Frequently Asked Questions

DNS is slow, or SSH hangs for a minute or so.
Last Updated 8 days ago

This happens because the system is waiting for an IPV6 timeout. To fix it, add the following line to the end of /etc/resolv.conf:

options single-request

This file gets ovewritten each time your dhcp lease renews. If adding this line fixes your issue, you can make the change persistent by adding the following line to /etc/sysconfig/network:

RES_OPTIONS=single-request

If interested, more details are explained at this link.

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