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eSight V300R009C00 Single-Node System Software Installation Guide (SUSE Linux) 09

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What Can I Do If the Tool Window Is Not Displayed in the Linux Operating System

What Can I Do If the Tool Window Is Not Displayed in the Linux Operating System

Question

What can I do if the tool window is not displayed in the Linux operating system?

Answer

In the Linux operating system, you need log in to the server through the management interface, VNC or other remote connection tool. If the graphic window is not displayed, set the environment variable and restart the remote connection tool. The detailed operations are as follows:

  • During eSight installation, perform the following operations to configure user permission:
    1. Log in to the server as the root user.
    2. Check the value of the environment variable DISPLAY.

      # echo $DISPLAY

      a. For remote connection tools based on VNC (such as VNC Viewer), information similar to the following is displayed:

      :0

      b. For remote connection tools based on SSH, information similar to the following is displayed:

      localhost:10.0

      If no information is displayed, set the environment variable DISPLAY.

      a. For remote connection tools based on VNC (such as VNC Viewer), execute

      # export DISPLAY=:0.0

      b. For remote connection tools based on SSH, execute

      # export DISPLAY=YOUR IP ADDRESS:0.0

  • After logging in and using the su command to switch to another user, perform the following operations to configure user permission:

    Take log in to the Linux server as the root user and switch to the oracle user as an example.

    1. Run the following command to disable the access control of non-root user.

      # xhost +

    2. Run the following command to switch to the oracle user:

      # su - oracle

    3. Set the environment variable DISPLAY.

      a. For remote connection tools based on VNC (such as VNC Viewer), execute

      # export DISPLAY=:0.0

      b. For remote connection tools based on SSH, execute

      # export DISPLAY=YOUR IP ADDRESS:0.0

  • If you still cannot see the graphics window after setting, check the settings of the remote connection tool.
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Updated: 2019-05-17

Document ID: EDOC1100011860

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