On Sat, Apr 14, 2007 at 11:52:22AM +0200, Thorsten Büker wrote:
> Hi Herbert,
>
>>>>> Btw, in the meantime I noticed that "netstat -pantu" neither outputs
>>>>> any listening daemons nor any connections -- independent of the version
>>>>> of used util-vserver. With the old 2.6.17.14 kernel, this command
>>>>> worked fine. Did anyone struggle about the same behaviour?
>>>> inside a guest or where?
>>> Inside the guest, yes.
>>
>> could you try with vs2.2.0 without grsec?
> Unfortunately (well, indeed not unfortunately ;-)) the concerned
> machines run in productive state, so I'm not eager rebooting them using
> another kernel. Is there any other way to produce a helpful hint on the
> netstat issue?
you can try to do strace -fF -o netstat.trace netstat -pantu
and check/upload the resulting netstat.trace file somewhere
maybe it gives some clue to the folks combining Linux-VServer
with grsec ...
> If not, I might build a kernel without grsec and test it in the late
> evening.
if it happens with vs2.2.0 (without any other patches) then
it is considered a Linux-VServer issue/bug and will be fixed
here on a test server with vs2.2.0, I get the following:
# netstat -pantu
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 10.0.0.1:10026 0.0.0.0:* LISTEN 32480/master
tcp 0 0 10.0.0.1:80 0.0.0.0:* LISTEN 32467/httpd
tcp 0 0 10.0.0.1:5432 0.0.0.0:* LISTEN 32146/postmaster
tcp 0 0 10.0.0.1:25 0.0.0.0:* LISTEN 32480/master
udp 0 0 10.0.0.1:34300 10.0.0.1:34300 ESTABLISHED 32146/postmaster
HTH,
Herbert
> kind regards,
> Thorsten
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Received on Sat Apr 14 17:50:59 2007