一个监视服务器状态的shell脚本

聪明笨小孩

一个监视服务器状态的shell脚本
#! /bin/bash

for (( ; ; ))
do
    clear
    date
    echo -n 'httpd process:             ';ps -ef | grep httpd | grep -v cronolog | grep -v grep | grep -v root | wc -l
    echo -n 'http connection:   ';netstat -an | grep :80 | grep ESTABLISHED | wc -l
    echo -n 'mysql process:             ';echo 'show processlist' | mysql | grep -v Id | grep -v processlist | wc -l
    echo -n 'mysql connection:  ';netstat -an | grep 3306 | grep ESTABLISHED | wc -l
    echo -n 'php-java bridge:   ';netstat -an | grep java-bridge | wc -l
    echo -n 'java process:              ';ps -ef | grep java | grep bridge | wc -l
    echo 'tcp connection stats:';netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print "   ",a, S[a]}'
   echo 'sorted ESTABLISHED http connections: ';netstat -na | grep :80 | grep ESTABLISHED|awk '{print $5}'|awk -F '::ffff:' '{print $2}' | grep ':' | awk -F: '{print $1}' | sort|uniq -c|sort -r +0n
    echo 'sorted http connections: ';netstat -na | grep :80 |awk '{print $5}'|awk -F '::ffff:' '{print $2}' | grep ':' | awk -F: '{print $1}' | sort|uniq -c|sort -r +0n
    sleep 5
done
----转自 Rocky

zxf8517

Syntax error: Bad for loop variable

执行的时候出现了上面的错误提示