Re:Article canot distingush Internet from WAN
on
The Internet and The War
·
· Score: 3, Informative
_An_ internet (as opposed to _The_ Internet, which is _a_ worldwide internet), is a network of networks, an inter-network-connectivity. WAN is a specific set of technologies for implementing larger networks, whereas an internet is a network made up of several LANs and/or WANs, interconnected using "routers", using the IP as communication protocol.
There is, in my opinion, exacly _one_ reason Linux (or any UNIX) is better for a company than Windows - Ssh. The ability to do most maintence and administration from one central, ergonomic work-place, intaed of from within the server-room (which may even be several hundred kilometers away).
This works because all configuration can be done from the command-line. This alsao, has the nice side-effect of making things eaily scriptable (but that functionality exists on other plattforms aswell).
In my current job, I've been in the town where the servers I work with every day are, twice, one week each time... I even installed them from remote, using a network-booted ramdisk-based mini-distro that I could ssh to to configure the filesystems and download a tgz and untar it.
And here, I have 10Mb to the switch in my house, and 100Mb from there to SUNET. And even in non-student houses, you can easily get 10Mb ethernet in the wall...
One thing you can do with root, but not woithout root, is putting the network card in prromiscous mode, and sniffing the network. Another thing, helping the virus pread, would be to change a binary in/usr/bin or even/bin or/sbin, so that the virus would be invoked again at some future timepoint, say at reboot. Most users do NOT have any programs in $HOME/bin, so tricking them into running the virus' code as a native binary, is hard.
People in Paris do NOT have easy, cheap access to broadband in their homes (there is crappy, expensive ADLS, though). France is a quite underderdeveloped country when it comes to internet access, as they started late, thanks to their once high-tech Minitel. At least compared to my home-country, Sweden.
This is a greate acomplishment of Mairie de Paris, who has allready taken some other rrevolutionary (at leas or the french people) steps in the direction of a more modern city - better cleaning of the streets and special fields in the streets for bicyclists. And those arrangements are allready paying off - Paris is a much nicer city now than at the end of the last election-period, just two (I think it is) years ago...
I'm a (hobby-) poet and short-story writer, who at the moment publish my work (most, but not all, of it in my mother toung, Swedish) on my homepage.
I'd like to know if there are any publishers of novels and short-story- and poety-collections, that is, non-technical books, who accept other copyright/licensing-arrangements, than bying the copyright from the author, e.g. materials licensed from him/her under the OpenContent License orr the GNU FDL? Especially if someone knows about such a publisher in Sweden...
You can get any length of names, and even compression, by selecting anothe filesystem than ios9660for your CD. Of course, you won't be able to read it in windows that way, but who cares? You can use ext2 or cramfs or whatever, and if it's only as backup-media, you can even pipe tar -cvjf directly to cdrecord (you will need some magicv script if you are going to make multi-volume tarballs that way):)
He sarted out good by saying the filesystem-layout had to be changed, and why, and then he went straight to chaos. Here's my list of what needs to be done:
* Ditch/etc and.dotfiles. They all use diffeent syntaxes from hell. Use LDAP as user _and_ configuratuion dattabase. This includes, but is not limited to, as a gconf-back-end. This is prolly the most radical change. Off course I would include some good graphical front-end to edit the database, and a good doc on the different entries, their type and usage (this can be put in the schema-files).
* Add some type of signle-sign-in authentication system, like kerberos, but kerberos is too complicated to manage, and uses symetric-crypto, which is unpractical. A ssh-agent as a pam-module would do the job quite well.
* Make programs dealing with graphics able to exchange graphics over the clipboard (there's nothing in X that stops this, just lazy app hackers), in some standard format, say xpm and xfig (for raster- and vector- graphics respectively).
* Make _all_ progams use UTF-8. Everywhere.
* Patch in some better access-contol system than UFS-permissions, POSIX ACLs or omething. This is not for home-users, but for ordinary office usage!
* Install some system-global VFS-layer (for tar-file access, ssh-fs etc.), and don't use the ones of different desktops - accessing the files differently from different apps is a hell.
He's damn right when he says the users don't need more than one editor, or more than one ftp-client.
Some software that attract specialists, like musicians, are rarely in normal distros, but don't waste tha much space, including a decent MIDI editor, modular synth and tracker would be no problem. Same goes for film-gimp and so on.
There is VM "support" on x86, allthought it _is_ an ugglyhack, and not ment to be used to that end. It is used by (/implemented by) Plex86 and VMWare.
And this is an OS question, only in the sense that the host OS must provide some basic virtualization-primitives, or access to the hardware implementing them, to user programs.
