我正在尝试在 Ubuntu 18 上安装 node.js 12 并按照说明进行操作，当我输入
curl -sL https://deb.nodesource.com/setup_10.x | sudo -E bash -
我得到了下一个文本：
Reading package lists... Done
E: The repository 'http://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/3.4 Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/3.0 Release' does not have a Release file.
N: Updating from such a repository can't be done …