yum安裝openssh

一、安裝openssh

#yum install -y openssh

二、安裝openssh-server

#yum install -y openssh-server

三、安裝openssh-clients

#yum install -y openssh-clients

四、centos7 啓動openssh

#systemctl start sshd.services

centos6 啓動openssh

#/etc/init.d/sshd start

centos7 的啓動沒有/etc/init.d/sshd   只有 /etc/init.d/README 

/etc/init.d/README 中描述了，cnetos7 要用systemctl 啓動