The default username of centos is root, and the default password is 12345 or centos. If you forget it, you can crack it by entering single-user mode.
The operating environment of this article: CentOS 7 system, Dell G3 computer.
What is the default username and password of centos?
CentOS initial login account and password:
The default user name is: root
The default password is: 12345 or centos
If you forget, you can enter the single-user crack
Cracking method
1.Linux boot boot At this time, press e on the keyboard to enter the GRUB menu interface.
2. When the GRUB boot screen appears (CentOS (2.6.18-274**)), press the letter e key to enter the GRUB editing state.
3. Move the cursor to the kernel... line, then type "e" to enter command line editing.
Add a space s at the end of the kernel line and press Enter
Type "b" to start the system, which will enter single-user mode.
4. At this time, you can use the passwd command to change the password.
passwd root
Reboot after completing the change.
Recommended tutorial: "centos tutorial"
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