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Chad Feierstein

Linux - Ollama Installation

En ëmfassenden Schrëtt-fir-Schrëtt Guide fir Ollama op Debian 12 ze installéieren mat Apache2 Reverse Proxy, SSL-Verschlësselung an HTTP Basic Authentication fir sécher ëffentlech API-Notzung.

Debian 12OllamaApache2SSL/TLSAPI

Setup Schrëtt

Update package lists again

apt update -y && apt upgrade -y

Install basic packages

apt install sudo curl

Download and install Ollama

curl -fsSL https://ollama.com/install.sh | sh

Download and test small test model

ollama run gemma3:4b

Open Ollama service configuration

systemctl edit ollama.service

Add the following environment variables

override.conf
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[Service]Environment="OLLAMA_NUM_PARALLEL=6"Environment="OLLAMA_MAX_QUEUE=512"Environment="OLLAMA_MAX_LOADED_MODELS=3"

Reload systemd manager

sudo systemctl daemon-reexec

Reload Ollama service

sudo systemctl daemon-reload

Restart Ollama service

sudo systemctl restart ollama

Install Apache2 and SSL modules

sudo apt update && sudo apt install apache2 apache2-utils -y

Enable required Apache modules

sudo a2enmod proxy proxy_http ssl headers rewrite

Restart Apache2

sudo systemctl restart apache2

Install Certbot for Let's Encrypt

sudo apt install certbot python3-certbot-apache -y

Request SSL certificate for domain

sudo certbot --apache -d server.chad.lu --register-unsafely-without-email

Create directory for auth files

sudo mkdir -p /etc/apache2/htpasswd

Create user with password for HTTP Basic Auth

sudo htpasswd -c /etc/apache2/htpasswd/ollama-api.htpasswd apiuser

Enter a secure password when prompted

Create the Apache Virtual Host configuration file

server.chad.lu.conf
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<VirtualHost *:80>    ServerName server.chad.lu    Redirect permanent / https://server.chad.lu/</VirtualHost> <VirtualHost *:443>    ServerName server.chad.lu    DocumentRoot /var/www/server.chad.lu     <Directory /var/www/server.chad.lu>        Options Indexes FollowSymLinks        AllowOverride All        Require all granted    </Directory>     # Rewrite-Rule for redirect outside of /ollama/    RewriteEngine On    RewriteCond %{REQUEST_URI} !^/ollama/    RewriteRule ^ https://www.chad.lu%{REQUEST_URI} [R=301,L]     # Proxy Ollama API    ProxyPreserveHost On    ProxyPass "/ollama/" "http://localhost:11434/"    ProxyPassReverse "/ollama/" "http://localhost:11434/"     <Location "/ollama/">        AuthType Basic        AuthName "Ollama API"        AuthUserFile /etc/apache2/htpasswd/ollama-api.htpasswd        Require valid-user    </Location>     # SSL configuration    Include /etc/letsencrypt/options-ssl-apache.conf    SSLCertificateFile /etc/letsencrypt/live/server.chad.lu/fullchain.pem    SSLCertificateKeyFile /etc/letsencrypt/live/server.chad.lu/privkey.pem     # Security headers    Header always set Strict-Transport-Security "max-age=63072000; includeSubDomains"    Header always set X-Content-Type-Options "nosniff"    Header always set X-Frame-Options "DENY"    Header always set X-XSS-Protection "1; mode=block"</VirtualHost>

Enable new site configuration

sudo a2ensite server.chad.lu.conf

Disable default Apache site

sudo a2dissite 000-default.conf

Disable default SSL site

sudo a2dissite 000-default-le-ssl.conf

Reload Apache configuration

sudo systemctl reload apache2

Test API endpoint with curl

curl -u apiuser https://server.chad.lu/ollama/api/generate -H "Content-Type: application/json" -d '{"model": "gemma3:4b", "prompt": "Erzähl mir eine Geschichte.", "stream": true}'

You will be prompted for the 'apiuser' password. On successful test, you will receive JSON responses with generated text fragments.

Problemléisung

Heefeg Problemer an hir Léisungen

Installation ofgeschloss!

Äre Ollama-Server ass elo komplett konfiguréiert a mat HTTPS a Basic Authentication geséchert. Dir kënnt elo sécher op d'API zougräifen.