https://blog.csdn.net/chcn00zh-cnhttps://blog.csdn.net/https://blog.csdn.net/chcn00/article/details/42743825https://blog.csdn.net/chcn00/article/details/42743825chcn00Thu, 15 Jan 2015 17:21:37 +0800https://blog.csdn.net/chcn00/article/details/41694555https://blog.csdn.net/chcn00/article/details/41694555chcn00Wed, 03 Dec 2014 11:14:55 +0800https://blog.csdn.net/chcn00/article/details/41115827https://blog.csdn.net/chcn00/article/details/41115827chcn00Fri, 14 Nov 2014 11:25:46 +0800https://blog.csdn.net/chcn00/article/details/38335793https://blog.csdn.net/chcn00/article/details/38335793chcn00Fri, 01 Aug 2014 14:23:17 +0800https://blog.csdn.net/chcn00/article/details/38315835https://blog.csdn.net/chcn00/article/details/38315835chcn00Thu, 31 Jul 2014 13:40:16 +0800https://blog.csdn.net/chcn00/article/details/38312863https://blog.csdn.net/chcn00/article/details/38312863chcn00Thu, 31 Jul 2014 10:19:29 +0800https://blog.csdn.net/chcn00/article/details/26441715https://blog.csdn.net/chcn00/article/details/26441715chcn00Wed, 21 May 2014 08:37:20 +0800https://blog.csdn.net/chcn00/article/details/19990803https://blog.csdn.net/chcn00/article/details/19990803chcn00Wed, 26 Feb 2014 17:30:43 +0800https://blog.csdn.net/chcn00/article/details/19976781https://blog.csdn.net/chcn00/article/details/19976781chcn00Wed, 26 Feb 2014 14:10:03 +0800https://blog.csdn.net/chcn00/article/details/16819069https://blog.csdn.net/chcn00/article/details/16819069chcn00Tue, 19 Nov 2013 10:15:20 +0800https://blog.csdn.net/chcn00/article/details/5956733https://blog.csdn.net/chcn00/article/details/5956733chcn00Thu, 21 Oct 2010 15:23:00 +0800封单个IP的命令是：
iptables -I INPUT -s 211.1.0.0 -j DROP

封IP段的命令是：
iptables -I INPUT -s 211.1.0.0/16 -j DROP
iptables -I INPUT -s 211.2.0.0/16 -j DROP
iptables -I INPUT -s 211.3.0.0/16 -j DROP

封整个段的命令是：
]]>https://blog.csdn.net/chcn00/article/details/5956721https://blog.csdn.net/chcn00/article/details/5956721chcn00Thu, 21 Oct 2010 15:21:00 +0800iptables 实例杂锦(端口封闭或转发,ip,mac)

#/sbin/modprobe iptable_filter
#/sbin/modprobe ip_tables
#/sbin/modprobe iptable_nat
#/sbin/iptables -F -t nat
adsl拨号的转发
/sbin/iptables -t nat -A POSTROUTING -s 172.16.0.0/24 -o ppp0 -]]>https://blog.csdn.net/chcn00/article/details/5817782https://blog.csdn.net/chcn00/article/details/5817782chcn00Tue, 17 Aug 2010 12:27:00 +0800清除原有iptables防火墙规则
iptables -P INPUT ACCEPT
iptables -F

设置端口和IP访问
iptables -P INPUT DROP
iptables -A INPUT -s 127.0.0.1 -j ACCEPT
iptables -A INPUT -s 211.148.164.128/27 -j ACCEPT
iptables -A INPUT -s 60]]>https://blog.csdn.net/chcn00/article/details/5817778https://blog.csdn.net/chcn00/article/details/5817778chcn00Tue, 17 Aug 2010 12:27:00 +0800
Linux命令：

ps -ef | grep httpd | wc -l


查看Apache的并发请求数及其TCP连接状态：

Linux命令：

netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}'

返回结果示例：
　　LAST]]>https://blog.csdn.net/chcn00/article/details/5817774https://blog.csdn.net/chcn00/article/details/5817774chcn00Tue, 17 Aug 2010 12:25:00 +0800https://blog.csdn.net/chcn00/article/details/5799205https://blog.csdn.net/chcn00/article/details/5799205chcn00Mon, 09 Aug 2010 16:26:00 +0800用Universal Installer卸载oracle顶级组件后:
1.备份windows注册表.运行regedit,导出注册表信息.
2.选择HKEY_CLASSES_ROOT节点,删除所有以字符串ORACLE,ORA,ORCL开头的项.
3.选择HKEY_LOCAL_MACHINE/SOFTWARE/ORACLE,按del键删除这个节点.在这个节点中的HOME1中,定义了Oracle环境变量,如ORACLE_HOME,ORACLE_SID,ORACLE_HOM]]>https://blog.csdn.net/chcn00/article/details/5694195https://blog.csdn.net/chcn00/article/details/5694195chcn00Fri, 25 Jun 2010 15:42:00 +0800 /proc/sys/fs/file-ma]]>https://blog.csdn.net/chcn00/article/details/5694173https://blog.csdn.net/chcn00/article/details/5694173chcn00Fri, 25 Jun 2010 15:37:00 +0800
ps -ef|grep httpd|wc -l

pstree |grep httpd   查看httpd进程数（即prefork模式下Apache能够处理的并发请求数）：

Linux命令：
    ps -ef | grep httpd | wc -l

查看Apache的并发请求数及其TCP连接状态：

Linux]]>https://blog.csdn.net/chcn00/article/details/5147884https://blog.csdn.net/chcn00/article/details/5147884chcn00Thu, 07 Jan 2010 09:19:00 +0800https://blog.csdn.net/chcn00/article/details/5147863https://blog.csdn.net/chcn00/article/details/5147863chcn00Thu, 07 Jan 2010 09:16:00 +0800