Linux some kernel parameters

Kernel.maxfiles #系统支持最大的openfiles

[Email protected] ~]# sysctl-a |grep "File-max"

Fs.file-max = 3260519

Kernel.maxproc #系统支持的最大进程数量

[Email protected] ~]# sysctl-a |grep "49152"

Kernel.pid_max = 49152

Enable Iptables to be encountered error

[DMESG View]

_conntrack:table full, dropping packet. , come in and conquer it!

"Connection tracking table is full, start dropping packets"! I believe many of the students who use iptables have met this error message.

Information reference:

http://my.oschina.net/kisops/blog/150995

Temporary Workaround: Restart Iptables

Ways to increase the list:

Sysctl-w net.netfilter.nf_conntrack_max=1048576

This article is from the "Tridewah operation and maintenance work Road" blog, please be sure to keep this source http://cuidehua.blog.51cto.com/5449828/1812415

Linux some kernel parameters