dynamic-motd/update-motd.d/03-system-info

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#!/bin/sh
. /etc/update-motd.d/colors
cores=$(grep -c ^processor /proc/cpuinfo 2>/dev/null)
[ "$cores" -eq "0" ] && cores=1
threshold="${cores:-1}.0"
echo
if [ $(echo "`cut -f1 -d ' ' /proc/loadavg` < $threshold" | bc) -eq 1 ]; then
python /etc/update-motd.d/sysinfo.py
else
echo " System information disabled due to load higher than $threshold"
fi
printf "\n"