常用Web运维命令

常用的运维命令（不断收集中....)

实时查看正在执行的sql语句

#/usr/sbin/tcpdump -i eth0 -s 0 -l -w - dst port 3306 | strings | egrep -i 'SELECT|UPDATE|DELETE|INSERT|SET|COMMIT|ROLLBACK|CREATE|DROP|ALTER|CALL'

 

查看http连接

netstat -n | awk '/^tcp/ {++state[$NF]} END {for(key in state) print key,"t",state[key]}'

 

查看SYN状态的http连接

netstat -an | grep SYN | awk '{print $5}' | awk -F: '{print $1}' | sort | uniq -c | sort -nr | more

 

查看TIME_WAIT状态的http连接

netstat -tna | cut -b 49- |grep TIME_WAIT | sort |more

netstat -an | grep TIME_WAIT | awk '{print $5}' | awk -F: '{print $1}' | sort | uniq -c | sort -nr | more

 

查看ESTABLISHED状态的http连接

netstat -an | grep ESTABLISHED | awk '{print $5}' | awk -F: '{print $1}' | sort | uniq -c | sort -nr | morenetstat -an | grep ":80" | grep ESTABLISHED | sort | more

批量kill进程

ps -efww|grep sqlr-listener|grep -v grep|cut -c 9-15|xargs kill -9

 

查看活动的php-cgi连接数

netstat -anpo|grep php-cgi|wc -l