i'm trying to install firebase-tools in ubuntu (16.04) but i get an error
after i execute the command line:
npm install -g firebase-tools
The error:
npm ERR! tar.unpack untar error /home/rezk/.npm/firebase-tools/3.2.1/package.tgz
npm ERR! Linux 4.4.0-59-generic npm ERR! argv "/usr/bin/nodejs" "/usr/bin/npm" "install" "-g" "firebase-tools" npm ERR! node v4.4.7 npm ERR! npm v2.15.8 npm ERR! path /usr/lib/node_modules/firebase-tools npm ERR! code EACCES npm ERR! errno -13 npm ERR! syscall mkdir
npm ERR! Error: EACCES: permission denied, mkdir '/usr/lib/node_modules/firebase-tools' npm ERR! at Error (native) npm ERR! { [Error: EACCES: permission denied, mkdir '/usr/lib/node_modules/firebase-tools'] npm ERR! errno: -13, npm ERR! code: 'EACCES', npm ERR! syscall: 'mkdir', npm ERR! path: '/usr/lib/node_modules/firebase-tools', npm ERR! fstream_type: 'Directory', npm ERR! fstream_path: '/usr/lib/node_modules/firebase-tools', npm ERR! fstream_class: 'DirWriter', npm ERR! fstream_stack: npm ERR! [ '/usr/lib/node_modules/npm/node_modules/fstream/lib/dir-writer.js:35:25', npm ERR! '/usr/lib/node_modules/npm/node_modules/mkdirp/index.js:47:53', npm ERR! 'FSReqWrap.oncomplete (fs.js:82:15)' ] } 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! /home/rezk/npm-debug.log
how could i solve that? Note: i have installed Node.js