metadata
title: Troubleshooting SSH
intro: >-
When using SSH to connect and authenticate to {% data variables.product.github
%}, you may need to troubleshoot unexpected issues that may arise.
redirect_from:
- /articles/troubleshooting-ssh
- /github/authenticating-to-github/troubleshooting-ssh
versions:
fpt: '*'
ghes: '*'
ghec: '*'
topics:
- SSH
children:
- /using-ssh-over-the-https-port
- /recovering-your-ssh-key-passphrase
- /deleted-or-missing-ssh-keys
- /error-host-key-verification-failed
- /error-permission-denied-publickey
- /error-bad-file-number
- /error-key-already-in-use
- /error-permission-to-userrepo-denied-to-other-user
- /error-permission-to-userrepo-denied-to-userother-repo
- /error-agent-admitted-failure-to-sign
- /error-ssh-add-illegal-option----apple-use-keychain
- /error-ssl-certificate-problem-verify-that-the-ca-cert-is-ok
- /error-unknown-key-type
- /error-were-doing-an-ssh-key-audit