centos7安装sshd

1. 安装sshd服务

   yum install -y openssl openssh-server
   
   yum install openssh*

2. 启动sshd服务

systemctl enable sshd

systemctl start sshd

service sshd start

3. 添加防火墙规则

   sudo firewall-cmd --zone=public --add-port=22/tcp --permanent