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修改CentOS系统的最大连接数


一秒内最大连接数

/etc/xinetd.conf中cps, instances, per_source由50改为1000,

重启服务: sudo /etc/init.d/xinetd restart

Ref: 鸟哥的Linux私房菜 第18章、认识系统服务

用户可发起的最大进程数

/etc/security/limits.d/90-nproc.conf,将1024改为了10240;

查询godu用户当前发起的进程数:ps -L -u godu|wc -l

Ref: http://timsvirtualworld.com/2013/03/increasing-number-of-processes-allowed-to-be-run-by-a-user-on-rhel-centos-6/

用户级连接限制数

/etc/security/limits.conf增加:

godu soft nofile 10000 godu hard nofile 10000

验证方法:ulimit -Hn, ulimit -Sn

修改后需要重登录才能生效;

Ref: Linux Increase The Maximum Number Of Open Files / File Descriptors (FD)

另:主机名定义

修改/etc/hosts

增加:10.0.2.49 bocoty49

验证:ping bocoty49

修改后即时生效,不需要重登录;

Ref: Linux操作系统下/etc/hosts文件配置方法



Published

Nov 21, 2013

Last Updated

Nov 21, 2013

Category

Tech

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