Frequently asked questions
How to install wsl and snap on windows ?
- Install WSL2 powershell: wsl --install
- Install Ubuntu 22.04 powershell: wsl --install -d Ubuntu-22.04
- Enable systemd in WSL
- Update software sudo apt update && sudo apt full-upgrade
- Install snap sudo apt install snap
- Install opcua-modeler sudo snap install opcua-modeler
Licence Error: 48 Failed to connect to the server due to network error.
Opcua-modeler uses CRYPTLEX for licence validation. You may need to update your DNS or proxy settings to enable the required connection with the cryptlex server.
https://docs.cryptlex.com/node-locked-licenses/proxies-and-firewall
- 52.223.22.71
- 35.71.188.31
npm error SELF_SIGNED_CERT_IN_CHAIN when I run npm login or npm install
Your company's proxy inspects HTTPS traffic and re-signs it with its own certificate.
Point NODE_EXTRA_CA_CERTS at the corporate root certificate, as explained in
Installation → Troubleshooting.
My evaluation licence has expired, how can I upgrade to a permanent licence ?
To upgrade to a permanent license, you can either:
- Register online - and get started quickly: Complete the online registration process.
- Fill out the contact form on our website o ask for a dedicated quote: Contact Form.
- Contact us via email: Send an email to contact@sterfive.com.
Upon receiving your request, we will send you an activation code within 48 hours.
If you have any further questions or need assistance, feel free to reach out to us.