Hello,
We are facing an issue using Jenkins 2.138.3 and connecting to certain
machines (issue occurs with machines in redhat 7.2, not in 6.4 but not
sure it's related).
When we start the agent, we get this error, issue being that ssh gives "stdin:
is not a tty"
Full Jenkins log:
SSHLauncher{host='XXX.XXX.X.XXX', port=22,
credentialsId='XXXXXXXXXXXXXXXXXXX', jvmOptions='', javaPath='',
prefixStartSlaveCmd='', suffixStartSlaveCmd='', launchTimeoutSeconds=210,
maxNumRetries=10, retryWaitTime=15,
sshHostKeyVerificationStrategy=hudson.plugins.sshslaves.verifiers.KnownHostsFileKeyVerificationStrategy,
tcpNoDelay=true, trackCredentials=true}
[12/21/18 16:41:19] [SSH] Opening SSH connection to XXX.XXX.X.XXX:22.
[12/21/18 16:41:19] [SSH] SSH host key matches key in Known Hosts file.
Connection will be allowed.
[12/21/18 16:41:19] [SSH] Authentication successful.
SSH connection reports a garbage before a command execution.
Check your .bashrc, .profile, and so on to make sure it is quiet.
The received junk text is as follows:
stdin: is not a tty
null
[12/21/18 16:41:20] Launch failed - cleaning up connection
[12/21/18 16:41:20] [SSH] Connection closed.
How can this be fixed, searching for similar issues, I see fixes related to
sudoers but we are not sudoing here.
I also found issue could be triggered by Banner , but there is no banner
either.
Note that if we try non interactive mode, we have this which explains the
issue faced by Jenkins I guess:
ssh -T login@host:
stty: standard input: Inappropriate ioctl for device
stdin: is not a tty
stdin: is not a tty
stdin: is not a tty
I tried to disable in /etc/profile stty if in non interactive mode, it
fixed :
stty: standard input: Inappropriate ioctl for device
So I now have:
ssh -T login@host:
stdin: is not a tty
stdin: is not a tty
stdin: is not a tty
But I am stuck here.
Thanks in advance for your help.
Regards
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