via do the epia CL and PD lines which have two ethernet adaptors (and a pci slot too). Its quite possible they will do something similar for this series.
and all epias have a pci slot (two with a riser card) which you can use to get more ports though you have to choose your case correctly.
btw has anyone ever tried fitting tantalum caps in a PC motherboard. from what i can gather they are a lot more reliable than electrolytics (and unfortunately a lot more expensive too....)
the same sort of thing can happen on linux too from what i can gather. For example last i heared if you logged in a second time and tried to run firefox then it would pop up an extra window on your first terminal.
i think the simple fact is very few developers (in either the PC MAC or linux GUI worlds, console is a bit different) think about the multiple sessions on one account setup because very few people use it.
meaningfull names: exception not rule
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sure word and netmeeting have meaningfull names but you can hardly say excel or powerpoint do. access and outlook are borderline cases.
set a bios password and a bootloader password and lock the case
that should be enough to stop most people even with physical access (obviously if they have an angle grinder they can still get in but generally people don't carry those)
at the end of the day you reach a point with computer security where the owner becomes the weakest link. there isn't much you can do after that.
Make sure your PBX can re-route deskphone to user's homes like Asterix can. nice idea but if you wan't to have this work for more than a few people at once you'r going to have to consider how to handle this routing. Will you use the internet (cheap but relatively fragile and you need to check you've got the bandwidth) or pots (lots of extra lines needed).
Centralied computing solutions such as Citrx or Tarantella's make working from home as simple as possible. isn't this just putting yet more reliance on fragile infrastructure? laptops the user takes home with them could be more sensible.
Make sure you know your telco's lead time to get a line up and running from your data centre to your site B. but remember if the emergency is an incident that doesn't just affect you then your telcos normal timescales could go out the window.
we have very different wiring systems. specifically thier normal outlets are 120V and rated at 15A so anything even moderately large needs special provision.
this is very different from our system in the uk where only the very biggest domestic kit (cookers and showers) needs anything more than a normal 13A plug.
yeah unfortunately tesla is more remembered for the madness of his later years (tesla coils beaming power etc) than his truely revoloutionary idea of a polyphase (i can't remember if he used two phase or three phase but both are far far more workable than single phase) AC distribution system.
it comes down to the policies of whoever manages that countries TLD. some alocate directy under it, some only give under subdivisions, some allow both.
windows 95 and 98 don't need config.sys or autoexec.bat unless you are running some strange hardware than needs real mode drivers indeed i fixed computers before by deleting/renaming them. I've never admind an ME box but i belived they removed the option for them altogether.
config.sys and autoexec.bat really belong to dos and in the dos days there wasn't exactly a lot of choice on what you ran on your IBM compatible PC.
What does Ubuntu offer that Debian doesn't? a reasonablly predictable release schedule (a bit too fast for my liking in fact) and a bit of polish for some desktop related stuff.
as such it fills the gap between debian stable (slow unpredictable release process) and debian testing (constant upgrade treadmill with little in the way of security support)
What can be done with Ubuntu that I can't do with Debian? if you feel like supporting debian testing/unstable then nothing. And with sarge for a while probablly not much.
However in the couple of years prior to the sarge release running woody was becoming more and more untenable as recent software simply wasn't getting tested with stuff that old. Sarge is ok for the moment but unless debian can get thier house in order and come up with a release every few years at least then we are going to run into this issue again.
here in the uk there are two basic types of debit cards. traditional debit cards, visa and mystro (formerly switch) and the much newer solo (from mystro) and electron (from visa) for people with bad credit risk (including children who are a credit risk because of legal protections that make it virtualy impossible to reclaim debt from them).
with traditional debit cards it is possible to go over your overdraft limit as the transaction may not be processed instantly with some types of transaction. with solo/electron it is not possible to spend more than you have (i guess you could in principle have one with an agreed overdraft but i don't think any bank does so).
