1.导入公钥

wget -qO - https://www.mongodb.org/static/pgp/server-4.4.asc | sudo apt-key add -

2.导入源（清华、阿里的镜像都没了）

echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/4.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-4.4.list

3.更新源

sudo apt-get update

4.安装

sudo apt-get install -y mongodb-org

5.查看版本

mongo -version

6.启动 mongodb

sudo systemctl start mongod

7.查看运行状态

sudo systemctl status mongod

8.常用命令

sudo systemctl start mongod #启动
sudo systemctl stop mongod #停止
sudo systemctl restart mongod #重启

卸载

sudo apt-get remove mongodb

sudo apt-get purge mongodb-org*
sudo apt-get purge mongodb
sudo apt-get autoremove
sudo apt-get autoclean

sudo rm -r /var/log/mongodb
sudo rm -r /var/lib/mongodb

卸载后查看

whereis mongo
whereis mongodb
whereis mongod
which mongo
which mongodb
which mongod

参考

物联网架构实例—Ubuntu 安装MongoDB及完全卸载_ubuntu卸载mongodb-CSDN博客