apt-get install influxdb2 influxdb2-cli

from docs: https://docs.influxdata.com/influxdb/v2/get-started/setup/?t=Set+up+with+the+CLI

influx setup

data:

1 root@mach /etc (git)-[master] # influx setup
> Welcome to InfluxDB 2.0!
? Please type your primary username nine
? Please type your password **********
? Please type your password again **********
? Please type your primary organization name nindl.net
? Please type your primary bucket name default
? Please type your retention period in hours, or 0 for infinite 0
? Setup with these parameters?
  Username:          nine
  Organization:      nindl.net
  Bucket:            default
  Retention Period:  infinite
 Yes
User	Organization	Bucket
nine	nindl.net	default

from docs: https://docs.influxdata.com/telegraf/v1/install/

add telegraf sources:

curl --silent --location -O \\nhttps://repos.influxdata.com/influxdata-archive.key 
    && echo "943666881a1b8d9b849b74caebf02d3465d6beb716510d86a39f6c8e8dac7515  influxdata-archive.key"
    | sha256sum -c - && cat influxdata-archive.key
    | gpg --dearmor
    | sudo tee /etc/apt/trusted.gpg.d/influxdata-archive.gpg > /dev/null
    && echo 'deb [signed-by=/etc/apt/trusted.gpg.d/influxdata-archive.gpg] https://repos.influxdata.com/debian stable main'
    | sudo tee /etc/apt/sources.list.d/influxdata.list

install telegraf

sudo apt update && sudo apt install telegraf