From time to time i see error: FATAL: Module ip_tables not found.

postcd

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Hello,

on my OpenVZ VPS i am getting similar iptables error from time to time (maybe like once per month(not regularly, randomly) while cronjob initiating iptables runs like every 5 minutes)

the command used is iptables -L INPUT --line-numbers

FATAL: Module ip_tables not found.
iptables v1.4.7: can't initialize iptables table `filter': Bad file descriptor
Perhaps iptables or your kernel needs to be upgraded.
So it is not permanent error, but rather error that appears from time to time, how can i discover the cause? This error appears on the OpenVZ VPS (guest) and I have access to the OpenVZ host server too. Host and guest both have redhat based Linux CentOS 6.x 64bit. Thank you
 

LJSHost

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I would suggest you update your kernel and IPTables packages.
I have also heard about openVZ virtualization requiring modules to be enabled at host node not individual container level.
 
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