Error: getaddrinfo ENOTFOUND localhost

[utnas]

1. OS? -> Mac OSX os: darwin x64
2. Versions. Please run ng --version. If there's nothing outputted, please run
   in a Terminal: node --version and paste the result here:
   => angular-cli: 1.0.0-beta.14
   => node: 6.6.0
3. Repro steps:
   do on your code? etc.
   => Given: Install angular-cli: 1.0.0-beta.14
   When: Run "ng new my-project"
   And: I run "ng s"
   Then Get Error "getaddrinfo ENOTFOUND localhost"
4. The log given by the failure:
   => getaddrinfo ENOTFOUND localhost
   Error: getaddrinfo ENOTFOUND localhost
   at errnoException (dns.js:28:10)
   at GetAddrInfoReqWrap.onlookup as oncomplete
5. ..

---

[filipesilva]

These two links seem to indicate that there is some problem with your localhost address:

http://stackoverflow.com/questions/35757799/webpack-dev-server-cant-find-localhost
webpack/webpack-dev-server#420

You can also see this section of the readme for a way to serve on a different address via the --host option:
https://github.com/angular/angular-cli#generating-and-serving-an-angular2-project-via-a-development-server

[nebiljabari]

All started with the same error (+ Firefox redirection from http://localhost to www.localhost.com) and 4h later..."still stuck"!

Long story short, it appears Ive accidently "corrupted" the /etc/hosts file when, for the anecdote, yesterday I set a new alias (who didn't worked) for my RaspberryPi IP >> without sudo <<

When Ive cat /etc/hosts the cat output was one messy line.
So I : cd /etc, sudo rm hosts, sudo nano hosts then paste and save the standard lines

[engineer-nadeem]

I am getting below error while trying to run my angular application.....what to do to fix it?

getaddrinfo ENOTFOUND localhost
Error: getaddrinfo ENOTFOUND localhost
at errnoException (dns.js:28:10)
at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:76:26)

[AmineAssali]

@nebiljabari thanks that's work for me

[ryanbeymer]

I can confirm adding the standard lines back for the definition of localhost on the hosts file did it form me.

##
##
# Host Database
#
# localhost is used to configure the loopback interface
# when the system is booting. Do not change this entry.
##
127.0.0.1       localhost
255.255.255.255 broadcasthost
::1 localhost
fe80::1%lo0     localhost

[SteveStanbury]

It worked perfectly, Thanks :)

[abhinavprakash]

Worked like a charm! Had changed the hosts file while setting up a hadoop cluster and never reverted to the original. Thank you 👍

[ManokarG]

Worked guys awesome community!!! 👍 💯

[HuangHongRui]

Thanks :)

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