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| author | Michael Vorburger ⛑️ <mike@vorburger.ch> | 2019-09-17 00:35:26 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-09-17 00:35:26 +0200 |
| commit | ae35e707b6aa5c41c804cbcd350fd7145c4f56ab (patch) | |
| tree | 91c66c082f419212c649eb0173d85fb56ab63d01 | |
| parent | Mention forwarding risk and Ubuntu multiverse repository, fix #116. (diff) | |
| download | YubiKey-Guide-ae35e707b6aa5c41c804cbcd350fd7145c4f56ab.tar.gz | |
add 'sshd -eddd' Troubleshooting tip
| -rw-r--r-- | README.md | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -2042,7 +2042,10 @@ scd apdu 00 44 00 00 - If you receive the error, `Permission denied (publickey)`, increase ssh verbosity with the `-v` flag and ensure the public key from the card is being offered: `Offering public key: RSA SHA256:abcdefg... cardno:00060123456`. If it is, ensure you are connecting as the right user on the target system, rather than as the user on the local system. Otherwise, be sure `IdentitiesOnly` is not [enabled](https://github.com/FiloSottile/whosthere#how-do-i-stop-it) for this host. -- If SSH authentication stil fails - add up to 3 `-v` flags to increase verbosity. +- If SSH authentication still fails - add up to 3 `-v` flags to the `ssh` client to increase verbosity. + +- If it still fails, it may be useful to stop the background `sshd` daemon process service on the server (e.g. using `sudo systemctl stop sshd`) and instead start it in the foreground with extensive debugging output, using `sshd -eddd`. Note that (quote `man sshd`) _The server also will not fork and will only process one connection._, and therefore has to be re-started after every `ssh` test. + # Links |