获取公钥
wget -qO - https://www.mongodb.org/static/pgp/server-4.4.asc | sudo apt-key add -
如果未安装gnupg，需要安装并重新导入key
sudo apt-get install gnupg
wget -qO - https://www.mongodb.org/static/pgp/server-4.4.asc | sudo apt-key add -
创建MongoDB的源
echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/4.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-4.4.list
更新并安装
sudo apt-get update
sudo apt-get install -y mongodb-org
启用MongoDB服务，运行
sudo systemctl enable mongod
mongo