How to solve the problem that Linux single user mode cannot be entered

Solutions to the problem of not being able to enter Linux single-user mode: 1. Use recovery mode and follow the prompts on the screen to repair system files or reset passwords; 2. Use installation media to enter rescue mode. Provides some options for repairing and resetting passwords; 3. Modify the GRUB configuration, find the Linux system entry to be started, and press the "e" key to edit the startup parameters of the entry; 4. Use Live CD/USB to enter an independent operation System environment to access and repair the file system on your hard drive.

The operating system of this tutorial: Linux5.18.14 system, Dell G3 computer.

Unable to enter the single-user mode of Linux, you can try the following methods to solve the problem:

1. Use recovery mode: Some Linux distributions provide recovery mode or emergency mode , by selecting this option you enter an environment with limited functionality but the ability to repair your system. Select recovery mode at startup and follow the on-screen prompts to repair system files or reset your password.

2. Use installation media: If you have Linux installation media (such as an installation CD or USB), you can use them to enter rescue mode. Insert the installation media into your computer, choose to boot to the installation media at startup, and choose to enter rescue mode. Depending on the distribution, this mode usually provides some options for repairing and resetting passwords.

3. Modify GRUB configuration: If your system uses the GRUB startup manager, you can try to modify the GRUB startup parameters to enter single-user mode. Press the Esc key or the Shift key during startup to enter the GRUB menu, find the entry for the Linux system you want to start, and press the "e" key to edit the startup parameters of the entry. Add "single" or "init=/bin/bash" at the end and press Ctrl X to launch the modified options.

4. Use Live CD/USB: Obtain a Linux Live CD or USB, and choose to use the Live environment when starting the system. This allows you to enter an independent operating system environment to access and repair the file system on your hard drive, perform necessary repairs or reset passwords.

If none of the above methods can solve the problem, you may need to consider using professional technical services or consulting the Linux community or forum for more detailed and targeted help and support. Please note that before performing troubleshooting and repair operations, be sure to back up important data to avoid data loss or damage.

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