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I try to work with node js ,when i run the command >npm install express ,i'm logging in the terminal as an administrator in windows, it cannot install packages.

I have this error on terminal after running the previous command:

[..................] / rollbackFailedOptional: verb npm-session 
xxxxxxxxxxxxx
I need some help please,i have no experience in node js developping.

ps:I have a connection wifi behind a proxy

informations proxy:
hostname:23.11.201.32
user:ensias-tp
password:xxxxxxxx
port number:2342

What commands that i use to configure the proxy?

Jared Forth
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Simo
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  • Try out this https://stackoverflow.com/questions/46011546/npm-install-error-rollbackfailedoptional ! – Shivam Kubde Jul 23 '19 at 13:19
  • Possible duplicate of [Can't install any package with node npm](https://stackoverflow.com/questions/16280382/cant-install-any-package-with-node-npm) – koFTT Jul 23 '19 at 13:57
  • i try the solution but it doesn't work ,i try the command npm config set proxy ''http://ensias-tp:wpass1234@23.11.201.32:2342/" but it doesn't solve the problem – Simo Jul 23 '19 at 14:45

1 Answers1

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Open the .npmrc file

npm config edit

Check the following values:

proxy=http://user:passsword@host.domain.com:port/
https-proxy=http://user:passsword@host.domain.com:port/
strict-ssl=false
registry=http://registry.npmjs.org/
Rajat Khichee
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