Angular cli installation yields ssh error

Question

Installing the angular cli with:

npm -g install angular/cli

Yields this error with node 8.6:

npm ERR! Error while executing:
npm ERR! /usr/bin/git ls-remote -h -t ssh://[email protected]/angular/cli.git
npm ERR! 
npm ERR! Permission denied (publickey).
npm ERR! fatal: Could not read from remote repository.
npm ERR! 
npm ERR! Please make sure you have the correct access rights
npm ERR! and the repository exists.
npm ERR! 
npm ERR! exited with error code: 128

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/user/.npm/_logs/2017-10-10T16_41_49_141Z-debug.log

Changing to node version 6.11.4 yeilds similar errors:

npm ERR! git clone --template=/Users/user/.npm/_git-remotes/_templates --mirror [email protected]:angular/cli.git /Users/user/.npm/_git-remotes/git-github-com-angular-cli-git-05516032: Cloning into bare repository '/Users/user/.npm/_git-remotes/git-github-com-angular-cli-git-05516032'...
npm ERR! git clone --template=/Users/user/.npm/_git-remotes/_templates --mirror [email protected]:angular/cli.git /Users/user/.npm/_git-remotes/git-github-com-angular-cli-git-05516032: Warning: Permanently added the RSA host key for IP address '64:ff9b::c01e:fd71' to the list of known hosts.
npm ERR! git clone --template=/Users/user/.npm/_git-remotes/_templates --mirror [email protected]:angular/cli.git /Users/user/.npm/_git-remotes/git-github-com-angular-cli-git-05516032: Permission denied (publickey).
npm ERR! git clone --template=/Users/user/.npm/_git-remotes/_templates --mirror [email protected]:angular/cli.git /Users/user/.npm/_git-remotes/git-github-com-angular-cli-git-05516032: fatal: Could not read from remote repository.
npm ERR! git clone --template=/Users/user/.npm/_git-remotes/_templates --mirror [email protected]:angular/cli.git /Users/user/.npm/_git-remotes/git-github-com-angular-cli-git-05516032: 
npm ERR! git clone --template=/Users/user/.npm/_git-remotes/_templates --mirror [email protected]:angular/cli.git /Users/user/.npm/_git-remotes/git-github-com-angular-cli-git-05516032: Please make sure you have the correct access rights
npm ERR! git clone --template=/Users/user/.npm/_git-remotes/_templates --mirror [email protected]:angular/cli.git /Users/user/.npm/_git-remotes/git-github-com-angular-cli-git-05516032: and the repository exists.
npm ERR! Darwin 16.7.0
npm ERR! argv "/Users/user/.nvm/versions/node/v6.11.4/bin/node" "/Users/user/.nvm/versions/node/v6.11.4/bin/npm" "install" "-g" "angular/cli"
npm ERR! node v6.11.4
npm ERR! npm  v3.10.10
npm ERR! code 128

npm ERR! Command failed: git clone --template=/Users/user/.npm/_git-remotes/_templates --mirror [email protected]:angular/cli.git /Users/user/.npm/_git-remotes/git-github-com-angular-cli-git-05516032
npm ERR! Cloning into bare repository '/Users/user/.npm/_git-remotes/git-github-com-angular-cli-git-05516032'...
npm ERR! Warning: Permanently added the RSA host key for IP address '64:ff9b::c01e:fd71' to the list of known hosts.
npm ERR! Permission denied (publickey).
npm ERR! fatal: Could not read from remote repository.
npm ERR! 
npm ERR! Please make sure you have the correct access rights
npm ERR! and the repository exists.
npm ERR! 
npm ERR! 
npm ERR! If you need help, you may report this error at:
npm ERR!     <https://github.com/npm/npm/issues>

npm ERR! Please include the following file with any support request:
npm ERR!     /Users/user/npm-debug.log

This is happening with both my Ubuntu remote server and my local MacBook, both of which have valid SSH keys added to my Github account.

Answer 1

It should be @angular/cli since angular/cli is a non existing npm-package:

npm -g install @angular/cli