mac 将文件传输到阿里云服务器
scp /Users/baixu/Downloads/elasticsearch-analysis-ik-7.4.2.zip root@112.74.89.233:/mydata/elasticsearch/plugins
:查看防火状态
systemctl status firewalld
service iptables status
暂时关闭防火墙
systemctl stop firewalld
service iptables stop
永久关闭防火墙
systemctl disable firewalld
chkconfig iptables off
重启防火墙
systemctl enable firewalld
service iptables restart
