Linux Shell 网络层监控脚本（监控包括：连接数、句柄数及根据监控反馈结果分析）

脚本监控：

获取最大句柄数的进程：

链接分析：

脚本片段：

 case "$handle" in

          2)

            echo "The handle of the process :   "

            echo " "

            handle | awk ‘{print $3 "\n" $5 "\n" $7 "\n" $9 "\n" $11 "\n"}‘ > temp

            for i in `cat temp`

            do

               ps -ef | grep $i | awk ‘{print "{" $2 "}" ":" "{" $8 "}" ":" "{" $15 "}"}‘ | grep $i

            done

            rm -rf temp

            echo "等待5秒后，自动调整上一页。退出请按ctrl+c:"

            sleep 5

            ;;

           1)

            echo "analysis"

            echo " "

            if [ $closewait -ge "20" ]

            then

                echo "CLOSE_WAIT:$closewait"

                echo "长时间存在大量的CLOSE_WAIT没有被释放，会导致系统响应能力变慢，建议修改Linux内核参数http://cnblogs.com/javame"

            fi

脚本下载：

http://download.csdn.net/detail/yiyu1/7369159