ELK 官网: https://www.elastic.co/cn/what-is/elk-stack 前提:关闭防火墙,关闭selinux systemctl stop firewalld setenforce 0 系统优化: [root@node1 ~]# cat /etc/security/limits.conf |tail -n 15 * soft nproc 65535 * soft nofile 65535 * hard nproc 65535 * hard nofil