CPU, RAM,Memory monitoring Script

 # cat /root/script/execute.sh

#!/bin/bash

#execute.sh

doc="/root/backup"

sudo sh /root/script/per_check.sh >> $doc/$( date '+%Y-%m-%d_%H-%M-%S')log.txt

if [ $? -eq 0 ]; then

find $doc/*.txt -mtime +1 -exec rm {} \;

else

echo fail

fi

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# cat /root/script/per_check.sh

#!/bin/bash

#per_check.sh

i=1

printf "Memory-vol10\t\tDisk\t\tCPU\n"

end=$((SECONDS+3600))

while [ $SECONDS -lt $end ]; do

echo $i

free -m | awk 'NR==2{printf "RAM %.2f%%\t\t", $3*100/$2}'

df -h | awk '$NF==2"/"{printf "%s\t\t", $5}'

top -bn1 | grep load | awk '{printf "%.2f%%\t\t\n", $(NF-2)}'

#echo "$i$memory$disk$cpu"

let "i=i+1"

sleep 5

done

---------------------------

]# cat /root/backup/2020-08-15_04-00-01log.txt

Memory-vol10            Disk            CPU

1

RAM 24.66%              0.04%

2

RAM 24.17%              0.03%

3

RAM 24.54%              0.03%

4

RAM 24.17%              0.03%

5

RAM 24.17%              0.02%

6

RAM 24.17%              0.02%

7

RAM 24.17%              0.26%

8

RAM 24.17%              0.24%

9

RAM 24.17%              0.22%

10

RAM 24.17%              0.20%

11

.

.

.

.

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[root@ansiblehost ~]# crontab -l

*/60 * * * * /root/script/execute.sh >/dev/null 2>&1