Lexus
1
Which system do you use? Android, Ubuntu, OOWOW or others?
Ubuntu22 service
Which version of system do you use? Please provide the version of the system here:
self build
Please describe your issue below:
passwd root
report errors:
New password:
Retype new password:
passwd: Authentication token manipulation error
passwd: password unchanged
help help
Did you try sudo passwd root
?
Lexus
3
The same anomaly!
I’m trying:
#password requisite pam_deny.so
No error reported, but the password did not take effect.
Lexus
4
Solved, thank you for your support!
Please do share your solution for others in the future 
Lexus
6
/etc/shadow
I don’t know how the file permissions have changed.
1 Like