I ve tryed sudo nor root, the log starts with :
/usr/local/bin/tessel -> /usr/local/lib/node_modules/tessel/bin/tessel.js
usb@1.0.6 install /usr/local/lib/node_modules/tessel/node_modules/usb
node-pre-gyp install --fallback-to-build
gyp WARN EACCES user "root" does not have permission to access the dev dir "/root/.node-gyp/0.12.7"
gyp WARN EACCES attempting to reinstall using temporary dev dir "/usr/local/lib/node_modules/tessel/node_modules/usb/.node-gyp"
make: entrant dans le répertoire « /usr/local/lib/node_modules/tessel/node_modules/usb/build »
make: *** Pas de règle pour fabriquer la cible « ../.node-gyp/0.12.7/common.gypi », nécessaire pour « Makefile ». Arrêt.
make: quittant le répertoire « /usr/local/lib/node_modules/tessel/node_modules/usb/build »
gyp ERR! build error
gyp ERR! stack Error: make failed with exit code: 2
gyp ERR! stack at ChildProcess.onExit (/usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/build.js:269:23)
gyp ERR! stack at ChildProcess.emit (events.js:110:17)
gyp ERR! stack at Process.ChildProcess.handle.onexit (childprocess.js:1074:12)
gyp ERR! System Linux 3.16.0-62-generic
gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "build" "--fallback-to-build" "--module=/usr/local/lib/node_modules/tessel/node_modules/usb/src/binding/usb_bindings.node" "--module_name=usb_bindings" "--module_path=/usr/local/lib/node_modules/tessel/node_modules/usb/src/binding"
gyp ERR! cwd /usr/local/lib/node_modules/tessel/node_modules/usb
gyp ERR! node -v v0.12.7
gyp ERR! node-gyp -v v2.0.1
gyp ERR! not ok
