使用npm run dev 執行一個新的vue專案時，報錯如下：

sh: 1: webpack-dev-server: Permission denied
npm ERR! code ELIFECYCLE
npm ERR! errno 126
npm ERR! [email protected] dev: `webpack-dev-server --inline --progress --config build/webpack.dev.conf.js "8088"`
npm ERR! Exit status 126
npm ERR!
npm ERR! Failed at the [email protected]

dev script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/joker/.npm/_logs/2018-10-12T04_06_22_626Z-debug.log
[email protected]:~/Downloads/vueTest/src$ npm uninstall webpack-dev-server
npm WARN optional SKIPPING OPTIONAL DEPENDENCY:

[email protected] (node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})

removed 83 packages in 25.961s

解決辦法： 解除安裝npm uninstall webpack-dev-server，安裝npm i

[email protected]

在執行，成功啟動。如有更好的解決方案歡迎指正！