Flushing vCenter DNS cache

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Flusing vCenter DNS cache

1. ssh to vcenter
2. Run this command to restart resolver

   systemctl restart systemd-resolved.service

   <pre>

3. Test with nslookup, if issue is still there continue
4. Run following command and check if 127.0.0.1 is listed as preferred nameserver

   <pre>

   cat /etc/resolv.conf

5. Run following command and check name of service (most probably dnsmasq)

   netstat -alnp | grep 53

6. Restart dnsmasq using:

   systemctl restart dnsmasq

7. Again test with nslookup and verify that old cached entry is not present

Refer:

• http://www.kanecharles.com/?p=81

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