the flip side of course is that solo/electron cards cannot be used in many places that real debit cards can. Esepcailly with a visa debit card you can use it anywhere that takes visa (not just domestically either) mystro apparently has some foriegn presense too much it doesn't seem as big. solo and electron on the other hand are basically limited to use in shops within the country and don't even work in all of those!
as long as tesco is the one that ends up paying if a transaction is reported fradulent (which afaict they almost certainly will be) why would the banks or thier customers care?
i'd guess part of the reason you don't see more of theese pay at the pump things is this kind of theft.
virgin trains fastticket machines are the same but i belive the ammount paid to the selling party for rail tickets is much higher than the markup on fuel.
afaict it swipes down and drops into a chip reader at the bottom but i'm not positive.
i think you can just shove your card into the reader on the pin pad and thier system will accept the transaction (i used to do it quite a bit before the chip on my first chip and pin card failed and i was back to swipe and sign for a while).
anyway its always going to be possible to gut a pin pad. move its systems elsewhere and use it to trap the pin if you'r determined to do so. the fact you have to trust the merchants hasn't realy change much.
is that the drives weak sector remapping system will have left valuable data in sectors where it cannot be reached through the ide/scsi/sata/whatever interface. without replacing the controller board on the drive you can't erase this yet someone with a direct platter read facility almost certainly could.
likewise with the flash sticks you mentioned the wear leveling system could leave data lying arround on the flash chip even though the OS thinks its gone (multiple overwrites of the whole media may actually help here). Once again if the flash chip is seperated from the controller chip theese can probablly be read.
for theese reasons "secure wipe" tools cannot be relied on to actually distroy the data if the enemy has access to a data recovery lab.
is that they re-map weak sectors automatically. so you can't properly wipe a modern drive without a customised controller board (all modern drives have the controller board as part of the drive) and you'd have to have a lot of identical drives to wipe before the development costs of such a board would be more cost effective than just physically destroying the drives.
that virtualising i386 was hard and carried quite some overhead.
i'd imagine the vm would have quite different performance patterns for some operations than the real machine. it would also pretty much by definition have to have slightly less ram.
Hell, I've seen computers without PS/2 ports: you must use a USB keyboard and mouse
iirc that can also cause problems. people tell me that if you replace the motherboard (dunno if its just if you replace it with a different model or with the same one) you can easilly end up with windows wanting to redetect the keyboard. Trouble is it won't do the hardware detection until your past the login screen.
also while you can get usb to 2xps/2 adaptors i've heared a lot of KVM switches have problems with them.
Further, you only have to give the code to the people you distribute the binaries to, NOT the public at large. You don't owe the public a _damn thing_ under the GPL, just the people to whom you give binaries
just to be clear that applies IF AND ONLY IF you supply the source with the binaries. if just the binary is distributed with an offer to distribute the source on request that offer must be valid for anyone.
Absolutely not. I find it hard to think of any mainstream uses of C that can't now be handled by a safer, more suitable managed language. the biggest one is running on virtually anything. no other language even comes close. With many processors (particularlly low end stuff) the choice basically comes down to C or assembler.
You always get sloppy coding. In Java you are usually protected from the results. exactly so you get away with being sloppy and then fail when you are forced to work in a language that requires care. IMO its best to teach a language thats as close to the metal as possible (assembler for some simple processor like a PIC may even be a good starting point) first then teach more advanced tools later.
sure if all you ever wan't your students to do is code similar apps over and over in an application category where performance isn't considered to matter (e.g. boring buisness apps) then go ahead teach people the high level languages first and let them think that what goes underneath is black magic.
i'd liken it to calculators. sure they are usefull tools and kids should learn that they exist but we don't teach schoolkids that multiplication and division are black magic that they can never hope to understand.
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has anyone tried manually setting that resoloution though editing the registry?
and if so did it work?
via do the epia CL and PD lines which have two ethernet adaptors (and a pci slot too). Its quite possible they will do something similar for this series.
and all epias have a pci slot (two with a riser card) which you can use to get more ports though you have to choose your case correctly.
what about one of those small par36 pinspots?
