彻底卸载nodejs和npm然后使用nvm

sudo apt-get remove --purge npm
sudo apt-get remove --purge nodejs
sudo apt-get remove --purge nodejs-legacy
sudo apt-get autoremove(这个不要轻易运行)
​
#手动删除 npm 相关目录
rm -r /usr/local/bin/npm
rm -r /usr/local/lib/node-modules
rm -r /tmp/npm* 
rm -r /usr/local/n
rm -r /usr/local/lib/node_modules

git clone https://gitee.com/mirrors/nvm.git

./install.sh

另外开个终端就可以使用nvm了。

nvm install v12.18.0

安装后效果如下:

(Python3.6) appleyuchi@Desktop:flink$ which node
/home/appleyuchi/.nvm/versions/node/v12.18.0/bin/node
(Python3.6) appleyuchi@Desktop:flink$ which npm
/home/appleyuchi/.nvm/versions/node/v12.18.0/bin/npm
nvm ls-remote(列出可以安装的版本号)

npm init

npm install express --registry https://registry.npm.taobao.org

查看当前的源是不是淘宝:

npm config get registry

npm install -g @angular/cli(这里必须全局)

如果卸载angular-cli如下:

nvm use v12.18.0
npm uninstall -g angular-cli
npm uninstall -g @angular/cli
npm cache clean
npm install -g @angular/cli@latest

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转载自blog.csdn.net/appleyuchi/article/details/106748734
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