InfluxDB 2 on Ubuntu 24.04 with HTTPS – Secure Time Series Data Platform

InfluxDB 2.x is a unified time series database developed by InfluxData, featuring an integrated UI, a powerful query engine (Flux), task scheduling, alerting, and support for Telegraf, Prometheus remote write, and native dashboards. When deployed on Ubuntu 24.04, it benefits from the latest LTS kernel and long-term system security, while HTTPS support ensures encrypted communication for sensitive monitoring, financial, or telemetry data.


Overview of InfluxDB 2.x Architecture

InfluxDB 2.x introduced major changes from the 1.x series, including:

ComponentDescription
InfluxDB EngineTime series database engine optimized for high ingest rates
FluxQuery and scripting language replacing InfluxQL
Bucket StorageMulti-tenant-compatible time series storage model
TasksScheduled background jobs for transformation and alerts
Token-based AuthFine-grained access control across organizations and users
DashboardsBuilt-in UI for visualizing metrics without Grafana

All components are tightly integrated and accessible via a unified web UI, CLI, or RESTful API.


Why Ubuntu 24.04 Is a Strong Base for InfluxDB 2

Ubuntu 24.04 LTS (Noble Numbat) offers a stable, long-supported platform with updated libraries and systemd features that benefit InfluxDB in performance and service control:

System FeatureBenefit for InfluxDB
Linux Kernel 6.8+Improved I/O latency and memory efficiency
OpenSSL 3.xStrong TLS support for secure endpoints
Systemd 255+Reliable service restarts, hardening, and socket control
AppArmorOptional additional security confinement
PostgreSQL-style journalLog integration with journald for clean diagnostics
LTS Security UpdatesSupport through 2029 (ESM available beyond)

Ubuntu’s Snap and APT ecosystems also offer multiple ways to deploy InfluxDB (though for 2.x, official binaries or Docker images are typically preferred for compatibility).


Enabling HTTPS for InfluxDB 2 on Ubuntu 24.04

By default, InfluxDB 2 uses HTTP for local development. Enabling HTTPS (TLS) is essential for production, particularly when exposing the API or UI to external clients.

Key aspects of TLS configuration:

ParameterDescription
tls-certPath to your public certificate (PEM format)
tls-keyPath to your private key
https-enabled = trueForces all REST and UI access over HTTPS
Optional: tls-min-versionControl minimum TLS version (e.g., 1.2 or 1.3)
Optional: tls-caCustom CA support for mutual TLS (mTLS) setups

TLS can be configured in either:

  • The influxdb.conf file (if using a config-based install)
  • Or via environment variables (e.g., INFLUXD_TLS_CERT, INFLUXD_TLS_KEY) when launching the binary or systemd unit

Let’s Encrypt or custom CA certificates can be used. In production, an NGINX reverse proxy is commonly used to handle HTTPS termination and enforce HSTS or rate limiting.


Example HTTPS Setup Architecture

[ Client (Browser / API) ]
            |
         HTTPS (TLS)
            |
        [ NGINX Proxy ]
            |
         HTTP (localhost)
            |
       [ InfluxDB 2 Server ]

This approach separates concerns—NGINX handles public traffic, HTTPS certificates, and WebSockets, while InfluxDB listens securely on the internal loopback interface.


Use Cases for InfluxDB 2 + HTTPS

  • IoT & Sensor Networks – Secure ingestion of time series data from distributed nodes
  • Application Metrics – Protect service monitoring data (Telegraf, Prometheus Remote Write)
  • DevOps Monitoring – Safeguard dashboards and system alerts from exposure
  • Financial Time Series Analysis – Ensure encrypted access to sensitive data
  • Edge & Hybrid Deployments – Use mutual TLS for data sync between sites and cloud

With HTTPS, InfluxDB becomes viable for GDPR-compliant setups, enterprise telemetry, and scenarios with strict data sovereignty requirements.


Security Features on Ubuntu 24.04 with InfluxDB 2

FeatureImplementation
HTTPS (TLS)Full server-side encryption for REST API and Web UI
API TokensScoped tokens for users, buckets, tasks
Role-based AccessControl write/read access by resource (via UI or CLI)
Audit LoggingRequest logs can be captured via NGINX or journald
UFW & AppArmorLock down server ports and define strict syscall boundaries
Fail2Ban / DoS ToolsOptionally protect endpoints from brute force or abuse

Additionally, InfluxDB supports basic auth over HTTPS, but token-based headers are preferred for automation and API integrations.


