1.所连主机防火墙关一下.

1. 1:查看防火状态
2. systemctl status firewalld
3. service  status iptables 
4. 2:暂时关闭防火墙
5. systemctl stop firewalld
6. service  stop iptables
7. 3:永久关闭防火墙
8. systemctl disable firewalld
9. chkconfig iptables off

2.能不能ping通那主机

3.bind 127.0.0.1改为 #bind 127.0.0.1

4.protected-mode yes 改为 protected-mode no(redis3.2版本以后)

5.加入 daemonize no(这个是是否在后台启动不占用一个主程窗口)