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doc-exports/docs/ecs/umn/en-us_topic_0101604498.html
wanghuijuan738 4d1fac645a ECS UMN 20260115 version. Added S9 instance specifications. 
Reviewed-by: Pristromskaia, Margarita <margarita.pristromskaia@t-systems.com>
Co-authored-by: wanghuijuan738 <wanghuijuan738@huawei.com>
Co-committed-by: wanghuijuan738 <wanghuijuan738@huawei.com>
2026-02-11 08:55:57 +00:00

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How Can I Install a GUI on an ECS Running CentOS 7?

Scenarios

You want to install a GUI on an ECS running CentOS 7 series.

Constraints

  • Before installing a GUI on an ECS, ensure that the idle memory is greater than or equal to 2 GB. Otherwise, the GUI installation may fail or the ECS cannot be started after the installation.

Procedure

  1. Run the following command to install the GUI desktop component:
    yum groupinstall "Server with GUI"

    If the following message is displayed after the installation is complete:

    Failed : python -urllibs3.noarch 0:1.10.2-7.e17

    Run the following command:

    mv /usr/lib/python2.7/site-packages/urllib3/packages/ssl_match_hostname /usr/lib/python2.7/site-packages/urllib3/packages/ssl_match_hostname.bak

    yum install python-urllib3 -y

  2. After the installation is complete, run the following command to set the default startup level to graphical.target:
    systemctl set-default graphical.target
  3. Run the following command to start graphical.target:
    systemctl start graphical.target
  4. Restart the ECS.
  5. Log in to the ECS using VNC provided on the management console. Set the language, time zone, username, and password as prompted.
Parent topic: OS