当我跑步时：
source <(curl -sL https://cdn.learnenough.com/heroku_install)
在cloud9 IDE上安装Heroku我收到此错误：
p GET https://registry.npmjs.org/n
npm http GET https://registry.npmjs.org/n
npm http GET https://registry.npmjs.org/n
npm ERR! Error: UNABLE_TO_GET_ISSUER_CERT_LOCALLY
npm ERR! at SecurePair.<anonymous> (tls.js:1430:32)
npm ERR! at SecurePair.emit (events.js:92:17)
npm ERR! at SecurePair.maybeInitFinished (tls.js:1029:10)
npm ERR! at CleartextStream.read [as _read] (tls.js:521:13)
npm ERR! at CleartextStream.Readable.read (_stream_readable.js:341:10)
npm ERR! at EncryptedStream.write [as _write] (tls.js:418:25)
npm ERR! at doWrite (_stream_writable.js:226:10)
npm ERR! at writeOrBuffer (_stream_writable.js:216:5)
npm ERR! at EncryptedStream.Writable.write (_stream_writable.js:183:11)
npm ERR! at write (_stream_readable.js:602:24)
npm ERR! If you need help, you may report this log at:
npm ERR! <http://github.com/isaacs/npm/issues>
npm ERR! or email it to:
npm ERR! <npm-@googlegroups.com>
npm ERR! System Linux 4.9.85-38.58.amzn1.x86_64
npm ERR! command "node" "/usr/bin/npm" "install" "n" "-g"
npm ERR! cwd /home/ec2-user/environment
npm ERR! node -v v0.10.48
npm ERR! npm -v 1.3.6
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR! /home/ec2-user/environment/npm-debug.log
npm ERR! not ok code 0
sudo: n: command not found
bash: /usr/local/bin/npm: No such file or directory
function
我尝试安装Heroku以部署使用AWS Cloud9 IDE完成的Ruby on Rails应用程序后出现此错误。 我没有找到合适的解决办法，请帮助！