I am in a very frustrating situation. I am not able to install truffle. Command doesn't work as super-user and even as non super-user!!!!!!!!
As non super-user:
$ npm install -g truffle
npm WARN checkPermissions Missing write access to /usr/local/lib/node_modules/truffle
npm ERR! path /usr/local/lib/node_modules/truffle
npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall access
npm ERR! Error: EACCES: permission denied, access '/usr/local/lib/node_modules/truffle'
npm ERR! { Error: EACCES: permission denied, access '/usr/local/lib/node_modules/truffle'
npm ERR! stack: 'Error: EACCES: permission denied, access \'/usr/local/lib/node_modules/truffle\'',
npm ERR! errno: -13,
npm ERR! code: 'EACCES',
npm ERR! syscall: 'access',
npm ERR! path: '/usr/local/lib/node_modules/truffle' }
npm ERR!
npm ERR! The operation was rejected by your operating system.
npm ERR! It is likely you do not have the permissions to access this file as the current user
npm ERR!
npm ERR! If you believe this might be a permissions issue, please double-check the
npm ERR! permissions of the file and its containing directories, or try running
npm ERR! the command again as root/Administrator (though this is not recommended).
npm ERR! A complete log of this run can be found in:
npm ERR! /home/user/.npm/_logs/2019-01-17T09_08_20_188Z-debug.log
As a super user:
$ sudo npm install -g truffle
/usr/local/bin/truffle -> /usr/local/lib/node_modules/truffle/build/cli.bundled.js
> keccak@1.4.0 install /usr/local/lib/node_modules/truffle/node_modules/keccak
> npm run rebuild || echo "Keccak bindings compilation fail. Pure JS implementation will be used."
> keccak@1.4.0 rebuild /usr/local/lib/node_modules/truffle/node_modules/keccak
> node-gyp rebuild
gyp WARN EACCES user "root" does not have permission to access the dev dir "/home/user/.node-gyp/8.10.0"
gyp WARN EACCES attempting to reinstall using temporary dev dir "/usr/local/lib/node_modules/truffle/node_modules/keccak/.node-gyp"
gyp WARN install got an error, rolling back install
gyp WARN install got an error, rolling back install
gyp ERR! configure error
gyp ERR! stack Error: EACCES: permission denied, mkdir '/usr/local/lib/node_modules/truffle/node_modules/keccak/.node-gyp'
gyp ERR! System Linux 4.15.0-43-generic
gyp ERR! command "/usr/bin/node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /usr/local/lib/node_modules/truffle/node_modules/keccak
gyp ERR! node -v v8.10.0
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! keccak@1.4.0 rebuild: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the keccak@1.4.0 rebuild script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
