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Unable to resolve host mass emails


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I got 60 emails from Cron Daemon saying:

sudo: unable to resolve host vps11.heliohost.us: Temporary failure in name resolution

Different subjects:

Cron <admin@vps11> sudo /usr/local/hestia/bin/v-update-sys-queue restart

Cron <admin@vps11> sudo /usr/local/hestia/bin/v-update-sys-queue backup

Cron <admin@vps11> sudo /usr/local/hestia/bin/v-update-sys-rrd



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My bet is they're related to the outage we had around 0100 UTC. That was a DOS attack or similar network congestion from what I can tell (stuff got really slow and/or unresponsive but the servers stayed up). All of our stuff saw it: http://heliohost.grd.net.pl/monitor/

As long as you're not still getting them, I wouldn't worry about it.

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