rvm get stable
Downloading https://get.rvm.io
Downloading https://raw.githubusercontent.com/rvm/rvm/master/binscripts/rvm-installer.asc
Verifying /home/grant/.rvm/archives/rvm-installer.asc
gpg: directory '/home/grant/.gnupg' created
gpg: keybox '/home/grant/.gnupg/pubring.kbx' created
gpg: Signature made Sun 30 Dec 2018 05:44:46 AM EST
gpg: using RSA key 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
gpg: Can't check signature: No public key
GPG signature verification failed for '/home/grant/.rvm/archives/rvm-installer' - 'https://raw.githubusercontent.com/rvm/rvm/master/binscripts/rvm-installer.asc'! Try to install GPG v2 and then fetch the public key:
gpg2 --keyserver hkp://pool.sks-keyservers.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
or if it fails:
command curl -sSL https://rvm.io/mpapis.asc | gpg2 --import -
command curl -sSL https://rvm.io/pkuczynski.asc | gpg2 --import -
In case of further problems with validation please refer to https://rvm.io/rvm/security