0 info it worked if it ends with ok 1 verbose cli [ '/usr/bin/nodejs', '/usr/bin/npm', 'run', 'dev' ] 2 info using npm@1.4.21 3 info using node@v4.4.7 4 verbose run-script [ 'predev', 'dev', 'postdev' ] 5 info predev salix-app@1.0.0 6 info dev salix-app@1.0.0 7 verbose unsafe-perm in lifecycle true 8 info salix-app@1.0.0 Failed to exec dev script 9 error salix-app@1.0.0 dev: `webpack --progress --colors --watch` 9 error Exit status 1 10 error Failed at the salix-app@1.0.0 dev script. 10 error This is most likely a problem with the salix-app package, 10 error not with npm itself. 10 error Tell the author that this fails on your system: 10 error webpack --progress --colors --watch 10 error You can get their info via: 10 error npm owner ls salix-app 10 error There is likely additional logging output above. 11 error System Linux 4.7.0-1-amd64 12 error command "/usr/bin/nodejs" "/usr/bin/npm" "run" "dev" 13 error cwd /home/juan/Proyectos/salix 14 error node -v v4.4.7 15 error npm -v 1.4.21 16 error code ELIFECYCLE 17 verbose exit [ 1, true ]