After you purchase a license or request a demo version, a file containing the license serial number will be sent to your e-mail address.
Example contents file license.txt:
⚠️Note - this is only an example of the contents of the file! All characters in this file are part of the license number.
⚠️Please copy all contents from the received file.
To install the license file on the server, place it in the /etc/astra folder, or you can use the command:
sudo -s sh <(wget -qO- https://cesbo.com/download/astra/scripts/license.sh)
After that - start the Astra process, for example, executing the command in the server console.
systemctl start astra