过滤系统日志

filter_log.sh

#!/bin/bash

key_word="USB|usb|eth1|CPU|time|softirq|CD-ROM|IPMI|ipmi|tcpdump|flooding|debugging|ffffffff|UDP|cf_|wzp"

if [ -f "/var/log/message" ];then
    log_time=`date -r /var/log/message +%s`
    real_time=`date +%s`
    diff_time=`expr $real_time - $log_time`

    if [ $diff_time -lt 60 ];then
        tail -n 1 /var/log/message |egrep $key_word &>/dev/null
        if [ "$?" -ne "0" ];then
            echo -e "BS_KERNEL_LOG : 1"
        else
            echo -e "BS_KERNEL_LOG : 0"
        fi
    else
        echo -e "BS_KERNEL_LOG : 0"
    fi
fi