Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-get(8))

I follow guide at

wget -qO -
sudo apt-key add - echo "deb stable main"
sudo tee -a /etc/apt/sources.list
sudo apt update && sudo apt install hazelcast=5.1.1

Error

Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-get(8)).

How to overcome this?

1

1 Answer

apt-key now seems to be deprecated, I have created a script that will detect and get the missing keys, you can get it here.

#!/bin/sh -e
tmp="$(mktemp)"
sudo apt-get update 2>&1 | sed -En 's/.*NO_PUBKEY ([[:xdigit:]]+).*/\1/p' | sort -u > "${tmp}"
cat "${tmp}" | xargs sudo gpg --keyserver "hkps://keyserver.ubuntu.com:443" --recv-keys # to /usr/share/keyrings/*
cat "${tmp}" | xargs -L 1 sh -c 'sudo gpg --yes --output "/etc/apt/trusted.gpg.d/$1.gpg" --export "$1"' sh # to /etc/apt/trusted.gpg.d/*
rm "${tmp}"

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