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Titel
The sudo plugin very slow after DNS change. Getting message:The master did not respond as expected. -
Beschreibung
pmplugin6.1.0.0:The master did not respond as expected. Please check that the master version on host:localhost supports the sudo plugin (it must be V5.6 or higher)
Sudo does work but is extremely slow.
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Ursache
DNS issue. -
Lösung
RESOLUTION:Ensure DNS is correctly configured and that name resolution is able to occur to and from the client machine and the domain controllers in a timely manner.Ensure the /etc/resolv.conf is correct on the client machine.To test name resolution for a particular on the host, you can use the nslookup command and specify the ip address of each DNS server:nslookup -q=SRV < _ldap._tcp.dc._msdcs.yourdomain.com > < nameserver IP>If QAS is installed on the system, another useful command to find the DNS server issue: time /opt/quest/bin/vastool -d5 info servers -d yourdomain.com -b -s \*WORKAROUND:Add the /etc/resolv.conf option timeout:1 setting