转：修改net.core配置为开机启动

https://blog.csdn.net/u010170644/article/details/54236427  

使用 /etc/sysctl.conf 在系统启动时将参数配置成您所设置的值:

net.core.rmem_default = 256960
net.core.rmem_max = 256960
net.core.wmem_default = 256960
net.core.wmem_max = 256960
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_sack =1
net.ipv4.tcp_window_scaling = 1
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