In same cases appear the following error during GET or POST operations to an HTTPS site using wget.
# wget https://<URL>/seadragon-min.js --2014-11-26 09:30:14-- https://<URL>/seadragon-min.js Resolving <URL> (<URL>)... <IP> Connecting to <URL> (<URL>)|<IP>|:443... connected. ERROR: The certificate of `<URL>' is not trusted. ERROR: The certificate of `<URL>' hasn't got a known issuer.
- Workaround: Using the option
--no-check-certificatewget will not check the certificate
- If from another machine seems that it works, try to install CA-CERTIFICATE
# apt-get install ca-certificates