Linux Mint 18.3中安装npm报错：执行sudo npm install -g npm遇问题

Hey there! I’ve dealt with my fair share of npm update headaches on older Ubuntu-based distros like Mint 18.3, so let’s walk through the most reliable fixes to get this sorted:

1. Avoid Permission Conflicts with NVM (Recommended) #

The biggest culprit here is usually system-level permission issues or outdated system packages. Using Node Version Manager (nvm) lets you manage Node.js and npm versions safely without sudo, sidestepping these problems entirely:

• First, purge the system-installed Node.js and npm to start fresh:

  sudo apt remove --purge npm nodejs
  sudo apt autoremove && sudo apt clean
  

• Install nvm by running its official setup script (you can grab the latest command from the nvm project’s GitHub page—no external links needed here, just copy the install script line and run it in your terminal).
• Close and reopen your terminal to load nvm, then install the latest stable Node.js (which includes the latest npm):

  nvm install node
  

• Verify the install worked:

  npm -v
  node -v
  

2. Fix Global npm Permissions Without NVM #

If you’d rather stick with the system package manager, you can reconfigure npm to use a user-specific global directory instead of system folders:

• Create a dedicated global npm folder in your home directory:

  mkdir -p ~/.npm-global
  

• Tell npm to use this folder for global installs:

  npm config set prefix '~/.npm-global'
  

• Add this folder to your system PATH so your terminal recognizes the updated npm:
  • Open your ~/.profile file with a text editor (like nano ~/.profile)
  • Add this line at the bottom: export PATH=~/.npm-global/bin:$PATH
  • Save and exit, then reload your profile:

    source ~/.profile
    

• Now you can update npm without sudo (and without permission errors):

  npm install -g npm
  

3. Clear Corrupted Cache and Reinstall #

Sometimes a broken npm cache causes update failures. Try cleaning it up first:

• Force-clear the npm cache:

  sudo npm cache clean --force
  

• Try the update again:

  sudo npm install -g npm
  

• If that fails, completely remove and reinstall the system npm:

  sudo apt remove --purge npm nodejs
  sudo apt update && sudo apt install npm nodejs
  

4. Install Missing System Dependencies #

Linux Mint 18.3 is an older release, so it might be missing build tools needed for npm updates:

• Install essential build packages:

  sudo apt install build-essential libssl-dev
  

• Then retry the npm update command.

If none of these steps work, share the exact error message you’re seeing—specific error logs will help pinpoint the exact issue!

内容的提问来源于stack exchange，提问作者abu abu