Integration with Other Tools (All Over HTTPS)

Tool/ServiceIntegration ModeUse Case
GrafanaDatasource via HTTPS + TokenAdvanced dashboarding and alerting
TelegrafDirect line protocol HTTPS POSTSecure metrics ingestion
Kapacitor (1.x only)Alerting pipeline (deprecated)Older alert rule support
PrometheusRemote write to InfluxDB 2Prometheus-to-Influx migration
Influx CLI / APIFully HTTPS-compliant toolsAdministrative scripting, backups, queries

Deploying InfluxDB 2 on Ubuntu 24.04 with HTTPS gives you:

  • A secure, LTS-backed platform for time series data
  • Encrypted endpoints for both UI and API usage
  • Compatibility with modern TLS certificates and reverse proxies
  • Protection against unauthorized data exposure in sensitive workloads
  • Integration with observability stacks like Grafana and Telegraf

This setup is ideal for production-grade observability, data collection, or scientific metrics analysis—especially in regulated or multi-tenant environments.


Step 1: Create and Connect to a VPS

First, create a VPS instance on Shape.Host:

Go to https://shape.host and log in.

Click “Create” → choose “Instance”.

Shape.host Resources dashboard with Create > Instance highlighted.

Select the server location closest to your audience.

Shape.host instance form with the data center location selector highlighted.

Select the Ubuntu 24.04 (64-bit) OS.

Choose a plan with at least 1 CPU, 1 GB RAM, and 10 GB SSD.

Shape.host instance form with the operating system image selector highlighted.

Click “Create Instance”.

Shape.host instance form with the Create Instance button highlighted.

After a few moments, note the instance IP address from the “Resources” section.

Shape.host Resources dashboard with the server IP address highlighted.

Step 2: Connect to Your VPS

Linux/macOS:

Open a terminal and run:

ssh root@your_server_ip

Windows:

Download PuTTY, open it, enter your server’s IP in Host Name, and click Open to connect.


Step 3: Update Your System

Update package lists and upgrade packages:

apt update
apt upgrade -y
Terminal showing APT package management commands and output.

Step 4: Install Required Dependencies

Install tools needed to add repositories:

apt install curl gnupg2 ca-certificates lsb-release -y
Terminal showing APT package management commands and output.

Step 5: Add InfluxData GPG Key

Download and store the repository’s GPG key securely:

curl -fsSL https://repos.influxdata.com/influxdata-archive_compat.key | gpg --dearmor -o /usr/share/keyrings/influxdata-archive-keyring.gpg

Step 6: Add InfluxDB Repository

Add the official InfluxDB repo:

echo "deb [signed-by=/usr/share/keyrings/influxdata-archive-keyring.gpg] https://repos.influxdata.com/ubuntu jammy stable" > /etc/apt/sources.list.d/influxdb.list

Update your package list again:

apt update
Terminal showing APT package management commands and output.

Step 7: Install InfluxDB 2

Install InfluxDB and the CLI tools:

apt install influxdb2 influxdb2-cli -y
Terminal showing systemd service management commands or output.

Step 8: Enable and Start InfluxDB

Enable and start the service:

systemctl enable influxdb
systemctl start influxdb

Check if it’s running:

systemctl status influxdb
Terminal showing systemd service management commands or output.

Step 9: Run Initial InfluxDB Setup

Run the initial setup (follow the prompts):

influx setup
Terminal showing the InfluxDB command-line setup prompts.

Step 10: Install Nginx and Certbot

Install Nginx and Certbot to enable HTTPS:

apt install nginx python3-certbot-nginx -y
Terminal showing APT package management commands and output.

Start and enable Nginx:

systemctl enable --now nginx
Terminal showing systemd service management commands or output.

Step 11: Configure Nginx for InfluxDB

Create an Nginx configuration file for reverse proxy:

nano /etc/nginx/sites-available/influxdb

Paste the following content, replacing your-domain.com:

server {
    listen 80;
    server_name your-domain.com;

    location / {
        proxy_pass http://localhost:8086;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}
Terminal showing web server configuration text.

Enable the configuration:

ln -s /etc/nginx/sites-available/influxdb /etc/nginx/sites-enabled/

Test and reload Nginx:

nginx -t && systemctl reload nginx
Terminal showing systemd service management commands or output.

Step 12: Enable HTTPS with Certbot

Obtain and install an SSL certificate (replace with your actual domain):

certbot --nginx -d your-domain.com --redirect
Terminal showing the InfluxDB command-line setup prompts.

Done!

You can now access your InfluxDB dashboard securely at:

https://your-domain.com
InfluxDB sign-in form.
InfluxDB getting started page with client library options.

For a secure, high-performance VPS, use Shape.Host Linux SSD VPS. Their fast provisioning and Ubuntu 24.04 support make it perfect for InfluxDB, Docker, and other DevOps tools.