在你的终端上复制并粘贴这段代码 这对我来说非常有效。

sudo apt remove cmdtest
sudo apt remove yarn
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
sudo apt-get update
sudo apt-get install yarn -y

下面的步骤对Pop!_OS 20.10 & ubuntu 20.04

Sudo应该删除cmdtest 须藤易脱纱 curl - ss https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add - 回显"deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list Sudo apt-get update Sudo apt-get install yarn -y 线安装

Run:

source ~/.profile 

再试一次

删除错误包:

sudo apt-get purge cmdtest
sudo apt-get purge yarn

使用npm安装(推荐方式):

建议通过npm包管理器安装Yarn，当你在你的系统上安装它时，npm包管理器与Node.js捆绑在一起。

一旦你安装了npm，你可以运行以下命令来安装和升级Yarn:

npm install --global yarn

替代方法:

Debian / Ubuntu

curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list

sudo apt update && sudo apt install yarn

博士TL; //运行这些命令(在Ubuntu 17.04及以上版本上测试) curl - ss https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add - 回显"deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list Sudo apt-get update && Sudo apt-get install yarn

额外提示:查看官方文档/指南，在其他Ubuntu版本上安装yarn &注意额外的cmdtest错误。https://yarnpkg.com/lang/en/docs/install/#debian-stable

如果你没有安装curl，你可以使用sudo apt install curl安装它

我在Ubuntu 17.04上也遇到了同样的问题。

这个解决方案对我很有效:

sudo apt remove cmdtest
sudo apt remove yarn
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
sudo apt-get update
sudo apt-get install yarn -y

then

yarn install

结果:

yarn install v1.3.2
warning You are using Node "6.0.0" which is not supported and may encounter bugs or unexpected behaviour. Yarn supports the following server range: "^4.8.0 || ^5.7.0 || ^6.2.2 || >=8.0.0"
info No lockfile found.
[1/4] Resolving packages...
[2/4] Fetching packages...
[3/4] Linking dependencies...
[4/4] Building fresh packages...

info Lockfile not saved, no dependencies.
Done in 0.20s.