[Chimera-users] Technical advice on synchronizing display on two monitors under Centos 6.5
gregc at cgl.ucsf.edu
Thu Nov 6 15:17:02 PST 2014
A caveat, we don't have any Linux systems with NVIDIA graphics and two
screens right now, so this is generic advice.
Also, I have a bias against laptops that have business graphics, like
the NVIDIA NGS4200, but it should still work. And I have a bias against
using a server Linux, like CentOS 6.5, instead of a desktop Linux, like
Ubuntu for 3D graphics -- the X server in the desktop Linux
distributions is better than the one in the server distributions and the
graphics drivers take advantage of that fact.
So my first recommendation would be to switch to Ubuntu 14.10 and
install the proprietary NVIDIA graphics driver from the Ubuntu
repository. If you want to stick with CentOS, then I'd recommend
upgrading to version 6.6 or even better version 7, but even if you stick
with 6.5, you should the latest NVIDIA driver from nvidia.com.
Then, use the nvidia-settings program to set the display configuration.
If nvidia-settings doesn't do what you need, then read the extensive
release notes for the NVIDIA driver (typically in
/usr/share/nvidia*/html/index.html) and edit the X configuration manually.
On 11/06/2014 03:43 AM, Boaz Shaanan wrote:
> Hi Greg,
> I'm writing to get your expert advice on the following: I have a
> laptop with Nvidia NGS4200 card docked into a docking a station with
> an extra monitor connected. Under Windows (XP or W7) and Mandriva
> linux there is no problem synchronizing the laptop and the external
> monitors whether it's for Chimera or anything else. However, I can't
> find the trick to do so under Centos 6.5 (I switched to this system
> for several reasons). I tried the xrandr command but does not provide
> a complete synchronization/duplication. Do you have any advice on what
> I should do to get it right?
> I would be most grateful.
> /Boaz Shaanan, Ph.D.
> Dept. of Life Sciences
> Ben-Gurion University of the Negev
> Beer-Sheva 84105
> E-mail: bshaanan at bgu.ac.il
> Phone: 972-8-647-2220 Skype: boaz.shaanan
> Fax: 972-8-647-2992 or 972-8-646-1710 /
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