Linux O & M automation shell script tool, linuxshell

Linux O & M automation shell script tool, linuxshell

Linux O & M shell script gadgets. To share this article, please indicate the source of the article,The following scripts are for reference only. If an error occurs on the server, you are not responsible for the consequences.

1. Check cpu remaining percentage

#!/bin/bash#Inspect CPU#Sun Jul 31 17:25:41 CST 2016PATH=/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/wl/binexport PATHTERM=linuxexport TERMCpuResult=$(top -bn 1 | grep "Cpu" | awk '{print $5}' | sed 's/\..*$//g')if [[ $CpuResult < 20 ]];then  echo "CPU WARNING : $CpuResult" > /service/script/.cpu_in.txt  top -bn 1 >> /service/script./cpu_in.txt  mail -s "Inspcet CPU" wl < /service/script/.cpu_in.txtfi

2. Memory Detection

#!/bin/bash#Inspect Memory : If the memory is less than 500 , then send mail to wl#Tue Aug  2 09:13:43 CST 2016PATH=/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/wl/binexport PATHMEM=$(free -m | grep "Mem" | awk '{print $4}')if [[ MEM < 500 ]];then  echo -e "Memory Warning : Memory free $MEM" > /service/script/.MemoryWarning  mail -s "Memory Warning" wl < /service/script/.MemoryWarningfi

3. Check the remaining disk space

#!/bin/bash#Insepct Harddisk , If the remaining space is more than 80%, the message is sent to the wl#Tue Aug  2 09:45:56 CST 2016PATH=/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/wl/binexport PATHfor RemainingSpace in $(df -h | awk '{print $5}' | grep -v 'Use' | sed -e 's/[%]//g')do  if [[ $RemainingSpace > 80 ]];then    echo -e "$RemainingSpace"    echo -e "$(df -h | grep $RemainingSpace)" > /service/script/.HarddiskWarning    mail -s "disk Warning" wl < /service/script/.HarddiskWarning  fidone

4. Check the remaining Inode

#!/bin/bash#Inspcet Inode : If the free INODE is less than 200, the message is sent to the wl#Tue Aug  2 10:21:29 CST 2016PATH=/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/home/wl/binexport PATHfor FreeInode in $(df -i | grep -v "Filesystem" | awk '{print $4}')do  if [[ $FreeInode < 200 ]];then    echo -e "$(df -i | grep "$FreeInode")" > /service/script/.FreeInode    mail -s "FreeInode Warning" wl < /service/script/.FreeInode  fidone

Time: 10:56:00

Name: Wang Li

Mail: w18030432178@outlook.com