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rhel4.2 vps sshd daemon problem [message #1025]

Thu, 26 January 2006 15:50

shishi
Messages: 3
Registered: January 2006

Junior Member

Hello,
I have problem with sshd on RedHat Enterprise 4 update 2 VPS. Every time when I try run /usr/sbin/sshd it just prints

"Jan 26 14:34:14 rhel4 sshd[32341]: fatal: daemon() failed: No such device"

into a log file and dies. If started in debug mode (/usr/sbin/sshd -d) in foregroung it runs fine and I can connect from outside.

I would very appreciate any help.

Shi

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Re: rhel4.2 vps sshd daemon problem [message #1026 is a reply to message #1025]

Thu, 26 January 2006 15:59

dim
Messages: 344
Registered: August 2005

Senior Member

run strace on it like:
strace -fF -o log /usr/sbin/sshd
and find out ENODEV in log
This will help to determine what's wrong.

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Re: rhel4.2 vps sshd daemon problem [message #1027 is a reply to message #1026]

Thu, 26 January 2006 16:22

shishi
Messages: 3
Registered: January 2006

Junior Member

Thanks for reply.

There is no ENODEV in the strace log (attached)

Shi

Attachment: sshd.log
(Size: 16.51KB, Downloaded 502 times)

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Re: rhel4.2 vps sshd daemon problem [message #1028 is a reply to message #1027]

Thu, 26 January 2006 16:38

dim
Messages: 344
Registered: August 2005

Senior Member

ls -al /dev/null
seems that it is regular file instead of character device

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Re: rhel4.2 vps sshd daemon problem [message #1029 is a reply to message #1028]

Thu, 26 January 2006 17:00

shishi
Messages: 3
Registered: January 2006

Junior Member

That was it! I have no idea how it happened I have just installed the machine... (there was wrong urandom as well..)

Thank you very much for your help.

Shi

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Re: rhel4.2 vps sshd daemon problem [message #1742 is a reply to message #1029]

Tue, 21 February 2006 21:30

snowdeal
Messages: 22
Registered: February 2006

Junior Member

hmmmm. i just encountered this exact same problem with centos 4. ssh was working fine and then wasn't and i discovered that /dev/null had magically transmogrified into a plain plain text file.

any ideas on how this happens?

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Re: rhel4.2 vps sshd daemon problem [message #1748 is a reply to message #1742]

Wed, 22 February 2006 08:30

dev
Messages: 1693
Registered: September 2005
Location: Moscow

Senior Member

I suppose this happens when udev package is updated by yum.
AFAIK, it removes the whole /dev content...

Probably, Kir should suggest how to avoid this.

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Re: rhel4.2 vps sshd daemon problem [message #1752 is a reply to message #1748]

Wed, 22 February 2006 11:44

aistis
Messages: 77
Registered: September 2005
Location: Kaunas, Lithuania

Member

by modifying /vz/template/centos/4/i386/config/yum.conf and setting "exclude" line to something like this:

exclude=mkinit* up2date* firstboot rhn-applet lockdev udev linuxwacom minicom system-config-display system-config-soundcard system-config-network-tui gphoto2 linuxwacom gphoto2 kudzu desktop-printing hal-cups-utils kdegraphics system-config-packages system-config-network

Aistis

P.S. i put so much stuff in this line in order to successfully install X windows stuff inside VPS.

Aistis Zenkevicius

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