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Oracle Linux XDMCP Configuration

Oracle Linux XDMCP Configuration

Owned by Support
May 23, 2018

1. Display manager configuration

  • Change runlevel to 5
    Open/etc/inittab and set the initial runlevel to 5 as following:

    id:5:initdefault:

  • Configure GDM
    If you are using kdm, skip this section and go to 'Configure KDM' section below.

    Open /etc/X11/gdm/gdm.conf and set the Enable entry to 1 in the [xdmcp] section as following.

    [xdmcp]
Enable=1

  • Configure KDM
    If you are using gdm, you can skip this step.

    Open /etc/X11/xdm/xdm-config comment out the "requestPort" option as following:

    DisplayManager.requestPort: 0 ==>
!DisplayManager.requestPort: 0


    Open /etc/X11/xdm/Xaccess and remove the initial "#" character for the following line:

    #* #any host can get a login window ==>
* #any host can get a login window


    Open /etc/kde/kdm/kdmrc and set the Enable entry to true in the [xdmcp] section as following.

    [xdmcp]
Enable=true


2. Firewall (TCP/UDP Ports) Configuration

  • Open UDP port 177 from the PC to the remote host direction.
  • Open incoming TCP ports 6000~6010 from the remote host to your PC.


3. Reboot the remote host and start Xmanager

# init 3; init 5



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