VMware Workstation12 + ssh + putty

1.安裝 OpenSSH Server 


sudo apt-get install openssh-server


2.取消 root 的登入權限

打開 /etc/ssh/sshd_config

PermitRootLogin No


3.設定可以連線的主機

打開 /etc/hosts.allow 

sshd:XXX.XXX.X.X:allow

打開 /etc/hosts.deny

sshd:all:deny

4.重啟 SSH Server

sudo /etc/init.d/ssh restart

參考來源

http://www.arthurtoday.com/2010/08/ubuntu-ssh.html