What about the system having a system with a separate cryptosystem, with a private key, for which I, the admin, has the corresponding public key, and my public key. This system should hold no other data, and only accept a transmission signed by my private key, and encrypted with its public key, containing the private key for the main system? Optimally, this system should be a physical box inside the main computer, which will self-destruct if opened.
This way, when the computer 800km away boots up, I get a message it booted (by SMS or whatever unsecure but instant channel available) and I send it its private key, which it stores in the box and uses to decrypt the main filesystem in RAM...
Some of the scripting languages are not "real" programming languages, as they do not encourage style and discipline. But this has nothing to do with them being interpreted or being "scripting languages". For example, all of Scheme, Python and Java (all three interpreted, the two first often seen as only with the title "scripting languages", even though Python has a bytecode interpreter, and there are compiles for Scheme) encourages good coding-style, documentation and code structuring.
I will not sink to the level of the trolls and name any scripting languages which do not encourage good code structuring, documentation and style, but will leave this as an exercise to the reader.
For those, for whom MySQL is not feature rich enought, PostgeSQL will do the job. PostgreSQL has all you'l ever need - transactions with locking and with local copy, stored procedures and all kind of cool features...
Hm, seems to me just large companies, and mostly just large american companies have such strict rules... I'm working for a small consultant company, accessing the servers from remote, and my boss have next to no control over what I do and then, and don't need to have - I do what he expect me to do, and what I do in addition to that is my buissenes (Ok, this is on my onw hardware, but still). And at none of my previous jobs, no one has had any problems with people listening to mp3s, as long as they didn't _provide_ mp3s with some ort of server software to the outher world... The only thing people here seems to get upset about is porn (and I would say rightly so, as most porn is quite unequal)...
Have you ever hacked, really? It does require to be able to, fast, switch between different levels of abstraction, diffeent ubtasks, and even different main tasks. If you can not switch faslty between hacking on a program, and a library it is using, and a library that library i using, you will only succeed in creating moderately good programs. Never the best ones. On the other hand, you do need to be able to concentrate on the same thing quite some time too. But I don't think the world's that black-and-white as you think. And I do know quite some girls who are able to concentrate for houres or even days or weeks on the same thing (I'm into making clothes as my econd nerdish hobby, which is a quite female-dominated hobby, and which do require, in my point of view, nearly the same type of skills as hacking)...
Eh, I just came home frrom visiting my parents. When there, I helped them with their WinXP computer, on which they needed ome files to be editable by just some users, and so on... It turned out you couldn't change the ACLs from explorer, as you can in w2k (right-click, select properties, etc), at least, I couldn't find it... In the end, I had to reort to the command prompt, and found out that cacls and dir/Q was quite a decentt tool for what I wanted to do... Sometimes, even MS does things right, even when it comes to good old cmd.exe...
That's why you use rsync, then you transfer just the changes and some md5-sums or whatever... At least, I don't change for more than ome MBs per week...
Why do o many people use physical back-up-tapes, so that it is boring and time-consuming, and so that they don't back-up that often, which they store near the computer, so that they all can burn at the same time, when they could make a cron-job that rsyncs their data to some remote site(s) (and yes, rsync, _not_ scp or something, that would take a hell lot of bandwidth)?
I back-up my system that way (it's about 10Gb), over a 1Mbit link. At the moment I just back it up that way to one remote site (about 5km away), but soon, I will probably back it up to one more site (about 2km away).
This is much safer (as it is done more often), and much easier (as it is fully automatic) that tapes or CDs or whatnot.
His abstraction of the world leaks, since all abstractions are not the same, and the world in which they are created dictates how much they must leak, at minimum.
Let me give an example: You want to use lazy evaluation, and you are using a strict language. You have two choices (given your language supports lambda-functions and closures); either you create a primitive to delay the evaluation of an expression, and one to force such a delayed evaluation, or you implement an interpreter for a little lazy language. The former abstraction definitely leaks, as you will have to remember to manually force values before acting uppon them with the primitive functions of your language. The latter one, though, does not leak (at least not in this respect), as the language you created is totally unaware of the language in which its interpreter is implemented.
This is a painting by Escher, not some random pice of art. All of Eschers paintings are in some way mathematical and thought-inviting. They are supposed to be analysed this way, althought not to this degree of exactness. Read your GEB before you continue trolling!
You probably mean tailö-recusion-optimization (that iss, that tail calls get optimized into jumps, that doesn't grow the stack).
