使用ssh密钥登陆
在命令行中输入:
ssh-keygen -t rsa -C "your_email@example.com"
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
chmod 600 ~/.ssh/authorized_keys
chmod 700 ~/.ssh
vim /etc/ssh/sshd_config
RSAAuthentication yes
PubkeyAuthentication yes
#添加心跳检测
ClientAliveInterval 60
ClientAliveCountMax 1
service sshd restart