How to Add the PUBKEY of this Repository?

[Wenzhuo Zhang]

das wrote:
> Apt giving this error message for these two repositories, because I
> don't have their gpg-key enabled. How to add that for these two
> repositories:
> 
> W: GPG error: http://edevelop.org feisty Release: The following
> signatures couldn't be verified because the public key is not available:
> NO_PUBKEY 223020C2A7C6F0DF
> W: GPG error: http://e17.dunnewind.net feisty Release: The following
> signatures couldn't be verified because the public key is not available:
> NO_PUBKEY 223020C2A7C6F0DF
> 
> Can someone please provide with the exact syntax, that I can copy and
> paste, because I don't know the exact name of the keyserver of these two
> repositories. 


First, grab a copy of the signing key, and then type the following:

$ sudo apt-key add <filename>

Wenzhuo