InfluxDB : Install

	Install Time Series Database, InfluxDB.
[1]	Install InfluxDB from the InfluxDB official repository.

[root@dlp ~]# cat > /etc/yum.repos.d/influxdb.repo <<'EOF' [influxdb] name = InfluxDB Repository - RHEL $releasever baseurl = https://repos.influxdata.com/rhel/$releasever/$basearch/stable enabled = 1 gpgcheck = 1 gpgkey = https://repos.influxdata.com/influxdata-archive_compat.key EOF [root@dlp ~]#  dnf -y install influxdb [root@dlp ~]#  systemctl enable --now influxdb

[2]	If Firewalld is running and also you'd like to access to InfluxDB from other hosts, allow service port.

[root@dlp ~]#  firewall-cmd --add-port=8086/tcp success [root@dlp ~]#  firewall-cmd --runtime-to-permanent success

[3]	Configure InfluxDB. By default, authentication is disabled, all users can use InfluxDB with privileges. So enable authentication first.

# create an admin user # [admin] ⇒ specify any username you like # [adminpassword] ⇒ set any password [root@dlp ~]#  influx -execute "create user admin with password 'adminpassword' with all privileges" [root@dlp ~]#  influx -execute "show users" user admin ---- ----- admin true [root@dlp ~]#  vi /etc/influxdb/influxdb.conf [http] .... .... # The bind address used by the HTTP service. # bind-address = ":8086" # Determines whether user authentication is enabled over HTTP/HTTPS. # line 263 : uncomment and change auth-enabled = true [root@dlp ~]#  systemctl restart influxdb

[4]	After enabling authentication, access InfluxDB CLI like follows.

# add user info on CLI [root@dlp ~]#  influx -username admin -password adminpassword Connected to http://localhost:8086 version 1.8.10 InfluxDB shell version: 1.8.10 > exit # set user info on environment variables [root@dlp ~]#  export INFLUX_USERNAME=admin [root@dlp ~]#  export INFLUX_PASSWORD=adminpassword [root@dlp ~]#  influx Connected to http://localhost:8086 version 1.8.10 InfluxDB shell version: 1.8.10 > exit # authenticate on HTTP API [root@dlp ~]#  curl -G http://localhost:8086/query?pretty=true -u admin:adminpassword --data-urlencode "q=show users" { "results": [ { "statement_id": 0, "series": [ { "columns": [ "user", "admin" ], "values": [ [ "admin", true ] ] } ] } ] }