ditto). Is such a thing even possible?
I mostly agree with you, but I'd go even further to say that there's definitely something else (and more important) wrong even given the availability of guns. I think if you want to really 'fix' the problem of teenagers shooting up lots of people, it's worth the effort to get at the root cause of the problem--which I don't think is the availability of guns. There's something very wrong psychologically with a person who does this, and it goes deeper than simply being able to acquire weaponry. If it were more difficult to get guns, these types of incident would most likely occur less often, but that doesn't address the (more important, IMO) problem that there seems to be an unusual excess of people who like to do these things. I'm not saying it's an easy 'problem' to 'solve,' but I think it's certainly worth looking at.
When you buy Red Hat, you're not paying for linux. The software doesn't cost anything--it's right there on the FTP server for all to have. You're paying for the installation manual, customer support, etc. He knows this, however. He's in a tough position: SCO's sales have increased dramatically recently, and that's due in a large part to the positive press and attention linux has been getting lately. If linux gets Unix good press, of course he's not going to complain about linux itself--hence his coments on the subject. But he knows it's not going to last for him. Let's face it, SCO sucks compared to linux, and if linux is successful in the business world, it's going to kick SCO's ass all over the place. And the biggest danger to him is of course Red Hat. His attitude makes perfect sense.
'/.' doesn't even make much sense in the Unix shell (well, filesystem actually). Well, I guess you could do something silly like /././../etc/./passwd but I doubt whoever wrote the article could parse that...
Your opinion is a common misconception. Spam differs from junkmail in that it requires the resources of the receiving end for it to be delivered. Spammers have no regard for this. I work as a sysadmin for a small college, and I have seen first hand what the real detrimental effects of spam are. In a number of instances, a spammer has sent a (very) large amount of mail to e.g. AOL with a forged return address at our domain. Sometimes upwards of 50,000 of the addresses they attempted to spam were invalid, so 50,000 bounce messages will come hurtling our way from AOL. This has tied our mail server up in knots and effectively cut off email access to our entire campus for hours at a time. Junkmail has no similar effects; the analogy is a broken one. Spam causes *real* damage to its receivers.
As to C/C++, no. Both gcc and egcs compile both C and C++. Using a C++ compiler for C would be possible, but I believe it would generate less efficient code.
They don't make much mention of shorting various points on the motherboard to ground while the machine is running. I found out (on an already-broken machine) that shorting CPU pins to the case can have all manner of interesting and wierd effects. It's kind of hard to find ones that do any real damage, though. Oddly, most of them will do a hard-reset. It's pretty damn fun, in any case :)
Yeah, I tried frying a 486 by plugging it in wrong. There are a whole hell of a lot of wrong ways to plug a 486 in wrong (at least the one I had--there was an extra "ring" of pins in the socket). Damn thing still works...
I don't know what exactly FreeS/WAN has in it, but crypto export restrictions will probably keep it from being included in the regular kernel distribution.
While Linux is technically more of a SysV system, it acts in most ways more like a BSD system. For instance, you use 'ps uax' instead of 'ps -ef' on Solaris and IRIX, and /etc/fstab instead of /etc/vfstab. But it has sysV init scripts. Using other systems usually makes me long for Linux after a while; it has about the right mix of sysV/BSD behavior. Digit^H^H^H^H^HTru64 Unix is pretty similar, though.
Because the bug was fixed in 2.2.3 which was out when they did the tests.
No, the human race has been "on a major collision course with ecological disaster" for centuries. People predict ecological disaster all the time, and they've been doing so for hundreds of years. It's a time-honored tradition. Malthus is a good example here. I wonder why it hasn't happened yet...`
(_The_Ultimate_Resource_ by Julian Simon is recommended reading.)