Tag Archives: xen

Xen VPS can’t initialize iptables table ‘filter’

If you using HyperVM and get this error message after upgrading your dom0’s Xen kernel:

It means that the library for the kernel is not copied yet to the VM. To fix this simply copy the new kernel library from /lib/modules/<new kernel> to VM’s /lib/modules directory then restart the VM.

Xen VPS modprobe: QM_MODULES: Function not implemented

I got this problem on one of Debian VPS when tried to run iptables command

To fix this you’ll need to run these commands:
Continue reading Xen VPS modprobe: QM_MODULES: Function not implemented

Xen Debian VPS Problem With nash-hotplug Using 100% CPU Resource

Recently I setup a Debian 4.0 VPS using xen image from jailtime.org, once the VM running I noticed that the load goes 1.0 all the time which make the VM very slow. From top command you’ll see the nash-hotplug process is the cause.

First you can kill it by execute the ‘kill -9 <process id>’ command (without the quotes), where <process id> is the process id of nash-hotplug. Then to automate killing the nash process every time you reboot the VPS run these commands: Continue reading Xen Debian VPS Problem With nash-hotplug Using 100% CPU Resource

Xen VPS “4gb seg fix up” Problem

It’s a known issues on Xen based Virtual Private Server (VPS) that often it shows “4gb seg fix up” error messages. After a few search I found this command to fix it.

Run the commands below on DomU

First try disabling tls by renaming it to tls.disabled:

If this doesn’t work then try this command:

after that you’ll need to restart the VPS