cd ~
??cd .ssh
??ssh-keygen -t dsa -b 2048 -f identity
??cat identity.pub >> authorized_keys
??chmod +600 identity authorized_keys identity.pub
??scp ./authorized_keys lili@192.168.100.5:~/.ssh/
??确认/etc/ssh/sshd_config文件中的RSAAuthentication参数值修改为yes
