:: Re: [DNG] OpenSSH: delay on beowulf
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Author: hal
Date:  
To: Dr. Nikolaus Klepp, dng
Subject: Re: [DNG] OpenSSH: delay on beowulf


On 2/9/19 3:59 PM, Dr. Nikolaus Klepp wrote:
<snip>

> 1) starting OpenSSH takes ~ 10 seconds with or without network cable attached. I have not seen this on ascii.


Seems like ssh delays are always DNS related but this could be something
else. Maybe try starting the daemon by hand with all the debug info and
see if it turns anything up.


$ sudo /usr/sbin/sshd -ddd -D -p 39203
debug2: load_server_config: filename /etc/ssh/sshd_config
debug2: load_server_config: done config len = 259
debug2: parse_server_config: config /etc/ssh/sshd_config len 259
debug3: /etc/ssh/sshd_config:61 setting ChallengeResponseAuthentication no
debug3: /etc/ssh/sshd_config:84 setting UsePAM yes
debug3: /etc/ssh/sshd_config:89 setting X11Forwarding yes
debug3: /etc/ssh/sshd_config:93 setting PrintMotd no
debug3: /etc/ssh/sshd_config:113 setting AcceptEnv LANG LC_*
debug3: /etc/ssh/sshd_config:116 setting Subsystem sftp
/usr/lib/openssh/sftp-server
debug1: sshd version OpenSSH_7.4, OpenSSL 1.0.2q 20 Nov 2018
debug1: private host key #0: redacted
debug1: private host key #1: redacted
debug1: private host key #2: redacted
debug1: rexec_argv[0]='/usr/sbin/sshd'
debug1: rexec_argv[1]='-ddd'
debug1: rexec_argv[2]='-D'
debug1: rexec_argv[3]='-p'
debug1: rexec_argv[4]='39203'
debug3: oom_adjust_setup
debug1: Set /proc/self/oom_score_adj from 0 to -1000
debug2: fd 3 setting O_NONBLOCK
debug1: Bind to port 39203 on 0.0.0.0.
Server listening on 0.0.0.0 port 39203.
socket: Address family not supported by protocol