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[FIXED] Error 'npm ERR! code EACCES permission denied' in Linux

By Rodolfo Castro Lab Verified Read time: 4 min Updated: 2026-08-03
✨ Quick Answer

The error npm ERR! code EACCES permission denied (or EACCES: permission denied, access '/usr/local/lib/node_modules') occurs when trying to install global packages via npm install -g <package>. It happens because system Node directories are owned by root, preventing regular users from writing to them.

Quick Diagnostics

Cause
Running global npm install without write permissions to /usr/local/lib/node_modules
Solution
Change default global npm directory to user home directory
Cause
Project directory ownership belonging to root user
Solution
Run sudo chown -R $USER:$USER . in project root directory

Quick Solution (Recommended): Change npm's default global directory to your home folder:

BASH 
mkdir ~/.npm-global
npm config set prefix '~/.npm-global'
echo 'export PATH=~/.npm-global/bin:$PATH' >> ~/.bashrc && source ~/.bashrc

🚀 Step-by-Step Fixes (Without sudo)

Method 1: Reconfigure NPM Default Global Directory

Running sudo npm creates security vulnerabilities and corrupts folder permissions for non-root users.

  1. Create a global package folder in your HOME directory:

    BASH 
    mkdir -p ~/.npm-global

  2. Configure npm to use the new directory:

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

  3. Append the new binary path to environment PATH: For Bash (~/.bashrc):

    BASH 
    echo 'export PATH=~/.npm-global/bin:$PATH' >> ~/.bashrc
source ~/.bashrc

    For Zsh (~/.zshrc):

    BASH 
    echo 'export PATH=~/.npm-global/bin:$PATH' >> ~/.zshrc
source ~/.zshrc

  4. Verify global installation:

    BASH 
    npm install -g typescript ts-node

Method 2: Use Node Version Manager (NVM)

NVM is the industry standard for managing Node.js environments. It installs Node versions inside the user's home directory, completely isolating permissions.

BASH 
# Install NVM
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash

# Reload terminal
source ~/.bashrc

# Install Node LTS
nvm install --lts

Prevention Advice

Recommended security practices:

Author • Web Designer & App Creator

Rodolfo Castro

Web designer, app developer, and founder of SoporteCero. Specializing in UI/UX architecture, digital products, and modern web environments. Every tutorial and guide on SoporteCero is thoroughly tested and verified in our technical lab to ensure reliable, up-to-date solutions.

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