[K12OSN] yum update issue with ltspbr0

Sergio Chaves sergio.chaves at gmail.com
Mon May 20 01:01:09 UTC 2013

Well, may be the laziness in me worked to my advantage :-)
I am still to fix my second server and will try this approach!

Thanks for the tip William!

On Thu, May 16, 2013 at 12:52 PM, William Fragakis <william at fragakis.com>wrote:

> I don't know if this will shed any light for those who've been suffering
> similar woes.
> short version: on ltsp server restart, ltsp-dhcpd failed to start and
> ltspbr0 was dead. thin clients couldn't boot. update erased
> ifcfg-ltspbr0 but copying ifcfg-ltspbr0, bringing up ltspbr0 and
> starting ltsp-dhcpd solved everything.
> long version:
> We had a server restart this morning. Someone unfortunately punched the
> reset button on the ltsp server instead of the dead windows box.
> Server came back online but thin clients couldn't get ip address to
> begin booting. Panic developed as this was in the middle of a workday.
> service ltsp-dhcpd status showed dhcp was dead and restarting it failed
> with system log saying something about undeclared subnets, etc.
> ifconfig didn't show anything for ltspbr0
> Listed the files in /etc/sysconfig/network-scripts that started with
> ifcfg-l and got
> ifcfg-lo ifcfg-ltspbr0~ and ifcfg-ltspbr0.rpmnew
> But no ifcfg-ltspbr0
> Copied ifcfg-ltspbr0.rpmnew to ifcfg-ltspbr0 , did an ifup on
> ifcfg-ltspbr0 and then ltsp-dhcpd restarted without any problems. thin
> clients booted and my heart was no longer pounding.
> Moral of the story, an update incorrectly killed existing ltspbr0 config
> file.  Hope this helps. I didn't see this mentioned elsewhere so sorry
> if it duplicates anything.
> Not sure which update killed it or to whom I should submit bug report.
> Suggestions appreciated.
> thanks,
> William
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