Earlier today I changed the IPv6 address used for the LUV server.  I didn't 
keep the old address working because almost no-one uses IPv6 and IPv6 clients 
can generally fall back to IPv4 if necessary, so the time that the old address 
remains in DNS caches shouldn't be a problem.  Hetzner had decided to remove 
the address range they had assigned to that server and I had to apply for a 
new /64.

On Friday afternoon the hardware hosting the LUV VM crashed for unknown 
reasons.  A couple of hours later it booted again of it's own accord and there 
was nothing in the logs.  So that I can fix such things faster in future I have 
setup 2 monitoring systems with Jabber that monitor each other.  Now I just 
need to monitor the Jabber client on my phone (see my previous message).

Some time recently an update to Dovecot had caused it to stop working 
correctly.  I didn't notice as I don't have an IMAP account on the LUV server.  
To prevent that sort of thing happening again I have written a monitoring 
script for IMAP that will alert if there is no new mail for more than 10 
minutes in a test account.  I believe that some mail to the LUV president was 
delayed because of this.  But it won't happen again.

-- 
My Main Blog         http://etbe.coker.com.au/
My Documents Blog    http://doc.coker.com.au/
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