Ao rodar o comando pra verificar se o Telegraf está rodando, aparece uma mensgem de erro "401 Unauthorized ":
vagrant@ubuntu-bionic:~$ sudo service telegraf status
● telegraf.service - The plugin-driven server agent for reporting metrics into InfluxDB
Loaded: loaded (/lib/systemd/system/telegraf.service; enabled; vendor preset: enabled)
Active: active (running) since Tue 2021-06-15 01:18:57 UTC; 23h ago
Docs: https://github.com/influxdata/telegraf
Main PID: 24245 (telegraf)
Tasks: 9 (limit: 1151)
CGroup: /system.slice/telegraf.service
└─24245 /usr/bin/telegraf -config /etc/telegraf/telegraf.conf -config-directory /etc/telegraf/telegraf.d
Jun 16 00:30:03 ubuntu-bionic telegraf[24245]: 2021-06-16T00:30:03Z E! [outputs.influxdb] When writing to [http://localhost:8086]: 401 Unauthorized
Jun 16 00:30:03 ubuntu-bionic telegraf[24245]: 2021-06-16T00:30:03Z E! [agent] Error writing to outputs.influxdb: could not write any address
Jun 16 00:30:13 ubuntu-bionic telegraf[24245]: 2021-06-16T00:30:13Z E! [outputs.influxdb] When writing to [http://localhost:8086]: 401 Unauthorized
Jun 16 00:30:13 ubuntu-bionic telegraf[24245]: 2021-06-16T00:30:13Z E! [agent] Error writing to outputs.influxdb: could not write any address
Jun 16 00:30:23 ubuntu-bionic telegraf[24245]: 2021-06-16T00:30:23Z E! [outputs.influxdb] When writing to [http://localhost:8086]: 401 Unauthorized
Jun 16 00:30:23 ubuntu-bionic telegraf[24245]: 2021-06-16T00:30:23Z E! [agent] Error writing to outputs.influxdb: could not write any address
Jun 16 00:30:33 ubuntu-bionic telegraf[24245]: 2021-06-16T00:30:33Z E! [outputs.influxdb] When writing to [http://localhost:8086]: 401 Unauthorized
Jun 16 00:30:33 ubuntu-bionic telegraf[24245]: 2021-06-16T00:30:33Z E! [agent] Error writing to outputs.influxdb: could not write any address
Jun 16 00:30:43 ubuntu-bionic telegraf[24245]: 2021-06-16T00:30:43Z E! [outputs.influxdb] When writing to [http://localhost:8086]: 401 Unauthorized
Jun 16 00:30:43 ubuntu-bionic telegraf[24245]: 2021-06-16T00:30:43Z E! [agent] Error writing to outputs.influxdb: could not write any address
vagrant@ubuntu-bionic:~$
