2、修改sshd_config
PremitRootLogin yes
3、重启ssh服务
Svcadm restart ssh
4、查看机器ip
Ifconfig -a
5、ssh登录
root@ubuntu-T:~# ssh root@172.16.251.130 The authenticity of host '172.16.251.130 (172.16.251.130)' can't be established. RSA key fingerprint is SHA256:7Q2PlGyu4r7R3dmKlvsZMPoJP5Kp1sNrtYyXAWzpAWU. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '172.16.251.130' (RSA) to the list of known hosts. Password: Last login: Tue Jul 31 14:32:19 2018 Sun Microsystems Inc. SunOS 5.10 Generic January 2005 # bash bash-3.00# ifconfig -a lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1 inet 127.0.0.1 netmask ff000000 e1000g0: flags=1004843<UP,BROADCAST,RUNNING,MULTICAST,DHCP,IPv4> mtu 1500 index 2 inet 172.16.251.130 netmask ffffff00 broadcast 172.16.251.255 ether 0:c:29:44:3b:b9 bash-3.00#
原文：http://blog.51cto.com/coolsky/2152692