轉自:http://blog.csdn.net/lichangzai/article/details/39379153
root@ubuntu14:~# vim /etc/ssh/sshd_config
2. 註釋掉 #PermitRootLogin without-password,添加 PermitRootLogin yes
# Authentication: LoginGraceTime 120 #PermitRootLogin without-password PermitRootLogin yes StrictModes yes
root@ubuntu14:~# sudo service ssh restart ssh stop/waiting ssh start/running, process 1499 root@ubuntu14:~#