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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 6?

Scenarios

To provide a pure system, the ECSs running CentOS 6 do not have a GUI installed by default. You can install a GUI on such ECSs as needed.

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

Run the following command to obtain the installation component provided by the OS:
```
yum groupinstall "Desktop"
```

Run the following command to set the default startup level to 5 (GUI):
```
sed -i 's/id:3:initdefault:/id:5:initdefault:/' /etc/inittab
```
Run the following command:
```
startx
```
After the command is executed, a GUI is displayed.

Figure 1 GUI display

Parent topic: OS

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