Apt-get在安装mongodb的16.04或18.04上失败
当我尝试使用https://docs.mongodb.com/getting-started/shell/tutorial/install-mongodb-on-ubuntu/16.04 上的说明安装mongodb时,在安装步骤中得到以下结果: jonathan@poseidon:~$ sudo apt-get install mongodb-org Reading package lists... Done Building dependency tree Reading state information... Done Package mongodb-org is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package …