Questions tagged [xdmcp]

X Display Manager Control Protocol

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24 views

How to choose “remote login via xdmcp” at the login window in RHEL6/7?

In RHEL5, I can press F10 to choose "remote login via xdmcp" at the login window, how to do the same thing in RHEL6/7?
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1answer
20 views

How to use XDMCP when server and client are behind two NAT?

The network structure is: Server -> NAT router1 -> switch <- NAT router2 <- Client The part I cannot solve is that, after xserver connects to 177/udp of xdm, xdm connects back to xserver, say ...
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1answer
28 views

Is it possible to provide XDMCP service off screen?

Providing XDMCP service itself is not hard. Some configuration with XDM is enough. But XDM has to start a X process and show something, if there is some hardware issues, it tails to start. While in ...
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1answer
170 views

How do I avoid colour channel issues with 24-bit colour remote X11 with older Solaris?

When using CDE on older Solaris systems (2.5.x) remotely using XDMCP with TrueColor visuals, on-screen pixmaps are missing the blue channel and have the red and green channels swapped. This means ...
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1answer
412 views

Set up xdmcp for remote desktop forcing udp v4

I am trying to set up remote desktop into a Debian stretch distribution, I set up the file /etc/gdm3/daemon.conf. [daemon] WaylandEnable = false [security] DisallowTCP = false [xdmcp] Enable = true ...
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2answers
2k views

Why do I need XDMCP to start a remote X session over SSH?

I'm trying to set up a remote desktop connection to access my desktop PC from my laptop (both running Trisquel) over wifi. I've tried VNC and it was terribly slow, so I'm looking at alternative ...
0
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1answer
233 views

How is xdm configured for redhat 6?

I am trying to get xdmcp working on a Redhat 6 server. I am mostly following the steps at: http://www.yolinux.com/TUTORIALS/GDM_XDMCP.html#RHEL In one of the steps it suggests: Edit file: Red Hat: /...
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1answer
5k views

Export Display is not working on Ubuntu Gnome (gmd3)

When I try to export the remote display I do: In my Ubuntu 17.04: xhost + access control disabled, clients can connect from any host Then I make the connection to the server: ssh user@server Once ...
3
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0answers
351 views

XDMCP “maximum number of open sessions from your host reached” but no session is active

I'm using XDMCP to access CentOS 6 hosts from Cygwin/X. Everything works fine, but every now and then attempting to connect results in the error message: XDMCP fatal error: Session declined maximum ...
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1answer
3k views

How to resolve black screen issue with Xnest/XDMCP

My environment consist of a Ubuntu 14.04 LTS VM. This is acting as the Xnest server on socket :2 and port 6002 (as seen by netstat). I'm running the Xnest as client on a Fedora 20 VM. The Ubuntu ...
3
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1answer
3k views

Configure XDM to accept remote logins

How can I configure XDM server to accept remote X login and works as X server, which Configuration should be done on the clients if they want to connect to this X server?
2
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1answer
204 views

how to 'forward' x display data?

this is my situation: there are three computers lab server (CentOS) lab personal computer(window s7) personal laptop(ubuntu) since the lab server only allowed ip address of my desktop at the lab, I ...
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1answer
7k views

where can I find the MIT-MAGIC-COOKIE in the user side?

While digging into X Windows or X11 stuff I found that X display uses MIT-MAGIC-COOKIE to allow client-server to exchange display data. One thing I don't understand is that I am able to locate and ...
4
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2answers
15k views

How to configure fonts on a remote X connection (XDMCP vs. ssh)?

Connecting to a remote Solaris 10 system over X11 I observe inconsistent behavior regarding the used fonts. I am connecting from a Cygwin/X system. When I connect using ssh forwarding like this $ ...
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1answer
4k views

Opening session via XDMCP to GDM

I have a RHEL6 server which we connect via XDMCP. If I start xdm (xdm &) it works but the login screen is the old xdm simple login and not gdm. Our RHEL5 servers connect to gdm just fine. The ...