我正在尝试安装 npm live-server，但出现以下错误：
stl34>>npm install live-server -g
npm WARN deprecated chokidar@2.1.8: Chokidar 2 will break on node v14+. Upgrade to chokidar 3 with 15x less dependencies.
npm WARN deprecated opn@6.0.0: The package has been renamed to `open`
npm WARN deprecated fsevents@1.2.13: fsevents 1 will break on node v14+ and could be using insecure binaries. Upgrade to fsevents 2.
npm WARN deprecated resolve-url@0.2.1: https://github.com/lydell/resolve-url#deprecated
npm WARN deprecated urix@0.1.0: Please see https://github.com/lydell/urix#deprecated
npm WARN checkPermissions Missing write access to /usr/local/lib/node_modules
npm ERR! code EACCES
npm ERR! syscall access
npm ERR! path /usr/local/lib/node_modules
npm ERR! errno -13
npm ERR! Error: EACCES: permission denied, access '/usr/local/lib/node_modules'
npm ERR! [Error: EACCES: permission denied, access '/usr/local/lib/node_modules'] {
npm ERR! errno: -13,
npm ERR! code: 'EACCES',
npm ERR! syscall: 'access',
npm ERR! path: '/usr/local/lib/node_modules'
npm ERR! }
npm ERR!
npm ERR! The operation was rejected by your operating system.
npm ERR! It is likely you do not have the permissions to access this file as the current user
npm ERR!
npm ERR! If you believe this might be a permissions issue, please double-check the
npm ERR! permissions of the file and its containing directories, or try running
npm ERR! the command again as root/Administrator.
npm ERR! A complete log of this run can be found in:
npm ERR! /Users/stl34/.npm/_logs/2020-08-10T22_30_11_210Z-debug.log
问题似乎是/usr/local/lib/node_modules需要更改文件权限。我尝试在恢复模式下重新启动并在终端中输入：
csrutil disable
禁用 SIP。然后我重新启动并在终端中输入以下内容：
sudo mount -uw /
chmod 775 usr/local/lib/node_modules
但是系统仍然不允许我修改文件权限。我可以做些什么来修改它们？
另一个用户在这里问了同样的问题： NPM Live-server not installed on zsh but received no answers。