Debian Repository for V2Ray
# Install some prerequisites needed by adding GPG public keys
$ sudo apt-get install gnupg ca-certificates curl
# Import our GPG key. Notice the hyphen at the end of line.
$ curl -sSL https://apt.v2fly.org/pubkey.gpg | sudo apt-key add -
# Add the our official APT repository:
$ echo "deb [arch=amd64] https://apt.v2fly.org/ stable main" | sudo tee /etc/apt/sources.list.d/v2ray.list
# To update the APT index:
$ sudo apt-get update
# You can install V2Ray from APT now:
$ sudo apt-get install v2ray