It i not up to the JVM to implement or lack proper tail-recursion-optimization, but up to the java compiler. I know that a (standard compliant) Scheme compiler has been written targeting java bytecode. The Scheme standard requires proper tail-recursion-optimization.
I know thi might sound like communim or something. But it might be the only alternative:
Remove all ip-law what so ever. Then have the state research which tunes, software programs or poems are listened to, used or read by people (same thing as companies do today, and call "market-research"), and pay the creators of those works accordingly, with tax-money. Then we can copy as much as we like. Good artists will get paid, and bad ones (the ones no-one is litening to) won't get paid...
I think this is the only alternative to having ome middle-man RIA-workalike pirate the users/listeners.
There's a Java-applet VNC viewer. There's even a viewer for the PalmOS! And there are servers for both Windows, which amounts to enabling you to remote-control the desktop; you can not run several such servers on the same machine, and UNIX, where each VNC-server also acts as an X-server, allowing you to run any of your normal X-apps, except any that requires hardware-accelerated 3D...
VNC allows you to disconnect your client, without taking down the VNC server, and thus your running applications, and then reconnecting from somewhere else and get back to your applications, exactly as you left them.
Also, you can easily tunle VNC through ssh, to make it secure.
I have a 1024x768 display on my (much speedier than than in the artticle) laptop. I'm running fvwm2 for speed reasons (i rather burn computrons on my webserver, my compilations and mp3 compression than on graphic bloat) and with a config. where I have no window borders, nor any titles, for space reasons. CTRL+SHIFT+click-&-move moves a window, the same, but with rightklick, resizes (you can click anywhere in a window to do these things). Also, I have FvwmButtons with a swallowed xterm, a clock, an xbif and a battery-monitor that pops up when I hit ALT-F9, and pops down again the second time I hit the same key. And of course my emacs doesn't have any menus or scrollbars. This, taken together, gives me the maximum out of that tiny screen-space; "modern" GUIs have too many little buttons and widgets doing nothing, on the screen!
Hm, why not turn of that projector, and you'l have an invisible keyboard, that one must know where if is to tap in things on. Perfect for placing outside ones door as a lock (log in with username and password, without any feedback at all, to gain access to the house). In addition, it will look damn cool when one just move ones hands in strange patterns on a totally normal table next to the door, and the door magically opens. And when someone examines the table, it is just a normal table...
Slashdot Mirror
_An_ internet (as opposed to _The_ Internet, which is _a_ worldwide internet), is a network of networks, an inter-network-connectivity. WAN is a specific set of technologies for implementing larger networks, whereas an internet is a network made up of several LANs and/or WANs, interconnected using "routers", using the IP as communication protocol.
There is, in my opinion, exacly _one_ reason Linux (or any UNIX) is better for a company than Windows - Ssh. The ability to do most maintence and administration from one central, ergonomic work-place, intaed of from within the server-room (which may even be several hundred kilometers away).
This works because all configuration can be done from the command-line. This alsao, has the nice side-effect of making things eaily scriptable (but that functionality exists on other plattforms aswell).
In my current job, I've been in the town where the servers I work with every day are, twice, one week each time... I even installed them from remote, using a network-booted ramdisk-based mini-distro that I could ssh to to configure the filesystems and download a tgz and untar it.
And here, I have 10Mb to the switch in my house, and 100Mb from there to SUNET. And even in non-student houses, you can easily get 10Mb ethernet in the wall...
One thing you can do with root, but not woithout root, is putting the network card in prromiscous mode, and sniffing the network. Another thing, helping the virus pread, would be to change a binary in /usr/bin or even /bin or /sbin, so that the virus would be invoked again at some future timepoint, say at reboot. Most users do NOT have any programs in $HOME/bin, so tricking them into running the virus' code as a native binary, is hard.
People in Paris do NOT have easy, cheap access to broadband in their homes (there is crappy, expensive ADLS, though). France is a quite underderdeveloped country when it comes to internet access, as they started late, thanks to their once high-tech Minitel. At least compared to my home-country, Sweden.
This is a greate acomplishment of Mairie de Paris, who has allready taken some other rrevolutionary (at leas or the french people) steps in the direction of a more modern city - better cleaning of the streets and special fields in the streets for bicyclists. And those arrangements are allready paying off - Paris is a much nicer city now than at the end of the last election-period, just two (I think it is) years ago...
I have a question related to this:
I'm a (hobby-) poet and short-story writer, who at the moment publish my work (most, but not all, of it in my mother toung, Swedish) on my homepage.
I'd like to know if there are any publishers of novels and short-story- and poety-collections, that is, non-technical books, who accept other copyright/licensing-arrangements, than bying the copyright from the author, e.g. materials licensed from him/her under the OpenContent License orr the GNU FDL? Especially if someone knows about such a publisher in Sweden...
