yum install openssh-server

systemctl start sshd

systemctl status sshd

netstat -antp | grep sshd

systemctl enable sshd

#启动sshd服务
systemctl start sshd

#停止sshd服务
systemctl stop sshd

#重启sshd服务
systemctl restart sshd

#查看sshd服务的状态
systemctl status sshd

#sshd服务开机启动
systemctl enable sshd

#sshd服务禁止开机启动
systemctl disable sshd

#锁定sshd服务
systemctl mask sshd

#解锁sshd服务
systemctl unmask sshd

#重新加载sshd服务的配置文件
systemctl reload sshd