nrm
The full name of nrm is npm registry manager, which is the image source management tool of npm. Sometimes foreign resources are too slow, so we can use this to switch image sources.
npm install -g nrmThe most commonly used commands of nrm are:
1. nrm ls to view existing sources
npm ---- https://registry.npmjs.org/
cnpm --- http://r.cnpmjs.org/
* taobao - https://registry.npm.taobao.org/
nj ----- https://registry.nodejitsu.com/
rednpm - http://registry.mirror.cqupt.edu.cn/
npmMirror https://skimdb.npmjs.com/registry/
edunpm - http://registry.enpmjs.org/
2.nrm add <source name> <source address> add a new source
3.nrm use <source name> to switch to an existing source
nrm use taobao
verb config Skipping project config: /home/ooxx/.npmrc. (matches userconfig)
Registry has been set to: https://registry.npm.taobao.org/
4. nrm test speed measurement
npm ---- 663ms
cnpm --- 317ms
* taobao - 342ms
nj ----- Fetch Error
rednpm - Fetch Error
npmMirror 1195ms
edunpm - Fetch Error
nvm
The full name of nvm is Node Version Manager, which is the Nodejs version manager, which allows us to easily switch the version of Nodejs.
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.8/install.sh | bash
source ~/.bashrc Common commands are:
nvm install stable installs the latest stable version of node
nvm install installs the specified version, which can be installed vaguely, such as: install v6.2.0, nvm install 6.2.0
nvm uninstall deletes the installed specified version, the syntax is similar to install
nvm use switch to use the specified version node
nvm ls to list all installed versions
nvm ls-remote lists all remote server versions (official node version list)
nvm current shows the current version
nvm alias to add aliases to different version numbers
nvm unalias remove defined alias
nvm reinstall-packages Reinstalls the npm package of the specified version number globally in the current version of the node environment