Hi,
Please try
keyserver.ubuntu.com.
keys.gnupg.net is not there any more.
gpg --keyserver
keyserver.ubuntu.com --recv C51AA22389B5B74C3896EF3CA72A581E657A2B8D
gpg --export C51AA22389B5B74C3896EF3CA72A581E657A2B8D | sudo apt-key add -
I'll update the documentation.
On Tue, 31 Aug 2021, Johan Hansson wrote:
> The followinggpg --keyserver
keys.gnupg.net --recv C51AA22389B5B74C3896EF3CA72A581E657A2B8D gpg --export
- Hessu