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Editorial Team
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Asked: 2026-05-22T02:13:39+00:00

I can push just fine to my GitHub repo from my VPS, but once

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I can push just fine to my GitHub repo from my VPS, but once I enter a screen, I get permission denied:

littke@[server]:~/src/[repo]$ git push
Pushing to git@github.com:littke/[repo].git
Permission denied (publickey).
fatal: The remote end hung up unexpectedly

Even though I’m able to auth:

littke@[server}:~/src/[repo]$ ssh git@github.com -i ~/.ssh/littke 
Enter passphrase for key '/home/littke/.ssh/littke':
PTY allocation request failed on channel 0
Hi littke! You've successfully authenticated, but GitHub does not provide shell access.

Again, this only happens when inside a GNU Screen. I can push fine outside of it. I’ve googled but unable to find anything.

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1 Answer

  1. Editorial Team

    You’re using a different identity file with ssh (the -i option) than git uses. You must tell git which identity to use, through your config. See github’s Troubleshooting SSH issues, section “SSH config”:

    Create or open the file at
    ~/.ssh/config Add the following lines:

    Host github.com
  User git
  Hostname github.com
  PreferredAuthentications publickey
  IdentityFile [local path]
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