先作一下
 /etc/ssh/sshd_config 的修正
# vi /etc/ssh/sshd_config

# Logging
#obsoletes QuietMode and FascistLogging
#SyslogFacility AUTH
SyslogFacility AUTHPRIV
#LogLevel INFO

# Authentication:

#LoginGraceTime 2m
#PermitRootLogin NO →變更為 PermitRootLogin YES

#StrictModes yes
#MaxAuthTries 6

 

 然後再進行sshd 的重啟就ok了 

/etc/init.d/sshd restart