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my network has its dhcp and dns provided by dnsmasq. If you dont know about this tool, you should check it out - it provides unified dhcp, caching dns and bootp/tftp services to a lan. The nice thing is that a host will report its own hostname in dhcp, then dnsmasq will insert that into the dns so you can have self referential dns/dhcp. The problem appears to be that warden may be giving up too easily on restart... I am seeing this in the warden.log: Can not find valid hostname. Please check your DNS settings WARDEN not running. looking to stop mapr-core processes not started by warden Can not find valid hostname. Please check your DNS settings WARDEN not running. looking to stop mapr-core processes not started by warden Can not find valid hostname. Please check your DNS settings WARDEN not running. looking to stop mapr-core processes not started by warden Can not find valid hostname. Please check your DNS settings this appears to happen after a bunch of normal log stuff. Even though this pops up, the standard system services should be starting after the networking bootup has completed. Doesnt it? Ubuntu 12.04 |
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Currently we keep hostname in /opt/mapr/hostname file which is filled up based on the results of following command: /bin/hostname --fqdn If above command is not functioning properly on your box you will get an error you described. |
