1.debian9更換debian10鏡像源更新提示gpg證書錯誤
W: GPG error: http://mirrors.tuna.tsinghua.edu.cn/debian buster-backports InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 0E98404D386FA1D9 NO_PUBKEY 6ED0E7B82643E131
2.安裝需要的依賴和軟件
apt-get install software-properties-common dirmngr -y
彈窗回車即可
3.添加gpg證書驗證
apt-key adv --keyserver keyserver.ubuntu.com --recv-keys <PUBKEY>
<PUBKEY2>
apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 0E98404D386FA1D9 6ED0E7B82643E131
