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May 20, 2017 08:40
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Script to run with cron to update vnstati output
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| #!/usr/bin/env bash | |
| # Fail on any error | |
| set -e | |
| # Debug | |
| # set -x | |
| ########################################################################### | |
| ####### Set below as appropropriate for your environment ################## | |
| ####### IFACE is the interface (use `ifconfig` to get the name) ########### | |
| ####### WEB_DIR is where vnstat files will be output ###################### | |
| ####### USER is the user vnstat will be run as ############################ | |
| ########################################################################### | |
| IFACE='en0' | |
| WEB_DIR='/path/to/my/webdir' | |
| USER='_www' | |
| PATH=/usr/local/bin:$PATH | |
| CWD=$(pwd) | |
| ######################################################### | |
| function cleanup { | |
| cd "$CWD" | |
| exit 1 | |
| } | |
| trap 'cleanup' SIGHUP SIGINT SIGTERM ERR | |
| ######################################################### | |
| sudo -u ${USER} bash <<EOF | |
| # Fail on any error | |
| set -e | |
| # Debug | |
| # set -x | |
| if [[ ! "\$(whoami)" == "${USER}" ]]; then | |
| echo "Must be run as ${USER}, you are \$(whoami)" | |
| exit 1 | |
| fi | |
| cd "${WEB_DIR}" | |
| vnstati -i ${IFACE} -vs -o vnstat.png | |
| vnstati -i ${IFACE} -d -o vnstat_d.png | |
| vnstati -i ${IFACE} -m -o vnstat_m.png | |
| vnstat --xml > vnstat.xml | |
| echo "vnstati files successfully generated in ${WEB_DIR}" | |
| EOF |
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