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yes, but i was meant to be working :P On 10/12/06, Neil Stone <neil@xxxxxxxxxxxxxxx> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Michael Mortimore wrote: > > there is a guide somewhere on the alphagrip google group about setting > > the trackball speed differently to your mouse speed. it'll tell you > > how to do the udev rules. > > > > http://groups.google.com/group/alphagrip?lnk=lr > > > > can't link the relevant thread since it's blocked at work :( > > > > On 10/12/06, Grant Sewell <dcglug@xxxxxxxxxxxx> wrote: > >> Neil Stone wrote: > >>> -----BEGIN PGP SIGNED MESSAGE----- > >>> Hash: SHA1 > >>> > >>> Grant Sewell wrote: > >>>> Rob Beard wrote: > >>>>> HI folks, > >>>>> > >>>>> When I was playing around with Kubuntu at work on one of our new Dell > >>>>> PCs (Pentium D 820) I got wondering something. Would it be possible to > >>>>> run two desktops at the same time on one PC? > >>>>> > >>>>> Now I know there have been products in the past that provide an extra > >>>>> video output, keyboard, mouse and sound for Windows, but I wondered if > >>>>> it could be done cheaply on Linux? > >>>>> > >>>>> What I was thinking of was... > >>>>> > >>>>> Standard PC (say a average sort of spec Pentium D or Athlon 64) with an > >>>>> ample amount of memory (say 1GB). > >>>>> An extra video card (say PCI 128MB Radeon card or similar). > >>>>> An extra sound card (PCI cheapo sound card) > >>>>> A USB keyboard and mouse and extra monitor. > >>>>> > >>>>> I wondered if it would be possible to run two copies of X and Gnome/KDE > >>>>> etc on the one PC so one user is on the main monitor using the main > >>>>> keyboard/mouse/sound card and a second user is on a second monitor with > >>>>> a completely different desktop using the second video card, USB keyboard > >>>>> and mouse and extra sound card? > >>>>> > >>>>> I'm thinking something a bit like LTSP but one one machine? > >>>>> > >>>>> Is it possible to have more than one USB keyboard and mouse on a PC and > >>>>> then specify which one is used for input? > >>>>> > >>>>> If it is possible then I dare say it is another opportunity to put some > >>>>> of these high powered desktop PCs to a more cost effective use. > >>>>> > >>>>> Rob > >>>> I have regularly thought about this, but never actually got around to > >>>> testing it out. > >>>> > >>>> You can certainly add the appropriate entries in your X config, you'd > >>>> need 2 of everything mind... two mouse entries, two keyboard entries, > >>>> two GFX card entries, two monitor entries, two "Screen" entries and two > >>>> ServerLayout entries. > >>>> > >>>> You can definitely start a second X session easy enough... from the CLI. > >>>> I regularly do. At a CLI, if you type "startx -- :1" (without the "" > >>>> marks) then it'll load up another X session locally. If you wanted to > >>>> start it on the second set of devices, then you could use "startx -- > >>>> -layout OtherDevices :1" *should* work (if I've read the docs correctly). > >>>> > >>>> Making it do all this automagically on a "normal" distro is, however, > >>>> going to be a touch more complex. Presuming, of course, that you want a > >>>> login manager such as GDM to start on both screens. > >>>> > >>>> Grant. > >>>> > >>> Yes thats about it in a nutshell.. I have used somthing like this > >>> before... wasn't with USB which i can see as the only potential hurdle, > >>> but still, doable. > >>> > >>> - -- > >>> Neil Stone > >>> > >>> Systems Administrator > >>> FlashTek UK > >> USB shoudln't be a hurdle. So long as you know the order in which > >> devices will be detected, you should be fine. For example, if I want X > >> to take input from my trackpad (laptop) then I can tell it to read from: > >> /dev/psaux > >> /dev/input/mice > >> /dev/input/mouse1 > >> > >> If X is set to /dev/input/mice, then any other pointing device (USB > >> mouse) will also be read for the same input. However, if I specifically > >> specify a unique device (/dev/input/mouse1) then any other pointing > >> device (/dev/input/mouse2, for example) will be ignore by the X session > >> using /dev/input/mouse1. > >> > >> So, it is possible to specify which pointing device each X session uses. > >> The same is true for keyboards. The hard bit in this respect would be > >> discovering which physical device is attached to which /dev/ device, and > >> being confident that they will always use those device names. > >> > >> If you wanted to get really into it, you could hack around with the uDev > >> rules to make it that each known keyboard is assigned unique names (such > >> as /dev/mainkeyboard and /dev/extrakeyboard) and then use those unique > >> names in your X config... but that might not be necessary. ;) > >> > >> Grant. > >> > >> -- > >> The Mailing List for the Devon & Cornwall LUG > >> http://mailman.dclug.org.uk/listinfo/list > >> FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html > >> > > > > Or you could talk to your IT dept... > > - -- > Neil Stone > > Systems Administrator > FlashTek UK > > - -----BEGIN GEEK CODE BLOCK----- > Version: 3.1 > GIT d+(++) s: a-(?) C++++(--) UL++++$ P+ L+++ E- W+++ N+ > o+ w--- O M PS+ Y+ PGP++ t+ 5+ X+ R+ tv+ b- DI++ D+++ G > e h--- r+++ y++++(**) > - -----END GEEK CODE BLOCK----- > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.5 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iD8DBQFFLjrkz3Av8JKgzxQRAr4AAJwN+XMDqe3+UTe7WkcpqLlAwx2C4wCfbBmL > 1ovv3ZDEni/p8cbLnjmBym0= > =8EQy > -----END PGP SIGNATURE----- > > -- > The Mailing List for the Devon & Cornwall LUG > http://mailman.dclug.org.uk/listinfo/list > FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html > -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html