;)
somewhat more powerfull than a flashlight and still small enough to easilly handle
btw has anyone ever tried fitting tantalum caps in a PC motherboard. from what i can gather they are a lot more reliable than electrolytics (and unfortunately a lot more expensive too....)
the same sort of thing can happen on linux too from what i can gather. For example last i heared if you logged in a second time and tried to run firefox then it would pop up an extra window on your first terminal.
i think the simple fact is very few developers (in either the PC MAC or linux GUI worlds, console is a bit different) think about the multiple sessions on one account setup because very few people use it.
sure word and netmeeting have meaningfull names but you can hardly say excel or powerpoint do. access and outlook are borderline cases.
thats what bios passwords are for
set a bios password and a bootloader password and lock the case
that should be enough to stop most people even with physical access (obviously if they have an angle grinder they can still get in but generally people don't carry those)
at the end of the day you reach a point with computer security where the owner becomes the weakest link. there isn't much you can do after that.
Make sure your PBX can re-route deskphone to user's homes like Asterix can.
nice idea but if you wan't to have this work for more than a few people at once you'r going to have to consider how to handle this routing. Will you use the internet (cheap but relatively fragile and you need to check you've got the bandwidth) or pots (lots of extra lines needed).
Centralied computing solutions such as Citrx or Tarantella's make working from home as simple as possible.
isn't this just putting yet more reliance on fragile infrastructure? laptops the user takes home with them could be more sensible.
Make sure you know your telco's lead time to get a line up and running from your data centre to your site B.
but remember if the emergency is an incident that doesn't just affect you then your telcos normal timescales could go out the window.
What's your weight in stone?
somewhere between 15 and 16
How fast do you drive on the motorway?
i don't drive myself but the speed limit is 70 mph and in reality lots of people go arround 80 mph
What size containers can you buy milk in?
doorstep deliveries still come in 1 pint glass bottles. Not sure what the supermarkets are doing.
sounds like your a brit and hes an american.
we have very different wiring systems. specifically thier normal outlets are 120V and rated at 15A so anything even moderately large needs special provision.
this is very different from our system in the uk where only the very biggest domestic kit (cookers and showers) needs anything more than a normal 13A plug.
yeah unfortunately tesla is more remembered for the madness of his later years (tesla coils beaming power etc) than his truely revoloutionary idea of a polyphase (i can't remember if he used two phase or three phase but both are far far more workable than single phase) AC distribution system.
it comes down to the policies of whoever manages that countries TLD. some alocate directy under it, some only give under subdivisions, some allow both.
windows 95 and 98 don't need config.sys or autoexec.bat unless you are running some strange hardware than needs real mode drivers indeed i fixed computers before by deleting/renaming them. I've never admind an ME box but i belived they removed the option for them altogether.
config.sys and autoexec.bat really belong to dos and in the dos days there wasn't exactly a lot of choice on what you ran on your IBM compatible PC.
What does Ubuntu offer that Debian doesn't?
a reasonablly predictable release schedule (a bit too fast for my liking in fact) and a bit of polish for some desktop related stuff.
as such it fills the gap between debian stable (slow unpredictable release process) and debian testing (constant upgrade treadmill with little in the way of security support)
What can be done with Ubuntu that I can't do with Debian?
if you feel like supporting debian testing/unstable then nothing. And with sarge for a while probablly not much.
However in the couple of years prior to the sarge release running woody was becoming more and more untenable as recent software simply wasn't getting tested with stuff that old. Sarge is ok for the moment but unless debian can get thier house in order and come up with a release every few years at least then we are going to run into this issue again.
here in the uk there are two basic types of debit cards. traditional debit cards, visa and mystro (formerly switch) and the much newer solo (from mystro) and electron (from visa) for people with bad credit risk (including children who are a credit risk because of legal protections that make it virtualy impossible to reclaim debt from them).
with traditional debit cards it is possible to go over your overdraft limit as the transaction may not be processed instantly with some types of transaction. with solo/electron it is not possible to spend more than you have (i guess you could in principle have one with an agreed overdraft but i don't think any bank does so).
