[Express] 安裝node.js和nvm
- 安裝node：
$ brew install node ... Warning: The post-install step did not complete successfully You can try again using `brew postinstall node` ... $ sudo chown -R (whoami) $(brew --prefix)/* Password: 輸入完密碼，再次測試 node -v $ node -v Unknown command ‘node’ $ brew install node Warning: node 12.1.0 is already installed, it's just not linked You can use `brew link node` to link this version $ brew link node Linking /usr/local/Cellar/node/12.1.0... Error: Could not symlink include/node/common.gypi Target /usr/local/include/node/common.gypi already exists. You may want to remove it: rm '/usr/local/include/node/common.gypi' To force the link and overwrite all conflicting files: brew link --overwrite node To list all files that would be deleted: brew link --overwrite --dry-run node 根據建議執行 brew link — overwrite node $ brew link — overwrite node Linking /usr/local/Cellar/node/12.1.0… Error: Could not symlink include/node/common.gypi /usr/local/include/node is not writable. 權限不足無法覆寫，改檔案權限再試一次 $ sudo rm ‘/usr/local/include/node’ $ sudo chown -R $USER /usr/local $ brew link --overwrite node $ npm