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Host a community cTab Web server
In order to install cTabWebApp on your communauty server, you will require :
- Linux server with Ubuntu 18+ (can work with other distributions, but commands to install will be different)
- 2 GHz CPU or more
- 1 GB RAM or more
- 1 GB disk or more
- Low latency network
- SSH client such as PuTTY
- SFTP client such as FileZilla
- User account on server with "sudo" rights and SSH access
If you have a large communauty, you can host up to 500 players, but server must have much more higher requirements :
- 4 GB or more RAM
- 8 CPU Cores at 2 Ghz or more (a single player requires at average 0.015 Cores at 2 GHz)
- 150 MB/s network (a single player requires at average 0.3 MB/s)
- Ability to handle simultaneous 1200 TCP open connections (a single player requires at average 2.1 TCP open connections)
- No other service hosted on server
sudo apt-get install -y dotnet-sdk-8.0
wget https://raw.githubusercontent.com/jetelain/cTab/refs/heads/master/cTabIRL/setup/setup.sh
chmod +x setup.sh
./setup.sh
See https://learn.microsoft.com/en-us/dotnet/core/install/linux
sudo apt-get install -y dotnet-8.0
Create a directory for cTabWebApp files with command sudo mkdir /var/www/ctab
Ensure that you will be able to upload files with sudo chown $USER:$USER /var/www/ctab
Download zip from https://github.com/jetelain/cTab/releases/
Upload it to the server with a SFTP client, then extract content to /var/www/ctab
Make the server executable with sudo chmod +x /var/www/ctab/cTabWebApp
Create a directory to host aspnet core keys with sudo mkdir /var/aspnet-keys
Ensure that server will be able to access that directory with sudo chown www-data:www-data /var/aspnet-keys
Edit cTabWebApp settings nano /var/www/ctab/appsettings.json
{
/* ... */
"UnixKeysDirectory": "/var/aspnet-keys",
// (Optional) "SteamKey": "XXXXXXXXXXXX", // Steam API key, to get from https://steamcommunity.com/dev/apikey
"Communauty": {
"Name": "Your communauty name here",
"Home": "http:/yourhostname.com",
"Contact": "https://discord.gg/yourDiscordHere or contact form (a way to contact you, legal obligation)",
"PublicationDirector": "Your name or pseudonym (legal obligation)",
"DPO": "Your name or pseudonym (legal obligation)",
"Host": "Address and phone number of your Linux Server host company (legal obligation)"
}
}Create a new systemd service, with command sudo nano /etc/systemd/system/kestrel-ctab.service
Copy-paste the following configuration:
[Unit]
Description=cTabWebApp
[Service]
WorkingDirectory=/var/www/ctab
ExecStart=/var/www/ctab/cTabWebApp --urls http://localhost:5010/
Restart=always
RestartSec=10
KillSignal=SIGINT
SyslogIdentifier=ctab
User=www-data
Environment=ASPNETCORE_ENVIRONMENT=Production
[Install]
WantedBy=multi-user.target
Ensure that Apacche2 is installed with sudo apt-get install apache2
Create a new Apache2 web site configuration, with sudo nano /etc/apache2/sites-available/001-ctab.conf
Copy-paste the following configuration:
# This part might be already in 000-default.conf
<VirtualHost *:*>
RequestHeader set "X-Forwarded-Proto" expr=%{REQUEST_SCHEME}
</VirtualHost>
# cTabWebApp
<VirtualHost *:80>
ProxyPreserveHost On
ProxyPass /ERROR/ !
ProxyPass / http://localhost:5010/
ProxyPassReverse / http://localhost:5010/
# Here change the server name to the appropriate value !
ServerName ctab.yourhostname.com
ErrorLog ${APACHE_LOG_DIR}/ctab-error.log
CustomLog ${APACHE_LOG_DIR}/ctab-access.log common
Alias /ERROR/ /var/www/html/
ErrorDocument 503 /ERROR/503.html
RewriteEngine On
RewriteCond %{HTTP:Upgrade} =websocket [NC]
RewriteRule /(.*) ws://localhost:5010/$1 [P,L]
</VirtualHost>
Enable required apach2 mods with sudo a2enmod proxy proxy_http rewrite headers deflate proxy_wstunnel
Then enable the web site with sudo a2ensite 001-ctab
Restart Apache2 to make configuration effective with sudo systemctl reload apache2
Web browsers requires web sites to use https. https://certbot.eff.org/ is the easier way to get a working https server.
Install the certbot snap
sudo snap install --classic certbot
Configure your website
sudo certbot --apache
Once it's configured, edit the generated file with nano to add a RequestHeader set directive.
sudo nano /etc/apache2/sites-available/001-ctab-le-ssl.conf
Reload Apache2 configuration to make it effective with
sudo systemctl reload apache2
Start the cTabWebApp with sudo systemctl start kestrel-ctab.service
Open a web browser on the address you have configured (http://ctab.yourhostname.com for the previous example), you should be able to the see the web site.
In case of trouble, you can check service status with sudo systemctl status kestrel-ctab.service, or see logs with journalctl -fu kestrel-ctab.service --since today.
You may preconfigure cTab IRL server for all players on your Arma3 server, or let each user opt-in for your server.
Server address is configured with CBA Settings, in the cTab section (parameter name ctab_irl_connect_uri), address must ends with "/hub" (http://ctab.yourhostname.com/hub for the previous example)
The photo service has specific configuration.
By default, resolution is restricted to 720x1280, and global limit is 15000 photos (around 5 GB with default resolution).
You can change this configuration: edit settings with nano /opt/ctab/appsettings.Production.json (if scripted install) or nano /var/www/ctab/appsettings.json (if full manual install).
Add an "Images" section with wanted settings values. Default values are :
{
...
"Images": {
"MaxTotalImageCount": 15000,
"MaxSessionImageCount": 75,
"RetentionDuration": "0.12:00:00",
"StorageLocation": "/tmp/cTabWebApp/PlayerTakenImages",
"MaxWidth": 720,
"MaxHeight": 1280,
"MaxImageSizeInBytes": 1048576
}
}Server address needs to be whitelisted in allowedHTMLLoadURIs with the Description.ext of the mission.