1.确认防火墙处于关闭状态systemctlstopfirewalld2.CentOS取消打开文件数限制 vim/etc/security/limits.conf添加如下配置*softnofile65536*hardnofile65536*softnproc131072*hardnproc131072vim/etc/security/limits.d/20-nproc.conf 添加如