Update install-influx.md
Update install-influx.md

curl -sL https://repos.influxdata.com/influxdb.key | sudo apt-key add - source /etc/lsb-release | echo "deb https://repos.influxdata.com/ubuntu trusty stable" | sudo tee /etc/apt/sources.list.d/influxdb.list | sudo apt-get update && sudo apt-get install influxdb && sudo service influxdb start
MastodonC/terraboot