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-----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