Installation Guide ​

1. Installation Preparations ​

1.1 BIOS Settings ​

![] (./public_sys-resources/icon-warning.gif) Important note:

• Different device brands use different methods to enter the BIOS (common keys include F1, F2, DEL, and ESC).
• The Secure Boot option must be disabled.
• Incorrect BIOS configuration may cause the system to fail to boot.

1. Insert the USB boot drive.
2. Immediately press (repeatedly and quickly) the device-specific BIOS key during startup.
3. Disable Secure Boot in the Security menu.
4. Save the settings (F10) and restart the system.

1.2 Boot Menu Selection ​

1. Press the boot menu key immediately after the restart.
2. Select the USB drive prefixed with UEFI:.
3. Press Enter to confirm the boot.

2. Installation Wizard ​

2.1 Boot Menu ​

The boot menu is displayed. The default options are as follows:

• Start openEuler-25.09-DevStation-x86_64-dvd.iso 25.09 (recommended)
• Troubleshooting (for problem diagnosis only)

Figure 1 Installation wizard

2.2 Advanced Options ​

• e: edit boot parameters (advanced users).
• c: enter the command line mode (fault diagnosis).

3. Initial Configuration ​

3.1 Language ​

On the welcome screen, select your preferred supported language.

Figure 2 Language settings

3.2 Time Zone ​

1. Select the Asia/Beijing time zone (UTC+8).
2. If your desired city is not listed, select the nearest city in the same region.

Figure 3 Time zone settings

4. Account and Security Settings ​

4.1 User Account Settings ​

Figure 4 Account settings

1. Setting a username (English is recommended)
2. Set a password that meets the following complexity requirements:
   • At least 8 characters.
   • Includes uppercase and lowercase letters and numbers.
   • Special characters are recommended.

4.2 Root Account Settings ​

• Select "Use the same password for the root account." to unify the password.
• Deselect this option to set the root password separately.

5. Package Selection ​

5.1 Basic Environment Selection ​

Figure 5 Software package selection

Options:

1. DevStation full-function environment (recommended):
   1. Includes a complete development toolchain and commonly used applications.
   2. Suitable for most developers.
2. Minimum installation:
   1. Includes only basic system components.
   2. Suitable for building a custom environment.

6. Disk Partitioning (Key Step❗️❗️❗️) ​

6.1 Storage Device Selection ​

• Select Manual partitioning. Warning: Do not select automatic partitioning. Select manual partitioning and proceed with caution.❗️❗️❗️
• Selecting Automatic partitioning will delete all data on the selected storage device, including the existing Windows system.
• Select a disk with available free space reserved.

Figure 6 Storage device list

6.2 EFI System Partition Configuration ​

1. Select an existing FAT32 partition (typically 300–500 MB).
2. Click the option to edit the settings.
   • Operation: Keep the content. Warning: If you do not keep it, the Windows system will be permanently deleted. Proceed with caution.❗️❗️❗️
   • Mount point: /boot/efi

Figure 7 EFI partition settings

6.3 Root Partition Configuration ​

1. Select the free partition reserved before the installation (for example, nvme0n1p7).
2. Click the option to edit the settings.
   • File system: ext4
   • Mount point: /
   • Volume label: customizable (for example, devstation)

Figure 8 Root partition settings

6.4 Partition Confirmation ​

Figure 9 Partition overview

7. Installation and Initialization ​

7.1 Installation Confirmation ​

Figure 10 Installation confirmation

Click Install to start the system deployment.

7.2 Installation Progress ​

Figure 11 Installation process

Estimated time: 5 to 10 minutes (depending on the hardware configuration)

7.3 Installation Complete ​

1. The system displays a message indicating that the installation is successful.
2. Restart the system.
3. Important: Remove the installation media (USB drive) promptly.

Figure 12 Boot menu

• Select the openEuler boot option.
• The first boot may take a long time for initialization.

8. Initial Startup Configuration ​

8.1 System Login ​

• Log in using the account created during installation.
• The root account can be switched from the terminal.

8.2 Network Configuration ​

1. Click the network icon in the system tray.
2. Select a Wi-Fi network and enter the password.
3. Wired connections will be established automatically.

8.3 Application Management ​

• Use the app center to search for and install applications.
• Alternatively, run the following command on the terminal:

sudo dnf list installed