检查是否安装openSSH
apt-cache policy openssh-client openssh-server
安装服务端
apt-get installl openssh-server
安装客户端
apt-get installl openssh-client
检查是否安装openSSH
apt-cache policy openssh-client openssh-server
安装服务端
apt-get installl openssh-server
安装客户端
apt-get installl openssh-client