$ sudo npm install -g glyphhanger/usr/local/bin/glyphhanger -> /usr/local/lib/node_modules/glyphhanger/cmd.js> puppeteer@1.20.0 install /usr/local/lib/node_modules/glyphhanger/node_modules/puppeteer> node install.jsERROR: Failed to download Chromium r686378! Set "PUPPETEER_SKIP_CHROMIUM_DOWNLOAD" env variable to skip download.Error: EACCES: permission denied, mkdir '/usr/local/lib/node_modules/glyphhanger/node_modules/puppeteer/.local-chromium'  -- ASYNC --    at BrowserFetcher.<anonymous> (/usr/local/lib/node_modules/glyphhanger/node_modules/puppeteer/lib/helper.js:111:15)    at Object.<anonymous> (/usr/local/lib/node_modules/glyphhanger/node_modules/puppeteer/install.js:64:16)    at Module._compile (internal/modules/cjs/loader.js:1128:30)    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1167:10)    at Module.load (internal/modules/cjs/loader.js:983:32)    at Function.Module._load (internal/modules/cjs/loader.js:891:14)    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:71:12)    at internal/main/run_main_module.js:17:47 {  errno: -13,  code: 'EACCES',  syscall: 'mkdir',  path: '/usr/local/lib/node_modules/glyphhanger/node_modules/puppeteer/.local-chromium'}npm ERR! code ELIFECYCLEnpm ERR! errno 1npm ERR! puppeteer@1.20.0 install: `node install.js`npm ERR! Exit status 1npm ERR! npm ERR! Failed at the puppeteer@1.20.0 install 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!     /Users/rainerscheichelbauer/.npm/_logs/2019-12-11T10_08_49_396Z-debug.log