Posts Tagged ‘hetzner’

Proxying Neighbor Discovery messages: ndproxy

Friday, June 10th, 2011

On our systems at Hetzner we only have a single /64 IPv6 range, which we use to assign addresses to virtual systems, running in Xen and KVM. Because we don’t directly bridge the virtual machines to the external interface, we have written a script that synchronizes Neighbor Discovery entries to the external interface.

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Failover without Hetzner addresses: the HostHenker

Friday, March 18th, 2011

HostHenker is a small shell script, which based on whether a daemon is running, adds an entry to /etc/hosts for this host or a fallback host.

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Hetzner Failover IP OCF script part III: When HTTP attacks

Wednesday, March 16th, 2011

Our OCF script for failovers at Hetzner worked flawlessly the last month. Last week, however, a problem arose we did not anticipate.

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Hetzner Failover IP OCF script part deux: local DNS resolving

Wednesday, February 23rd, 2011

A second OCF script, which can be used to maintain local DNS entries when using a Hetzner failover setup.

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Hetzner Failover IP OCF script

Friday, February 11th, 2011

An OCF script that allows you to switch the Failover IP address via the web interface at Hetzner.

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