I'm trying to get a scenario working where I SSH into a intermediary server
(via JSCH) and then SSH from there to a final destination. At the same time I
want this processing to occur in the background. Everything works fine until I
added the nohup step. I added the -v option and compared the two runs with and
without nohup and it appears that the agent forwarding breaks down in this case:
My test command:
nohup ssh -v -f -A -p 22 -o StrictHostKeyChecking=no -o ConnectTimeout=30 -o
UserKnownHostsFile=/dev/null -o ChallengeResponseAuthentication=no -o
PasswordAuthentication=no -o TCPKeepAlive=yes -o CheckHostIP=no -o
ServerAliveInterval=60 10.17.129.3 "bash -c \"touch foo; sleep 10s; touch
foo2\""
Without nohup specified I see the following: The pkalg key is being
transferred as expected.
[junit] line: debug1: Next authentication method: publickey
[junit] line: debug1: Offering public key:
[junit] line: debug1: Server accepts key: pkalg ssh-dss blen 433
[junit] line: debug1: Authentication succeeded (publickey).
With nohup I see the following instead:
debug1: Next authentication method: publickey
debug1: Trying private key: /home/benleis/.ssh/identity
debug1: Trying private key: /home/benleis/.ssh/id_rsa
debug1: Trying private key: /home/benleis/.ssh/id_dsa
debug1: No more authentication methods to try.
Trying this out with ssh from the command line rather than JSCH I see the keys
transfer as expected even when using nohup.
Does anyone know what might be going on?
Thanks
Ben
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