错误情况：
make: g++：命令未找到
make: *** [Release/obj.target/bufferutil/src/bufferutil.o] 错误 127
make:离开目录“/home/lewis/code/Ghost/node_modules/bufferutil/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:270:23)
gyp ERR! stack at emitTwo (events.js:87:13)
gyp ERR! stack at ChildProcess.emit (events.js:172:7)
gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:200:12)
gyp ERR! System Linux 3.13.0-71-generic
gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /home/lewis/code/Ghost/node_modules/bufferutil
gyp ERR! node -v v4.2.0
gyp ERR! node-gyp -v v3.0.3
gyp ERR! not ok
npm ERR! Linux 3.13.0-71-generic
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install"
npm ERR! node v4.2.0
npm ERR! npm v2.14.7
npm ERR! code ELIFECYCLE
npm ERR! bufferutil@1.2.1 install: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the bufferutil@1.2.1 install script 'node-gyp rebuild'.
npm ERR! This is most likely a problem with the bufferutil package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! node-gyp rebuild
npm ERR! You can get their info via:
npm ERR! npm owner ls bufferutil
npm ERR! There is likely additional logging output above.
npm ERR! Please include the following file with any support request:
npm ERR! /home/lewis/code/Ghost/npm-debug.log
解决办法：
安装g++即可：
apt-get -y install g++