Set n architecture

src/freedombone-utils-nodejs

 NODEJS_INSTALLED_APPS_FILE=$HOME/.nodejs-apps
 
 function get_npm_arch {
+    N_ARCH='x86'
     NPM_ARCH='ia32'
     if [[ $ARCHITECTURE == 'arm'* ]]; then
         NPM_ARCH='armv7l'
+        N_ARCH='arm'
     fi
     if [[ $ARCHITECTURE == 'x86_64' || $ARCHITECTURE == 'amd64' ]]; then
         NPM_ARCH='x64'
+        N_ARCH='x64'
     fi
 }
 
 
     # update from the old debian nodejs version
     get_npm_arch
-    chroot "$rootdir" npm install --arch=$NPM_ARCH node@$NODEJS_VERSION -g
+    chroot "$rootdir" npm install --arch=$NPM_ARCH -g n@${NODEJS_N_VERSION} --save
+    chroot "$rootdir" n --arch $N_ARCH ${NODEJS_VERSION}
 }
 
 function remove_nodejs {