npm will not install express?

npm will not install express?

I currently have node.js version 0.8.8, and npm 1.1.59 installed.

Whenever I run:

$ npm install -g express  

I get this in return:

npm ERR! Error: EACCES, open '/Users/devinandrews/.npm/64a534c1-express.lock'  npm ERR!  { [Error: EACCES, open '/Users/devinandrews/.npm/64a534c1-express.lock']  npm ERR!   errno: 3,  npm ERR!   code: 'EACCES',  npm ERR!   path: '/Users/devinandrews/.npm/64a534c1-express.lock' }  npm ERR!   npm ERR! Please try running this command again as root/Administrator.    npm ERR! System Darwin 12.1.0  npm ERR! command "node" "/usr/local/bin/npm" "install" "-g" "express"  npm ERR! cwd /Users/devinandrews  npm ERR! node -v v0.8.8  npm ERR! npm -v 1.1.59  npm ERR! path /Users/devinandrews/.npm/64a534c1-express.lock  npm ERR! code EACCES  npm ERR! errno 3  npm ERR! stack Error: EACCES, open '/Users/devinandrews/.npm/64a534c1-express.lock'  npm ERR!   npm ERR! Additional logging details can be found in:  npm ERR!     /Users/devinandrews/npm-debug.log  npm ERR! not ok code 0  

I'm pulling my hair out right now trying to figure this out.

Update:

I ran

$ npm -g ls  

to see my what npm has installed globally:

/usr/local/lib  ??? express@3.0.0rc4  ? ??? commander@0.6.1  ? ??? connect@2.4.4  ? ? ??? bytes@0.1.0  ? ? ??? formidable@1.0.11  ? ? ??? pause@0.0.1  ? ? ??? qs@0.4.2  ? ??? cookie@0.0.4  ? ??? crc@0.2.0  ? ??? debug@0.7.0  ? ??? fresh@0.1.0  ? ??? methods@0.0.1  ? ??? mkdirp@0.3.3  ? ??? range-parser@0.0.4  ? ??? send@0.0.4  ?   ??? mime@1.2.6  ??? npm@1.1.59    ??? abbrev@1.0.3    ??? ansi@0.1.2    ??? archy@0.0.2    ??? block-stream@0.0.6    ??? chownr@0.0.1    ??? couch-login@0.1.10    ??? fstream@0.1.18    ??? fstream-npm@0.1.1    ? ??? fstream-ignore@0.0.5    ??? glob@3.1.12    ??? graceful-fs@1.1.10    ??? inherits@1.0.0    ??? ini@1.0.4    ??? init-package-json@0.0.5    ? ??? promzard@0.2.0    ??? lockfile@0.2.1    ??? lru-cache@2.0.1    ??? minimatch@0.2.6    ??? mkdirp@0.3.4    ??? node-gyp@0.6.7    ??? nopt@2.0.0    ??? npm-registry-client@0.2.6    ??? npmconf@0.0.11    ? ??? config-chain@1.1.1    ?   ??? proto-list@1.2.2    ??? npmlog@0.0.2    ??? once@1.1.1    ??? osenv@0.0.3    ??? read@1.0.4    ? ??? mute-stream@0.0.3    ??? read-installed@0.0.2    ??? read-package-json@0.1.4    ??? request@2.9.203    ??? retry@0.6.0    ??? rimraf@2.0.2    ??? semver@1.0.14    ??? slide@1.1.3    ??? tar@0.1.13    ??? uid-number@0.0.3    ??? which@1.0.5  

but if i run:

$ npm ls  

it returns empty?

Answer by Michael Smith for npm will not install express?

Have you tried sudo npm -g install express?

Answer by supernova for npm will not install express?

run npm cache clean and try to install it again

Answer by ty. for npm will not install express?

I had the same problem, and npm cache clear did not fix it. This problem is caused because the .npm directory in your home directory was created with root privileges. Most likely the first npm command you ran was sudo npm -g and now you are trying to npm install in a local directory.

To solve:

• sudo chown -R yourusername ~/.npm
• This may not be necessary but I also had to rmdir ~/tmp

npm install from package.json should work after this.

Answer by user1640025 for npm will not install express?

i got the same problem , This problem is caused because the .npm directory in your home directory was created with root privileges.

use :

$sudo npm install -g express  

Answer by galo hernandez for npm will not install express?

The solution is:

1 - chown to your user the .npm folder :

sudo chown -R Webmaste /Users/webmaste/.npm/  

2 - At your test folder or your folder:

sudo npm install -g express@2.5.8  

3 - Invoke express from your actual location:

/usr/local/share/npm/bin/express  

4 -

sudo cd . && npm install  

5 - finally:

node app  

---

the final message in the console should look like this:

Express server listening on port 3000 in development mode  

Answer by Mark Karwowski for npm will not install express?

If you can't see nothing wrong with using sudo npm install -g package_name. And have the problem with typing a password you can always add yourself to sudoers files or to the same group that npm executable belongs to.

And so to add yourself to sudoers for npm edit /etc/sudoers adding something like this to the bottom of the file:

your_username  localhost=/usr/local/bin/npm  

Here is step by step guide on how to achieve that if you need more details.

Answer by Doc Honcho for npm will not install express?

In my case, instead of the ~/.npm directory being owned by root, it was ~/tmp, which I didn't think to check until one of the error messages finally led me to find. Procedure for fixing is pretty easy, since it's a tmp directory, we can just blow it away and start again with one owned by you.

sudo rmdir ~/tmp  mkdir ~/tmp  

Answer by Akshay Vijay Jain for npm will not install express?

I faced same issue.

I upgraded the nodejs package by going to the node js download website and then i did not face this issue.

Thank you Good Luck

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