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核心代码:
#!/bin/bash check_process(){ tolprocess=`ps auxf|grep DisplayMa[nager]|wc -l` #if [ "$tolprocess" -lt "1" ];then if [ "$tolprocess" -ge "1" ];then echo 'process ok' else echo 'fail' fi } check_log(){ if [ -e /etc/syslog-ng/syslog-ng.conf ];then conlog=`cat '/etc/syslog-ng/syslog-ng.conf'|grep "10.70.72.253"|wc -l` if [ "$conlog" -ge "1" ];then echo 'syslog-ng ok' fi elif [ -e /etc/syslog.conf ];then conlog=`cat '/etc/syslog.conf'|grep "10.70.72.253"|wc -l` if [ "$conlog" -ge "1" ];then echo 'syslog ok' fi else echo 'log not find or error' fi } check_cpuidle(){ mincpu=`sar -u 2 10|grep all|awk '{print $NF}'|sort -nr|tail -1` if [ $(echo "${mincpu} < 20" | bc) = 1 ];then #if [ "$mincpu" -le "20" ];then echo 'cpu idle is less than 20% ,please check' else echo 'cpu idle is more than 20%, it is ok ' fi } check_mem(){ vmstat 2 10 } check_disk(){ chkdsk=`fdisk -l|egrep 'failed|unsynced|unavailable'|wc -l` if [ "$chkdsk" -ge "1" ];then echo 'fdisk check ok ' else echo 'fdisk check find error,please check your disk ' fi } check_io(){ util=`sar -d 2 10|egrep -v 'x86|^$|await'|awk '{print $NF}'|sort -nr|tail -1` await=`sar -d 2 10|egrep -v 'x86|^$|await'|awk '{print $(NF-2)}'|sort -nr|tail -1` if [ $(echo "${util} < 80" | bc) = 1 ] && [ $(echo "${await} < 100" | bc) = 1 ] ;then echo 'disk io check is fine' else echo 'disk io use too high ' fi } check_swap(){ tolswap=`cat /proc/meminfo|grep SwapTotal|awk '{print $2}'` #awk '/SwapTotal/{total=$2}/SwapFree/{free=$2}END{print (total-free)/1024}' /proc/meminfo useswap=`awk '/SwapTotal/{total=$2}/SwapFree/{free=$2}END{print (total-free)}' /proc/meminfo ` util=`awk 'BEGIN{printf "%.1f\n",'$useswap'/'$tolswap'}'` if [ $(echo "${util} < 0.3" | bc) = 1 ] || [ $(echo "${useswap} < 1024" | bc) = 1 ] ;then echo 'swap use is ok ' else echo "useswap: $useswap kb, swap util is $util" fi } check_dmesg(){ chkdm=`dmesg |egrep 'scsi reset|file system full'|wc -l` if [ "$chkdm" -ge "1" ];then echo 'dmesg test ok ' else echo 'dmesg check find error ' fi } check_boot(){ chkdm=`cat /var/log/boot.msg|egrep 'scsi reset|file system full'|wc -l` if [ "$chkdm" -ge "1" ];then echo 'boot check fine ' else echo 'boot check find error ' fi } check_inode(){ maxinode=`df -i|awk '{print $5}'|egrep -v 'IUse|-' |sed 's/%//g'|sort -nr|head -1` if [ $(echo "${maxinode} < 80" | bc) = 1 ];then echo 'inode check ok ' else echo 'inode used more than 80% ' fi } check_df(){ dfuse=`df -HT|awk '{print $6}'|grep -v Use|sed 's/%//g'|sort -nr|head -1` if [ $(echo "${dfuse} < 80" | bc) = 1 ];then echo 'disk used is less than 80% ,it is ok !' elif [ $(echo "${dfuse} > 80" | bc) = 1 ] && [ $(echo "${dfuse} < 90" | bc) = 1 ];then echo 'warning , disk used more than 80% and less than 90% ' else echo ' Critical, disk used more than 90% ' fi } echo '################### check process ###################' check_process echo '################### check syslog ####################' check_log echo '################### check cpuidle ###################' check_cpuidle echo '################### echo memory stat ################' check_mem echo '################### check fdisk #####################' check_disk echo '################### check io used ###################' check_io echo '################### check swap used #################' check_swap echo '################### check dmesg #####################' check_dmesg echo '################### check inode #####################' check_inode echo '################### check disk used #################' check_df
保存为/system/check_linux.sh
标签:
linux,巡检小脚本
神剑山庄资源网 Design By www.hcban.com
神剑山庄资源网
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神剑山庄资源网 Design By www.hcban.com
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2024年10月04日
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