wget https://raw.githubusercontent.co ... n/master/install.sh
--2020-04-26 18:05:13-- https://raw.githubusercontent.co ... n/master/install.sh
Resolving raw.githubusercontent.com... 0.0.0.0, ::
Connecting to raw.githubusercontent.com|0.0.0.0|:443... connected.
ERROR: cannot verify raw.githubusercontent.com's certificate, issued by 'CN=Synology Inc. CA,O=Synology Inc.,L=Taipei,C=TW':
Unable to locally verify the issuer's authority.
ERROR: certificate common name 'synology.com' doesn't match requested host name 'raw.githubusercontent.com'.
To connect to raw.githubusercontent.com insecurely, use `--no-check-certificate'.