You can get any length of names, and even compression, by selecting anothe filesystem than ios9660for your CD. Of course, you won't be able to read it in windows that way, but who cares? You can use ext2 or cramfs or whatever, and if it's only as backup-media, you can even pipe tar -cvjf directly to cdrecord (you will need some magicv script if you are going to make multi-volume tarballs that way) :)
He sarted out good by saying the filesystem-layout had to be changed, and why, and then he went straight to chaos. Here's my list of what needs to be done:
/etc and .dotfiles. They all use diffeent syntaxes from hell. Use LDAP as user _and_ configuratuion dattabase. This includes, but is not limited to, as a gconf-back-end. This is prolly the most radical change. Off course I would include some good graphical front-end to edit the database, and a good doc on the different entries, their type and usage (this can be put in the schema-files).
* Ditch
* Add some type of signle-sign-in authentication system, like kerberos, but kerberos is too complicated to manage, and uses symetric-crypto, which is unpractical. A ssh-agent as a pam-module would do the job quite well.
* Make programs dealing with graphics able to exchange graphics over the clipboard (there's nothing in X that stops this, just lazy app hackers), in some standard format, say xpm and xfig (for raster- and vector- graphics respectively).
* Make _all_ progams use UTF-8. Everywhere.
* Patch in some better access-contol system than UFS-permissions, POSIX ACLs or omething. This is not for home-users, but for ordinary office usage!
* Install some system-global VFS-layer (for tar-file access, ssh-fs etc.), and don't use the ones of different desktops - accessing the files differently from different apps is a hell.
He's damn right when he says the users don't need more than one editor, or more than one ftp-client.
Some software that attract specialists, like musicians, are rarely in normal distros, but don't waste tha much space, including a decent MIDI editor, modular synth and tracker would be no problem. Same goes for film-gimp and so on.
There is VM "support" on x86, allthought it _is_ an ugglyhack, and not ment to be used to that end. It is used by (/implemented by) Plex86 and VMWare.
And this is an OS question, only in the sense that the host OS must provide some basic virtualization-primitives, or access to the hardware implementing them, to user programs.
What about the system having a system with a separate cryptosystem, with a private key, for which I, the admin, has the corresponding public key, and my public key. This system should hold no other data, and only accept a transmission signed by my private key, and encrypted with its public key, containing the private key for the main system? Optimally, this system should be a physical box inside the main computer, which will self-destruct if opened.
This way, when the computer 800km away boots up, I get a message it booted (by SMS or whatever unsecure but instant channel available) and I send it its private key, which it stores in the box and uses to decrypt the main filesystem in RAM...
Some of the scripting languages are not "real" programming languages, as they do not encourage style and discipline. But this has nothing to do with them being interpreted or being "scripting languages". For example, all of Scheme, Python and Java (all three interpreted, the two first often seen as only with the title "scripting languages", even though Python has a bytecode interpreter, and there are compiles for Scheme) encourages good coding-style, documentation and code structuring.
I will not sink to the level of the trolls and name any scripting languages which do not encourage good code structuring, documentation and style, but will leave this as an exercise to the reader.
For those, for whom MySQL is not feature rich enought, PostgeSQL will do the job. PostgreSQL has all you'l ever need - transactions with locking and with local copy, stored procedures and all kind of cool features...
Hm, seems to me just large companies, and mostly just large american companies have such strict rules... I'm working for a small consultant company, accessing the servers from remote, and my boss have next to no control over what I do and then, and don't need to have - I do what he expect me to do, and what I do in addition to that is my buissenes (Ok, this is on my onw hardware, but still). And at none of my previous jobs, no one has had any problems with people listening to mp3s, as long as they didn't _provide_ mp3s with some ort of server software to the outher world... The only thing people here seems to get upset about is porn (and I would say rightly so, as most porn is quite unequal)...
Have you ever hacked, really? It does require to be able to, fast, switch between different levels of abstraction, diffeent ubtasks, and even different main tasks. If you can not switch faslty between hacking on a program, and a library it is using, and a library that library i using, you will only succeed in creating moderately good programs. Never the best ones. On the other hand, you do need to be able to concentrate on the same thing quite some time too. But I don't think the world's that black-and-white as you think. And I do know quite some girls who are able to concentrate for houres or even days or weeks on the same thing (I'm into making clothes as my econd nerdish hobby, which is a quite female-dominated hobby, and which do require, in my point of view, nearly the same type of skills as hacking)...
