Simple script to upload one value to one channel on http://xively.com using only standard unix command line tools. More detaild description at http://vaclav.synacek.com/blog/2014/02/02/xively-data-logging-the-unix-way/

xively

#!/bin/bash    
#
# simple script to upload one value to one channel on xively.com
#
# exaple to upload value "23.4" to channel "temperature" use:
# xively temperature 23.4
#
# example to upload value "runnig" to channel "status" use escaping:
# xively status \"running\"
#
#

# change these two strings to your API key and your API endpoint
APIKEY="cPHLfGw1WJdMAbU8FZbfsdFyJ8suayHEH3OChRrkpYwQCmrb"
APIENDPOINT="https://api.xively.com/v2/feeds/1242061948"

if [ -z "$1" ]; then 
  echo usage: $0 channel current_value
  exit
fi
STREAM=$1

if [ -z "$2" ]; then 
  echo usage: $0 channel current_value
  exit
fi
VALUE=$2

echo "{\"datastreams\": [ {\"id\":\"$STREAM\",\"current_value\":$VALUE}]" |\
xargs -0 -I {} \
curl --request PUT --data-binary {} \
--header "X-ApiKey: $APIKEY" $APIENDPOINT

xively-loadavg

#!/bin/bash    
#
# simple script to upload system load average to http://xively.com
# assuming:
#     xively script is on the path
#     xively feed has channel "loadavg" already created
#
# just put this to /etc/cron.minutely
# or /etc/cron.hourly and be happy
#
#

cat /proc/loadavg |\
xargs xively loadavg

xively-thermal

#!/bin/bash    
#
# simple script to upload system temperature to http://xively.com
# assuming:
#     xively script is on the path
#     xively feed has channel "thermal" already created
#     it is in Celsius units
#     /sys/class/thermal/thermal_zone0/temp is the path to system
#         temperature in your distribution (true for debian based distros)
#
# just put this to /etc/cron.minutely or /etc/cron.hourly and be happy
#
#


awk '{printf "%2.3f", $1/1000}' /sys/class/thermal/thermal_zone0/temp |\
xargs xively thermal