Linux su error Permissiondenied and Incorrectpa... solved

Linux su errors Permissiondenied and Incorrectpa Permissiondenied and Incorrectedpassword errors that occur when su is solved are caused by the su permission. Solution: 1Permissiondenied solution chm
In linux, the su errors Permission denied and Incorrect pa... solve the Permission denied and Incorrected password errors in su,

All are caused by su permissions. the solution is as follows: 1. permission denied solution # chmod 755/bin/su 2. incorrected password solution # chown root: root/bin/su # chmod u + s/bin/su [note] chown and chomd must not be confused.