InfluxDB安裝

1. 官網下載最新穩定版的InfluxDB: https://portal.influxdata.com/downloads/
   
2. 按照官網指示進行下載和安裝

wget https://dl.influxdata.com/influxdb/releases/influxdb-1.8.0.x86_64.rpm
sudo yum localinstall influxdb-1.8.0.x86_64.rpm

3. 安裝完成後根據需求進行修改配置文件 /etc/influxdb/influxdb.conf

vim /etc/influxdb/influxdb.conf

4. 修改InfluxDb數據目錄的權限

chown -R influxdb:influxdb /wyyt/data/influxdb

5. 啓動InfluxDB

systemctl start influxdb

6.連接測試

influx
> show databases
> quit

7. 創建數據庫

## 創建數據庫test
create database test
## 創建用戶和密碼
CREATE USER sa WITH PASSWORD 'sa'
## 授權數據庫給指定用戶
GRANT ALL PRIVILEGES ON test TO sa
## 創建默認的數據保留策略，設置保存時間30天，副本爲1
CREATE RETENTION POLICY "test_retention" ON "test" DURATION 30d REPLICATION 1 DEFAULT