This tutorial is about creating a highly available HTTP load balancer using HAProxy. The setup can be slightly complicated but you will appreciate the result – you will get a load-balanced + highly available web service in your network. Basic linux skill is assumed.
Scenario:
Imagine we have 2 physical machines. In each machine, I have 2 [...]
This is as simple as installing kmod-xen in the pv guest.
I could boot from rescue disk, then do a yum install.
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If your guest is running
xm block-attach server_name /dev/cdrom r
to add cdrom in the config file
disk = [ "phy:/dev/vg/hermes,xvda,w", "phy:/dev/cdrom,xvdb:/dev/cdrom,r" ]
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Update xen and just add
soundhw=”all”
to the xen config file and its all done. Simple and sweet.
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Booting into run level 1 from grub is useful in times of troubleshooting. I am using centos and my problem is when I am using xen, everything is automated by the pygrub bootloader.
I tried to google for a solution for a long time and couldn’t find anything. Someone suggested changing the inittab. Yes, I know [...]
