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syslog-ng is not working (/dev/tty12: permission denied) [message #34850]

Fri, 06 February 2009 14:36

ro-wa
Messages: 3
Registered: February 2009

Junior Member

hi
i can't bring syslog-ng to work.
when i start the syslog-ng daemon within the container, /var/log/messages gets filled with the same error message

Feb 6 15:25:32 test1 syslog-ng[5957]: Error opening file for writing; filename='/dev/tty12', error='Permission denied (13)'

root is unable to write to this device node

$ ls -la /dev/tty12
crw------- 1 root tty 4, 12 Jun 17 2008 /dev/tty12

$ echo "test" > /dev/tty12
-bash: /dev/tty12: Permission denied

any clue?
thanks! r.

i run gentoo host and containers on kernel 2.6.24-ovz006 and vzctl version 3.0.23

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Re: syslog-ng is not working (/dev/tty12: permission denied) [message #34852 is a reply to message #34850]

Fri, 06 February 2009 15:01

maratrus
Messages: 1495
Registered: August 2007
Location: Moscow

Senior Member

Hello,

could please strace syslog-ng?
http://wiki.openvz.org/Stracing_a_program

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Re: syslog-ng is not working (/dev/tty12: permission denied) [message #34854 is a reply to message #34852]

Fri, 06 February 2009 16:15

ro-wa
Messages: 3
Registered: February 2009

Junior Member

i cut the strace output where syslog-ng runs amok and repeatedly tries to access /dev/tty12 without success.

Attachment: syslog-ng.strace
(Size: 32.00KB, Downloaded 247 times)

[Updated on: Fri, 06 February 2009 16:16]

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Re: syslog-ng is not working (/dev/tty12: permission denied) [message #34857 is a reply to message #34854]

Fri, 06 February 2009 19:05

maratrus
Messages: 1495
Registered: August 2007
Location: Moscow

Senior Member

Hello,

try the following:

(from inside the VE)
# rm /dev/tty12
(from HN)
# vzctl set $VEID --devnodes tty12:rw --save

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Re: syslog-ng is not working (/dev/tty12: permission denied) (SOLVED) [message #34859 is a reply to message #34857]

Fri, 06 February 2009 22:00

ro-wa
Messages: 3
Registered: February 2009

Junior Member

thank you!
that helped Smile

best regards r.

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