Cannot push to github, ssh: Could not resolve hostname

Question

I can't get pass this, have remade the repository multiple times, made ssh keys over

-------------- demo_app <username>$ git remote add origin [email protected]:<username>/demo_app.git fatal: remote origin already exists. $ git push -u origin master --- ssh: Could not resolve hostname git: nodename nor servname provided, or not known --- fatal: Could not read from remote repository. --- Please make sure you have the correct access rights --- and the repository exists. ---------- --------- Checked ssh keys --- $ ssh -T [email protected] Hi <username>! You've successfully authenticated, but GitHub does not provide shell access. ---

Still receiving the same message.

aymericbeaumet · Accepted Answer · 2013-07-18 09:35:48Z

Instead of adding a new remote, try to change the existing one with the following command:

git remote set-url origin [email protected]:<username>/demo_app.git

Edit: so, here are the commands to make it work without losing your code.

rm -rf .git
git init .
git remote add origin [email protected]:<username>/demo_app.git
git commit --allow-empty -m 'First commit'
git push origin master

tried that before, turns out i didn't do $ git add . before, I tried to create what i did before to get the error message but I got a diff error "error: src refspec master does not match any. error: failed to push some refs to '[email protected]:<username>/demo_app0.git'

Ralph Cowling · Accepted Answer · 2015-06-24 10:10:27Z

If you got here because you're on a proxy

Try:

ssh -T -p 443 [email protected]

If that works then you can add settings to your ~/.ssh/config to always connect through 443:

Host github.com Hostname ssh.github.com Port 443

More info here: https://help.github.com/articles/using-ssh-over-the-https-port/

Community · Accepted Answer · 2017-05-23 12:24:19Z

To answer the new error: "error: src refspec master does not match any. error: failed to push some refs to '[email protected]:/demo_app0.git'

I found this post really helpful: src refspec master does not match any when pushing commits in git

Essentially, try add your files and committing again.

git commit -m 'initial commit' git push origin master

This worked for me!

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