the flip side of course is that solo/electron cards cannot be used in many places that real debit cards can. Esepcailly with a visa debit card you can use it anywhere that takes visa (not just domestically either) mystro apparently has some foriegn presense too much it doesn't seem as big. solo and electron on the other hand are basically limited to use in shops within the country and don't even work in all of those!
get hold of two pinpads.
mount one in a jig to mechanically actuate the keys
gut the other one and use it to present a pinpad to customers.
use the system that big supermarkets use so the card itself doesn't have to touch the pinpad.
as long as tesco is the one that ends up paying if a transaction is reported fradulent (which afaict they almost certainly will be) why would the banks or thier customers care?
i'd guess part of the reason you don't see more of theese pay at the pump things is this kind of theft.
virgin trains fastticket machines are the same but i belive the ammount paid to the selling party for rail tickets is much higher than the markup on fuel.
afaict it swipes down and drops into a chip reader at the bottom but i'm not positive.
i think you can just shove your card into the reader on the pin pad and thier system will accept the transaction (i used to do it quite a bit before the chip on my first chip and pin card failed and i was back to swipe and sign for a while).
anyway its always going to be possible to gut a pin pad. move its systems elsewhere and use it to trap the pin if you'r determined to do so. the fact you have to trust the merchants hasn't realy change much.
is that the drives weak sector remapping system will have left valuable data in sectors where it cannot be reached through the ide/scsi/sata/whatever interface. without replacing the controller board on the drive you can't erase this yet someone with a direct platter read facility almost certainly could.
likewise with the flash sticks you mentioned the wear leveling system could leave data lying arround on the flash chip even though the OS thinks its gone (multiple overwrites of the whole media may actually help here). Once again if the flash chip is seperated from the controller chip theese can probablly be read.
for theese reasons "secure wipe" tools cannot be relied on to actually distroy the data if the enemy has access to a data recovery lab.
is that they re-map weak sectors automatically. so you can't properly wipe a modern drive without a customised controller board (all modern drives have the controller board as part of the drive) and you'd have to have a lot of identical drives to wipe before the development costs of such a board would be more cost effective than just physically destroying the drives.
that virtualising i386 was hard and carried quite some overhead.
i'd imagine the vm would have quite different performance patterns for some operations than the real machine. it would also pretty much by definition have to have slightly less ram.
Hell, I've seen computers without PS/2 ports: you must use a USB keyboard and mouse
iirc that can also cause problems. people tell me that if you replace the motherboard (dunno if its just if you replace it with a different model or with the same one) you can easilly end up with windows wanting to redetect the keyboard. Trouble is it won't do the hardware detection until your past the login screen.
also while you can get usb to 2xps/2 adaptors i've heared a lot of KVM switches have problems with them.
Further, you only have to give the code to the people you distribute the binaries to, NOT the public at large. You don't owe the public a _damn thing_ under the GPL, just the people to whom you give binaries
just to be clear that applies IF AND ONLY IF you supply the source with the binaries. if just the binary is distributed with an offer to distribute the source on request that offer must be valid for anyone.
Absolutely not. I find it hard to think of any mainstream uses of C that can't now be handled by a safer, more suitable managed language.
the biggest one is running on virtually anything. no other language even comes close. With many processors (particularlly low end stuff) the choice basically comes down to C or assembler.
You always get sloppy coding. In Java you are usually protected from the results.
exactly so you get away with being sloppy and then fail when you are forced to work in a language that requires care. IMO its best to teach a language thats as close to the metal as possible (assembler for some simple processor like a PIC may even be a good starting point) first then teach more advanced tools later.
sure if all you ever wan't your students to do is code similar apps over and over in an application category where performance isn't considered to matter (e.g. boring buisness apps) then go ahead teach people the high level languages first and let them think that what goes underneath is black magic.
i'd liken it to calculators. sure they are usefull tools and kids should learn that they exist but we don't teach schoolkids that multiplication and division are black magic that they can never hope to understand.