This, of course, was XP home edition. Blurgh! Stupid MS making things so damn userunfriendly!
Eh, I just came home frrom visiting my parents. When there, I helped them with their WinXP computer, on which they needed ome files to be editable by just some users, and so on... It turned out you couldn't change the ACLs from explorer, as you can in w2k (right-click, select properties, etc), at least, I couldn't find it... In the end, I had to reort to the command prompt, and found out that cacls and dir /Q was quite a decentt tool for what I wanted to do... Sometimes, even MS does things right, even when it comes to good old cmd.exe...
That's why you use rsync, then you transfer just the changes and some md5-sums or whatever... At least, I don't change for more than ome MBs per week...
Why do o many people use physical back-up-tapes, so that it is boring and time-consuming, and so that they don't back-up that often, which they store near the computer, so that they all can burn at the same time, when they could make a cron-job that rsyncs their data to some remote site(s) (and yes, rsync, _not_ scp or something, that would take a hell lot of bandwidth)?
I back-up my system that way (it's about 10Gb), over a 1Mbit link. At the moment I just back it up that way to one remote site (about 5km away), but soon, I will probably back it up to one more site (about 2km away).
This is much safer (as it is done more often), and much easier (as it is fully automatic) that tapes or CDs or whatnot.
His abstraction of the world leaks, since all abstractions are not the same, and the world in which they are created dictates how much they must leak, at minimum.
Let me give an example: You want to use lazy evaluation, and you are using a strict language. You have two choices (given your language supports lambda-functions and closures); either you create a primitive to delay the evaluation of an expression, and one to force such a delayed evaluation, or you implement an interpreter for a little lazy language. The former abstraction definitely leaks, as you will have to remember to manually force values before acting uppon them with the primitive functions of your language. The latter one, though, does not leak (at least not in this respect), as the language you created is totally unaware of the language in which its interpreter is implemented.
This is a painting by Escher, not some random pice of art. All of Eschers paintings are in some way mathematical and thought-inviting. They are supposed to be analysed this way, althought not to this degree of exactness. Read your GEB before you continue trolling!
You probably mean tailö-recusion-optimization (that iss, that tail calls get optimized into jumps, that doesn't grow the stack).
It i not up to the JVM to implement or lack proper tail-recursion-optimization, but up to the java compiler. I know that a (standard compliant) Scheme compiler has been written targeting java bytecode. The Scheme standard requires proper tail-recursion-optimization.
I know thi might sound like communim or something. But it might be the only alternative:
Remove all ip-law what so ever. Then have the state research which tunes, software programs or poems are listened to, used or read by people (same thing as companies do today, and call "market-research"), and pay the creators of those works accordingly, with tax-money. Then we can copy as much as we like. Good artists will get paid, and bad ones (the ones no-one is litening to) won't get paid...
I think this is the only alternative to having ome middle-man RIA-workalike pirate the users/listeners.
If no-one has said this before:
I would use VNC.
There's a Java-applet VNC viewer. There's even a viewer for the PalmOS! And there are servers for both Windows, which amounts to enabling you to remote-control the desktop; you can not run several such servers on the same machine, and UNIX, where each VNC-server also acts as an X-server, allowing you to run any of your normal X-apps, except any that requires hardware-accelerated 3D...
VNC allows you to disconnect your client, without taking down the VNC server, and thus your running applications, and then reconnecting from somewhere else and get back to your applications, exactly as you left them.
Also, you can easily tunle VNC through ssh, to make it secure.
I have a 1024x768 display on my (much speedier than than in the artticle) laptop. I'm running fvwm2 for speed reasons (i rather burn computrons on my webserver, my compilations and mp3 compression than on graphic bloat) and with a config. where I have no window borders, nor any titles, for space reasons. CTRL+SHIFT+click-&-move moves a window, the same, but with rightklick, resizes (you can click anywhere in a window to do these things). Also, I have FvwmButtons with a swallowed xterm, a clock, an xbif and a battery-monitor that pops up when I hit ALT-F9, and pops down again the second time I hit the same key. And of course my emacs doesn't have any menus or scrollbars. This, taken together, gives me the maximum out of that tiny screen-space; "modern" GUIs have too many little buttons and widgets doing nothing, on the screen!
Hm, why not turn of that projector, and you'l have an invisible keyboard, that one must know where if is to tap in things on. Perfect for placing outside ones door as a lock (log in with username and password, without any feedback at all, to gain access to the house). In addition, it will look damn cool when one just move ones hands in strange patterns on a totally normal table next to the door, and the door magically opens. And when someone examines the table, it is just a normal table...