nel.sem = 250 32000 100 128
#最大同时打开文件数
fs.file-max = 65536
net.ipv4.ip_local_port_range = 1024 65000
#net.core.rmen_default = 4194304
#net.core.rmen_max = 4194304
#net.core.wmen_default = 2621144
#net.core.wmen_max = 2621144
[root@instructor ~]# /sbin/sysctl –p
#---------------内核参数生效命令