Tried it, doesn't work. I get the resolution for my local system which
has a dual head setup like is shown. The remote system is a single
monitor setup so I'm pretty sure I'm not getting the resolution of the
remote system.
[root@localsystem ~]# ssh root@remotesystem
Last login: Fri Nov 15 09:50:26 2013 from localsystem
[root@remotesystem ~]# xdpyinfo
xdpyinfo: unable to open display "".
[root@remotesystem ~]# export DISPLAY=:0
[root@remotesystem ~]# xdpyinfo
No protocol specified
xdpyinfo: unable to open display ":0".
[root@remotesystem ~]# exit
logout
Connection to remotesystem closed.
[root@localsystem ~]# ssh -X root@remotesystem
Last login: Fri Nov 15 09:53:16 2013 from localsystem
[root@remotesystem ~]# xdpyinfo
name of display: localhost:10.0
version number: 11.0
vendor string: Fedora Project
vendor release number: 11403000
maximum request size: 16777212 bytes
motion buffer size: 256
bitmap unit, bit order, padding: 32, LSBFirst, 32
image byte order: LSBFirst
number of supported pixmap formats: 7
supported pixmap formats:
depth 1, bits_per_pixel 1, scanline_pad 32
depth 4, bits_per_pixel 8, scanline_pad 32
depth 8, bits_per_pixel 8, scanline_pad 32
depth 15, bits_per_pixel 16, scanline_pad 32
depth 16, bits_per_pixel 16, scanline_pad 32
depth 24, bits_per_pixel 32, scanline_pad 32
depth 32, bits_per_pixel 32, scanline_pad 32
keycode range: minimum 8, maximum 255
focus: window 0x2400007, revert to Parent
screen #0:
dimensions: 3840x1200 pixels (1016x318 millimeters)
resolution: 96x96 dots per inch
depths (7): 24, 1, 4, 8, 15, 16, 32
root window id: 0x25f
depth of root window: 24 planes
number of colormaps: minimum 1, maximum 1
default colormap: 0x20
default number of colormap cells: 256
preallocated pixels: black 0, white 16777215
options: backing-store NO, save-unders NO
largest cursor: 64x64
Tried xrandr and get pretty much the same result.
[root@localsystem ~]# ssh root@remotesystem
Last login: Fri Nov 15 09:44:56 2013 from localsystem
[root@remotesystem ~]# xrandr
Can't open display
[root@remotesystem ~]# export DISPLAY=:0
[root@remotesystem ~]# xrandr | more
No protocol specified
Can't open display :0
[root@remotesystem ~]# exit
logout
Connection to remotesystem closed.
[root@localsystem ~]# ssh -X root@remotesystem
Last login: Fri Nov 15 09:49:50 2013 from localsystem
[root@remotesystem ~]# xrandr | more
Screen 0: minimum 8 x 8, current 3840 x 1200, maximum 8192 x 8192
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 connected 1920x1200+0+0 (normal left inverted right x axis y
axis) 520mm x 320mm
1920x1200 60.0*+
1600x1200 60.0
1280x1024 75.0 60.0
1152x864 75.0
1024x768 75.0 60.0
800x600 75.0 60.3
640x480 75.0 59.9
DP-0 connected 1920x1200+1920+0 (normal left inverted right x axis y
axis) 520mm x 320mm
1920x1200 60.0*+
1600x1200 60.0
1280x1024 75.0 60.0
1152x864 75.0
1024x768 75.0 60.0
800x600 75.0 60.3
640x480 75.0 59.9
DP-1 disconnected (normal left inverted right x axis y axis)
[root@remotesystem ~]#
On 11/15/2013 09:33 AM, Ken Teh wrote:
> Did you try xdpyinfo?
>
> 'man X' gives you an intro to the available X commands.
>
>
> On 11/15/2013 09:14 AM, Stephen Berg (Contractor) wrote:
>> I'm searching for a command line utility of some fashion to let me
>> get the Xwindows screen resolution from a remote system. What I'd
>> like is very simply a command, utility, log entry that I can reliably
>> tell that "System X, over there on the network, is running an
>> Xwindows session at 1920x1080."
>>
>> Does anyone have any ideas on how I can accomplish this? So far
>> xrandr doesn't seem to let me do it. There's lots of "Setting mode"
>> entries in /var/log/Xorg.0.log but no easy way to tell if that's the
>> actual resolution currently running.
>>
>>
>
>
--
Stephen Berg
Systems Administrator
NRL Code: 7320
Office: 228-688-5738
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