Created
December 9, 2016 01:47
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Linux daemon for alerting you if you're running out of memory
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#!/bin/bash | |
# Minimum available memory limit, MB | |
THRESHOLD=1024 | |
# Check time interval, sec | |
INTERVAL=60 | |
while : | |
do | |
# For a more detailed message: | |
# free=$(free -h | awk '/^Mem:/{print $4}') | |
# shared=$(free -h | awk '/^Mem:/{print $5}') | |
# bufcache=$(free -h | awk '/^Mem:/{print $6}') | |
# available=$(free -h | awk '/^Mem:/{print $7}') | |
# message="Free: $free\nShared: $shared\nBuffers/cached: $bufcache\nAvailable: $available\n\n~--\n\n$fortune" | |
# MAKE SURE TO CHECK THIS AGAINST YOUR DISTRO'S VERSION OF `free`! Output formats may differ and you might not want `7`. | |
available_mb=$(free -m | awk '/^Mem:/{print $7}') | |
fortune=`fortune -a` # let's make it a little fun | |
message="Only ${available_mb}MB available!\n·\n$fortune" | |
if [ $available_mb -lt $THRESHOLD ] | |
then | |
notify-send -i face-surprise -u critical -t 20000 "Wait, holy shit, you're running out of memory" "$message" | |
fi | |
sleep $INTERVAL | |
done |
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