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Operating Systems Linux Red Hat Remote Linux server not accessible from same gateway after somedays Post 302798711 by sunnysthakur on Thursday 25th of April 2013 04:46:08 AM
Old 04-25-2013
Below is the error i got on the server which is not accessible. But it seems that this is not related to this issue.

Apr 25 03:41:56 qa.xxxxxxx.com autossh[3183]: ssh exited with error status 255; restarting ssh
Apr 25 03:51:56 qa.xxxxxxx.com autossh[3183]: starting ssh (count 2248)
Apr 25 03:51:56 qa.xxxxxxx.com autossh[3183]: ssh child pid is 9658
Apr 25 03:51:56 qa.xxxxxxx autossh[3183]: ssh exited with error status 255; restarting ssh
Apr 25 04:01:56 qa.xxxxxxx autossh[3183]: starting ssh (count 2249)
Apr 25 04:01:56 qa.xxxxxxx autossh[3183]: ssh child pid is 11252
Apr 25 04:01:56 qa.xxxxxxx autossh[3183]: ssh exited with error status 255; restarting ssh
Apr 25 04:11:56 qa.xxxxxxx autossh[3183]: starting ssh (count 2250)
Apr 25 04:11:56 qa.xxxxxxx autossh[3183]: ssh child pid is 12086
Apr 25 04:11:56 qa.xxxxxxx autossh[3183]: ssh exited with error status 255; restarting ssh
Apr 25 04:21:56 qa.xxxxxxx autossh[3183]: starting ssh (count 2251)
Apr 25 04:21:56 qa.xxxxxxx autossh[3183]: ssh child pid is 13088
Apr 25 04:21:56 qa.xxxxxxx autossh[3183]: ssh exited with error status 255; restarting ssh
Apr 25 04:31:56 qa.xxxxxxx autossh[3183]: starting ssh (count 2252)
Apr 25 04:31:56 qa.xxxxxxx autossh[3183]: ssh child pid is 13815
Apr 25 04:31:56 qa.xxxxxxx autossh[3183]: ssh exited with error status 255; restarting ssh
Apr 25 04:41:56 qa.xxxxxxx autossh[3183]: starting ssh (count 2253)
Apr 25 04:41:56 qa.xxxxxxx autossh[3183]: ssh child pid is 14497
Apr 25 04:41:56 qa.xxxxxxx autossh[3183]: ssh exited with error status 255; restarting ssh

Also traceroute to my gateways is working fine.

Please let know how should i figure this out.

Thanks in advance.
 

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SSH-KEYSIGN(8)						    BSD System Manager's Manual 					    SSH-KEYSIGN(8)

NAME
ssh-keysign -- ssh helper program for host-based authentication SYNOPSIS
ssh-keysign DESCRIPTION
ssh-keysign is used by ssh(1) to access the local host keys and generate the digital signature required during host-based authentication with SSH protocol version 2. ssh-keysign is disabled by default and can only be enabled in the global client configuration file /etc/ssh/ssh_config by setting EnableSSHKeysign to ``yes''. ssh-keysign is not intended to be invoked by the user, but from ssh(1). See ssh(1) and sshd(8) for more information about host-based authen- tication. FILES
/etc/ssh/ssh_config Controls whether ssh-keysign is enabled. /etc/ssh/ssh_host_dsa_key /etc/ssh/ssh_host_ecdsa_key /etc/ssh/ssh_host_rsa_key These files contain the private parts of the host keys used to generate the digital signature. They should be owned by root, read- able only by root, and not accessible to others. Since they are readable only by root, ssh-keysign must be set-uid root if host- based authentication is used. /etc/ssh/ssh_host_dsa_key-cert.pub /etc/ssh/ssh_host_ecdsa_key-cert.pub /etc/ssh/ssh_host_rsa_key-cert.pub If these files exist they are assumed to contain public certificate information corresponding with the private keys above. SEE ALSO
ssh(1), ssh-keygen(1), ssh_config(5), sshd(8) HISTORY
ssh-keysign first appeared in OpenBSD 3.2. AUTHORS
Markus Friedl <markus@openbsd.org> BSD
August 31, 2010 BSD
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