Section 3 of 6

Linux Hosting

🎯 What You'll Learn

Installing .NET on Linux
Publishing to Linux
Systemd service
Nginx configuration
SSL with Let's Encrypt

Install .NET on Ubuntu

Install .NET SDK Bash

wget https://packages.microsoft.com/config/ubuntu/22.04/packages-microsoft-prod.deb
sudo dpkg -i packages-microsoft-prod.deb
sudo apt-get update
sudo apt-get install -y dotnet-sdk-8.0

Publish and Deploy

Publish Locally Bash

dotnet publish -c Release -o ./publish

Copy to Server Bash

scp -r ./publish/* user@server:/var/www/inventtrack

Create Systemd Service

/etc/systemd/system/inventtrack.service INI

[Unit]
Description=InvenTrack ASP.NET Core App
After=network.target

[Service]
WorkingDirectory=/var/www/inventtrack
ExecStart=/usr/bin/dotnet /var/www/inventtrack/InvenTrack.dll
Restart=always
RestartSec=10
KillSignal=SIGINT
SyslogIdentifier=inventtrack
User=www-data
Environment=ASPNETCORE_ENVIRONMENT=Production
Environment=DOTNET_PRINT_TELEMETRY_MESSAGE=false

[Install]
WantedBy=multi-user.target

Enable and Start Service Bash

sudo systemctl enable inventtrack
sudo systemctl start inventtrack
sudo systemctl status inventtrack

Configure Nginx

/etc/nginx/sites-available/inventtrack Nginx

server {
    listen 80;
    server_name inventtrack.com www.inventtrack.com;

    location / {
        proxy_pass http://localhost:5000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection keep-alive;
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}

Enable Site Bash

sudo ln -s /etc/nginx/sites-available/inventtrack /etc/nginx/sites-enabled/
sudo nginx -t
sudo systemctl reload nginx

SSL with Let's Encrypt

Install Certbot Bash

sudo apt-get install certbot python3-certbot-nginx

Obtain Certificate Bash

sudo certbot --nginx -d inventtrack.com -d www.inventtrack.com

Auto-Renewal Bash

# Test renewal
sudo certbot renew --dry-run

# Certbot automatically sets up cron job for renewal

Useful Commands

Service Management Bash

# View logs
sudo journalctl -u inventtrack -f

# Restart service
sudo systemctl restart inventtrack

# Stop service
sudo systemctl stop inventtrack

# Check status
sudo systemctl status inventtrack

Key Takeaways

Install .NET: Use Microsoft package repository
Systemd service: Run app as background service
Nginx: Reverse proxy to Kestrel
Let's Encrypt: Free SSL certificates
journalctl: View application logs
systemctl: Manage service