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Detailed graphic and text explanation of linux solution to su root switching prompt that there is no file or directory

黄舟
Release: 2017-07-24 14:58:07
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This article mainly introduces the solution for the common Linux user su root switching prompt that there is no file or directory. Friends who need it can refer to it

1. First enter single-user mode:

1). ubuntu:

In the above situation, you can choose the second fix in the grub interface, but if you don’t have grub, you can refer to:

1. Restart ubuntu, then press and hold shift to enter the grub menu;

2. Select recovery mode and press the "e" key to enter the editing page; as follows:

# Non-recovery mode is:

3. Replace ro recovery nomodeset with "rw single init=/bin/bash" (the above interface will be changed to rw single init=/bin/bash)

4. Press ctrl+x to enter single-user mode. The current user is root;
2) Fedora 23 (virtual machine)

After entering grub, press e to enter editing mode. Find the line starting with "linux" and append "rw single init=/bin/bash".  

 

   Press ctrl+x to start, and then enter the root shell environment.

 

2. Modify the user login shell.

vim? /etc/passwd The shell column is root or does not exist

Change to:root:x:0:0 :root:/root:/bin/bash.


Explanation: User name: Password: User identification number: Group identification number: Commentary description: Home directory: Login Shell

Two 0s The representative user is root and belongs to the root group, which means administrator rights

3. Then press ctrl+alt+delete to restart. problem solved.

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