add new key from ubuntu com to apt-get system
#!/bin/bash
apt-key adv --recv-keys --keyserver keyserver.ubuntu.com sudo apt-get update 2>&1 | grep -o '[0-9A-Z]\{16\}$' | xargs
if error gpg: failed to start the dirmngr '/usr/bin/dirmngr': No such file or directory
just sudo apt-get install dirmngr