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bash memory usage

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Ryan Walker answered on November 25, 2020 Popularity 8/10 Helpfulness 6/10

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bash memory usage

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# Memory Usage to 2 decimal places
memUSE=$(awk '/Mem/{printf "%.2f",$3/$2 * 100}' <(free));echo $memUSE%

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Source: Grepper

Tags: bash memory shell

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Contributed on Jan 01 2023

Ryan Walker

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linux memory usage

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// linux command for reporting used memory percentage
$ free | grep Mem | awk '{print $3/$2 * 100.0}'
23.8171

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Source: stackoverflow.com

Tags: linux linu

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Contributed on Nov 25 2020

Fancy Fowl

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Linux memory usage

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$ vmstat -s

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Source: www.binarytides.com

Tags: linux linu

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Contributed on Apr 26 2022

srushti shah

0 Answers Avg Quality 2/10

bash get memory usage percentage

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#!/bin/bash

# grab the second line of the ouput produced by the command: free -g (displays output in Gb)
secondLine=$(free -g | sed -n '2p')

#split the string in secondLine into an array
read -ra ADDR <<< "$secondLine"

#get the total RAM from array
totalRam="${ADDR[1]}"

#get the used RAM from array
usedRam="${ADDR[2]}"

# calculate and display the percentage
pct="$(($usedRam*100/$totalRam))"
echo "$pct%"

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Source: stackoverflow.com

Tags: bash get memory percentage

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Contributed on Sep 03 2022

Angry Angelfish

0 Answers Avg Quality 2/10

bash memory

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1 #!/bin/bash
  2 # 
  3 #
  4 #
  5 #
  6 #
  7 #
  8 #Display the name of the script
  9 SCRIPTNAME="check_memory"
 10 
 11 #Display version
 12 VERSION(){
 13 echo "Version 0.8"
 14 }
 15 
 16 #Display help
 17 HELP(){
 18 echo "$SCRIPTNAME -w <warning level> -c <critical level>"
 19 echo "example: check_ram -w 80 -c 90"
 20 }
 21 
 22 #sequence parameters
 23 w=$1 
 24 c=$2
 25   
 26 while [[ $# -gt 0 ]]
 27 do
 28 case $1 in
 29         -h | --help)VERSION;HELP;;
 30         -w) test -z $w ;if [ $? != 0 ]; then HELP ; fi; break;;
 31         -c) test -z $c ;if [ $? != 0 ]; then HELP ; fi; break;;
 32         *)VERSION;HELP; break;;
 33 esac
 34 done 
 35 
 36 full=$(free -m | awk 'NR==2 {print $2}')
 37 used=$(free -m | awk 'NR==3 {print $3}')
 38 free=$(free -m | awk 'NR==3 {print $4}')
 39 
 40 percent=$(( ($free*100)/$full))
 41 
 42 if [ $used -lt $(( ($full*80)/100 )) ] || [ $free -lt $(( ($full*80)/100 )) ];then
 43 echo "OK: using $used MB, you still have $percent% of free memory"
 44 exit 0
 45 fi
 46 
 47 
 48 
                                                                                                                                                      38,1          Fim

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Source: www.unix.com

Tags: bash memory shell

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Contributed on Jul 08 2022

mohanna hoveyda

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bash memory usage

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