npm error

npm installation error

npm ERR! Error: EACCES, symlink '../lib/node_modules/npm/bin/npm-cli.js'
npm ERR!  { [Error: EACCES, symlink '../lib/node_modules/npm/bin/npm-cli.js']
npm ERR!   errno: 3,
npm ERR!   code: 'EACCES',
npm ERR!   path: '../lib/node_modules/npm/bin/npm-cli.js' }
npm ERR! 
npm ERR! Please try running this command again as root/Administrator.

npm ERR! System Linux 2.6.38-15-generic-pae
npm ERR! command "/usr/bin/node" "/tmp/npm.25935/package/cli.js" "install" "-gf"
npm ERR! cwd /tmp/npm.25935/package
npm ERR! node -v v0.8.2
npm ERR! npm -v 1.1.43
npm ERR! path ../lib/node_modules/npm/bin/npm-cli.js
npm ERR! code EACCES
npm ERR! errno 3
npm ERR! stack Error: EACCES, symlink '../lib/node_modules/npm/bin/npm-cli.js'
npm verb exit [ 3, true ]
npm ERR! 
npm ERR! Additional logging details can be found in:
npm ERR!     /tmp/npm.25935/package/npm-debug.log
npm ERR! not ok code 0
+ ret=3
+ '[' 3 -ne 0 ']'
+ echo 'It failed'
It failed
+ exit 3