npm install -g less does not work EACCES permission denied

Question

I m trying to set up less on phpstorm so I can compile  less files to  css on save  I have installed node js and the next step  according to this https   www jetbrains com webstorm help transpiling-sass-less-and-scss-to-css html  is running this command in the terminal   npm install -g less   However when I do this I get these errors        npm install -g less npm WARN install Couldn t install optional dependency  EACCES  permission denied  mkdir   Users brentscholl  npm mkdirp 0 5 1  npm WARN install Couldn t install optional dependency  EACCES  permission denied  mkdir   Users brentscholl  npm graceful-fs 3 0 8  npm WARN install Couldn t install optional dependency  EACCES  permission denied  mkdir   Users brentscholl  npm extend 3 0 0  npm WARN install Couldn t install optional dependency  EACCES  permission denied  mkdir   Users brentscholl  npm readable-stream 2 0 4  npm WARN install Couldn t install optional dependency  EACCES  permission denied  mkdir   Users brentscholl  npm chalk 1 1 1  npm WARN install Couldn t install optional dependency  EACCES  permission denied  mkdir   Users brentscholl  npm xtend 4 0 1  npm WARN checkPermissions Missing write access to  usr local lib node modules  usr local lib  -- less 2 5 3    -- errno 0 1 4       -- prr 0 0 0    -- image-size 0 3 5    -- mime 1 3 4    -- promise 6 1 0       -- asap 1 0 0    -- source-map 0 4 4      -- amdefine 1 0 0  npm ERR  Darwin 15 0 0 npm ERR  argv   usr local bin node    usr local bin npm   install   -g   less  npm ERR  node v5 0 0 npm ERR  npm  v3 3 6 npm ERR  path  usr local lib node modules npm ERR  code EACCES npm ERR  errno -13 npm ERR  syscall access  npm ERR  Error  EACCES  permission denied  access   usr local lib node modules  npm ERR      at Error  native  npm ERR      Error  EACCES  permission denied  access   usr local lib node modules   npm ERR    errno  -13  npm ERR    code   EACCES   npm ERR    syscall   access   npm ERR    path    usr local lib node modules    npm ERR  npm ERR  Please try running this command again as root Administrator   npm ERR  Please include the following file with any support request  npm ERR       Users brentscholl npm-debug log   I m a complete noob here and not sure what to do next  Any help would be very appreciated

User · Answer

Use sudo -i to switch to  root  then execute npm install -g xxxx

User · Answer

Run these commands in a terminal window  note  DON T replace the  USER part    thats a linux command to get your user     sudo chown -R  USER    npm sudo chown -R  USER  usr lib node modules sudo chown -R  USER  usr local lib node modules

User · Answer

sudo chown -R  USER  usr local lib node modules This command will work

User · Answer

Another option is to download and install a new version using an installer   https   nodejs org en download

User · Answer

In linux make sure getting all authority with   sudo su

User · Answer

Using sudo is not recommended  It may give you permission issue later  While the above works  I am not a fan of changing folders owned by root to be writable for users  although it may only be an issue with multiple users  To work around that  you could use a group  with  npm users  but that is also more administrative overhead  See here for the options to deal with permissions from the documentation  https   docs npmjs com getting-started fixing-npm-permissions  I would go for option 2      To minimize the chance of permissions errors  you can configure npm to   use a different directory  In this example  it will be a hidden   directory on your home folder       Make a directory for global installations    mkdir    npm-global       Configure npm to use the new directory path    npm config set prefix     npm-global        Open or create a    profile file and add this line    export PATH    npm-global bin  PATH       Back on the command line  update your system variables    source    profile       Test  Download a package globally without using sudo   npm install -g jshint       If still show permission error run  mac os    sudo chown -R  USER    npm-global       This works with the default ubuntu install of   sudo apt-get install nodejs npm   I recommend nvm if you want more flexibility in managing versions  https   github com creationix nvm  On MacOS use brew  it should work without sudo out of the box if you re on a recent npm version   Enjoy

User · Answer

Reinstall node and npm with Node Version Manger  as per written in npm documentation  to avoid permission errors   In OSX   curl -o- https   raw githubusercontent com creationix nvm v0 33 8 install sh   bash   or follow this article   http   dev topheman com install-nvm-with-homebrew-to-use-multiple-versions-of-node-and-iojs-easily   Windows users should install nvm-windows  For further help how to install nvm refer the nvm readme   Then choose for example   nvm install 8 0 0 nvm use 8 0   Now you can give another try   npm install -g less

User · Answer

For my mac environment   sudo chown -R  USER  usr local lib node modules   solve the issue

User · Answer

I have tried all the suggested solutions but nothing worked   I am using macOS Catalina 10 15 3  Go to  usr local   Select bin folder   Get Info  Add your user to Sharing  amp  Permissions  Read  amp  Write Permissions    And go to terminal and run npm install -g  ionic cli  It has helped me

User · Answer

Mac OS X Answer  You don t have write access to the node modules directory  npm WARN checkPermissions Missing write access to  usr local lib node modules   Add your User to the directory with write access   Open folder containing node modules  open  usr local lib  Do a cmd I on the node modules folder to open the permission dialog Add your user to have read and write access in the sharing and permissions section

[node.js] npm install -g less does not work: EACCES: permission denied

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