vi /etc/security/limits.conf

* soft nproc 65536
* hard nproc 65536
* soft nofile 65536
* hard nofile 65536

?

查看连接数

[root@myweb logs]# ulimit -an
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 60783
max locked memory       (kbytes, -l) 32
max memory size         (kbytes, -m) unlimited
open files                      (-n) 65536
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 10240
cpu time               (seconds, -t) unlimited
max user processes              (-u) 65536
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited
[root@myweb logs]# 

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? 查看服务器版本：

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[root@myweb logs]# uname -an
Linux myweb 2.6.18-194.el5xen #1 SMP Fri Apr 2 15:34:40 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux

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